diff options
Diffstat (limited to 'src/nvim/testdir/test_vimscript.vim')
| -rw-r--r-- | src/nvim/testdir/test_vimscript.vim | 5003 |
1 files changed, 4907 insertions, 96 deletions
diff --git a/src/nvim/testdir/test_vimscript.vim b/src/nvim/testdir/test_vimscript.vim index f20fd12ed3..8faa9135e5 100644 --- a/src/nvim/testdir/test_vimscript.vim +++ b/src/nvim/testdir/test_vimscript.vim @@ -3,14 +3,12 @@ source check.vim source shared.vim +source script_util.vim "------------------------------------------------------------------------------- " Test environment {{{1 "------------------------------------------------------------------------------- -com! XpathINIT let g:Xpath = '' -com! -nargs=1 -bar Xpath let g:Xpath = g:Xpath . <args> - " Append a message to the "messages" file func Xout(text) split messages @@ -20,67 +18,31 @@ endfunc com! -nargs=1 Xout call Xout(<args>) -" MakeScript() - Make a script file from a function. {{{2 -" -" Create a script that consists of the body of the function a:funcname. -" Replace any ":return" by a ":finish", any argument variable by a global -" variable, and every ":call" by a ":source" for the next following argument -" in the variable argument list. This function is useful if similar tests are -" to be made for a ":return" from a function call or a ":finish" in a script -" file. -func MakeScript(funcname, ...) - let script = tempname() - execute "redir! >" . script - execute "function" a:funcname - redir END - execute "edit" script - " Delete the "function" and the "endfunction" lines. Do not include the - " word "function" in the pattern since it might be translated if LANG is - " set. When MakeScript() is being debugged, this deletes also the debugging - " output of its line 3 and 4. - exec '1,/.*' . a:funcname . '(.*)/d' - /^\d*\s*endfunction\>/,$d - %s/^\d*//e - %s/return/finish/e - %s/\<a:\(\h\w*\)/g:\1/ge - normal gg0 - let cnt = 0 - while search('\<call\s*\%(\u\|s:\)\w*\s*(.*)', 'W') > 0 - let cnt = cnt + 1 - s/\<call\s*\%(\u\|s:\)\w*\s*(.*)/\='source ' . a:{cnt}/ - endwhile - g/^\s*$/d - write - bwipeout - return script -endfunc - -" ExecAsScript - Source a temporary script made from a function. {{{2 -" -" Make a temporary script file from the function a:funcname, ":source" it, and -" delete it afterwards. However, if an exception is thrown the file may remain, -" the caller should call DeleteTheScript() afterwards. -let s:script_name = '' -function! ExecAsScript(funcname) - " Make a script from the function passed as argument. - let s:script_name = MakeScript(a:funcname) - - " Source and delete the script. - exec "source" s:script_name - call delete(s:script_name) - let s:script_name = '' -endfunction - -function! DeleteTheScript() - if s:script_name - call delete(s:script_name) - let s:script_name = '' - endif +" Create a new instance of Vim and run the commands in 'test' and then 'verify' +" The commands in 'test' are expected to store the test results in the Xtest.out +" file. If the test passes successfully, then Xtest.out should be empty. +func RunInNewVim(test, verify) + let init =<< trim END + set cpo-=C " support line-continuation in sourced script + source script_util.vim + XpathINIT + XloopINIT + END + let cleanup =<< trim END + call writefile(v:errors, 'Xtest.out') + qall + END + call writefile(init, 'Xtest.vim') + call writefile(a:test, 'Xtest.vim', 'a') + call writefile(a:verify, 'Xverify.vim') + call writefile(cleanup, 'Xverify.vim', 'a') + call RunVim([], [], "-S Xtest.vim -S Xverify.vim") + call assert_equal([], readfile('Xtest.out')) + call delete('Xtest.out') + call delete('Xtest.vim') + call delete('Xverify.vim') endfunc -com! -nargs=1 -bar ExecAsScript call ExecAsScript(<f-args>) - - "------------------------------------------------------------------------------- " Test 1: :endwhile in function {{{1 " @@ -90,7 +52,7 @@ com! -nargs=1 -bar ExecAsScript call ExecAsScript(<f-args>) " tests will hang. "------------------------------------------------------------------------------- -function! T1_F() +func T1_F() Xpath 'a' let first = 1 while 1 @@ -104,9 +66,9 @@ function! T1_F() return endif endwhile -endfunction +endfunc -function! T1_G() +func T1_G() Xpath 'h' let first = 1 while 1 @@ -121,7 +83,7 @@ function! T1_G() endif if 1 " unmatched :if endwhile -endfunction +endfunc func Test_endwhile_function() XpathINIT @@ -175,7 +137,7 @@ endfunc " Test 3: :if, :elseif, :while, :continue, :break {{{1 "------------------------------------------------------------------------------- -function Test_if_while() +func Test_if_while() XpathINIT if 1 Xpath 'a' @@ -235,7 +197,7 @@ endfunc " Test 4: :return {{{1 "------------------------------------------------------------------------------- -function! T4_F() +func T4_F() if 1 Xpath 'a' let loops = 3 @@ -253,15 +215,15 @@ function! T4_F() else Xpath 'g' endif -endfunction +endfunc -function Test_return() +func Test_return() XpathINIT call T4_F() Xpath '4' call assert_equal('ab3e3b2c24', g:Xpath) -endfunction +endfunc "------------------------------------------------------------------------------- @@ -271,14 +233,14 @@ endfunction " test as a script file (:return replaced by :finish). "------------------------------------------------------------------------------- -function Test_finish() +func Test_finish() XpathINIT ExecAsScript T4_F Xpath '5' call DeleteTheScript() call assert_equal('ab3e3b2c25', g:Xpath) -endfunction +endfunc @@ -412,7 +374,7 @@ delfunction G31 delfunction G32 delfunction G33 -function Test_defining_functions() +func Test_defining_functions() call assert_equal('ade2ie3ibcg0h1g1h2g2h3fg0h1g1h2g2h3m', g:test6_result) call assert_equal('F1G1F2G21G22G23F3G31G32G33', g:test6_calls) endfunc @@ -476,7 +438,7 @@ endfunc XpathINIT -function! T8_F() +func T8_F() if 1 Xpath 'a' while 1 @@ -508,9 +470,9 @@ function! T8_F() return novar " returns (default return value 0) Xpath 'q' return 1 " not reached -endfunction +endfunc -function! T8_G() abort +func T8_G() abort if 1 Xpath 'r' while 1 @@ -524,9 +486,9 @@ function! T8_G() abort Xpath 'x' return -4 " not reached -endfunction +endfunc -function! T8_H() abort +func T8_H() abort while 1 Xpath 'A' if 1 @@ -540,7 +502,7 @@ function! T8_H() abort Xpath 'F' return -4 " not reached -endfunction +endfunc " Aborted functions (T8_G and T8_H) return -1. let g:test8_sum = (T8_F() + 1) - 4 * T8_G() - 8 * T8_H() @@ -567,7 +529,7 @@ endfunc XpathINIT -function! F() abort +func F() abort Xpath 'a' let result = G() " not aborted Xpath 'b' @@ -575,30 +537,30 @@ function! F() abort Xpath 'c' endif return 1 -endfunction +endfunc -function! G() " no abort attribute +func G() " no abort attribute Xpath 'd' if H() != -1 " aborted Xpath 'e' endif Xpath 'f' return 2 -endfunction +endfunc -function! H() abort +func H() abort Xpath 'g' call I() " aborted Xpath 'h' return 4 -endfunction +endfunc -function! I() abort +func I() abort Xpath 'i' asdf " error Xpath 'j' return 8 -endfunction +endfunc if F() != 1 Xpath 'k' @@ -626,7 +588,7 @@ endfunc XpathINIT -function! MSG(enr, emsg) +func MSG(enr, emsg) let english = v:lang == "C" || v:lang =~ '^[Ee]n' if a:enr == "" Xout "TODO: Add message number for:" a:emsg @@ -710,10 +672,10 @@ XpathINIT let calls = 0 -function! P(num) +func P(num) let g:calls = g:calls + a:num " side effect on call return 0 -endfunction +endfunc if 1 Xpath 'a' @@ -1092,7 +1054,4843 @@ func Test_unmatched_if_in_while() endfunc "------------------------------------------------------------------------------- +" Test 18: Interrupt (Ctrl-C pressed) {{{1 +" +" On an interrupt, the script processing is terminated immediately. +"------------------------------------------------------------------------------- + +func Test_interrupt_while_if() + let test =<< trim [CODE] + try + if 1 + Xpath 'a' + while 1 + Xpath 'b' + if 1 + Xpath 'c' + call interrupt() + call assert_report('should not get here') + break + finish + endif | call assert_report('should not get here') + call assert_report('should not get here') + endwhile | call assert_report('should not get here') + call assert_report('should not get here') + endif | call assert_report('should not get here') + call assert_report('should not get here') + catch /^Vim:Interrupt$/ + Xpath 'd' + endtry | Xpath 'e' + Xpath 'f' + [CODE] + let verify =<< trim [CODE] + call assert_equal('abcdef', g:Xpath) + [CODE] + call RunInNewVim(test, verify) +endfunc + +func Test_interrupt_try() + let test =<< trim [CODE] + try + try + Xpath 'a' + call interrupt() + call assert_report('should not get here') + endtry | call assert_report('should not get here') + call assert_report('should not get here') + catch /^Vim:Interrupt$/ + Xpath 'b' + endtry | Xpath 'c' + Xpath 'd' + [CODE] + let verify =<< trim [CODE] + call assert_equal('abcd', g:Xpath) + [CODE] + call RunInNewVim(test, verify) +endfunc + +func Test_interrupt_func_while_if() + let test =<< trim [CODE] + func F() + if 1 + Xpath 'a' + while 1 + Xpath 'b' + if 1 + Xpath 'c' + call interrupt() + call assert_report('should not get here') + break + return + endif | call assert_report('should not get here') + call assert_report('should not get here') + endwhile | call assert_report('should not get here') + call assert_report('should not get here') + endif | call assert_report('should not get here') + call assert_report('should not get here') + endfunc + + Xpath 'd' + try + call F() | call assert_report('should not get here') + catch /^Vim:Interrupt$/ + Xpath 'e' + endtry | Xpath 'f' + Xpath 'g' + [CODE] + let verify =<< trim [CODE] + call assert_equal('dabcefg', g:Xpath) + [CODE] + call RunInNewVim(test, verify) +endfunc + +func Test_interrupt_func_try() + let test =<< trim [CODE] + func G() + try + Xpath 'a' + call interrupt() + call assert_report('should not get here') + endtry | call assert_report('should not get here') + call assert_report('should not get here') + endfunc + + Xpath 'b' + try + call G() | call assert_report('should not get here') + catch /^Vim:Interrupt$/ + Xpath 'c' + endtry | Xpath 'd' + Xpath 'e' + [CODE] + let verify =<< trim [CODE] + call assert_equal('bacde', g:Xpath) + [CODE] + call RunInNewVim(test, verify) +endfunc + +"------------------------------------------------------------------------------- +" Test 19: Aborting on errors inside :try/:endtry {{{1 +" +" An error in a command dynamically enclosed in a :try/:endtry region +" aborts script processing immediately. It does not matter whether +" the failing command is outside or inside a function and whether a +" function has an "abort" attribute. +"------------------------------------------------------------------------------- + +func Test_try_error_abort_1() + let test =<< trim [CODE] + func F() abort + Xpath 'a' + asdf + call assert_report('should not get here') + endfunc + + try + Xpath 'b' + call F() + call assert_report('should not get here') + endtry | call assert_report('should not get here') + call assert_report('should not get here') + [CODE] + let verify =<< trim [CODE] + call assert_equal('ba', g:Xpath) + [CODE] + call RunInNewVim(test, verify) +endfunc + +func Test_try_error_abort_2() + let test =<< trim [CODE] + func G() + Xpath 'a' + asdf + call assert_report('should not get here') + endfunc + + try + Xpath 'b' + call G() + call assert_report('should not get here') + endtry | call assert_report('should not get here') + call assert_report('should not get here') + [CODE] + let verify =<< trim [CODE] + call assert_equal('ba', g:Xpath) + [CODE] + call RunInNewVim(test, verify) +endfunc + +func Test_try_error_abort_3() + let test =<< trim [CODE] + try + Xpath 'a' + asdf + call assert_report('should not get here') + endtry | call assert_report('should not get here') + call assert_report('should not get here') + [CODE] + let verify =<< trim [CODE] + call assert_equal('a', g:Xpath) + [CODE] + call RunInNewVim(test, verify) +endfunc + +func Test_try_error_abort_4() + let test =<< trim [CODE] + if 1 + try + Xpath 'a' + asdf + call assert_report('should not get here') + endtry | call assert_report('should not get here') + endif | call assert_report('should not get here') + call assert_report('should not get here') + [CODE] + let verify =<< trim [CODE] + call assert_equal('a', g:Xpath) + [CODE] + call RunInNewVim(test, verify) +endfunc + +func Test_try_error_abort_5() + let test =<< trim [CODE] + let p = 1 + while p + let p = 0 + try + Xpath 'a' + asdf + call assert_report('should not get here') + endtry | call assert_report('should not get here') + endwhile | call assert_report('should not get here') + call assert_report('should not get here') + [CODE] + let verify =<< trim [CODE] + call assert_equal('a', g:Xpath) + [CODE] + call RunInNewVim(test, verify) +endfunc + +func Test_try_error_abort_6() + let test =<< trim [CODE] + let p = 1 + Xpath 'a' + while p + Xpath 'b' + let p = 0 + try + Xpath 'c' + endwhile | call assert_report('should not get here') + call assert_report('should not get here') + [CODE] + let verify =<< trim [CODE] + call assert_equal('abc', g:Xpath) + [CODE] + call RunInNewVim(test, verify) +endfunc + +"------------------------------------------------------------------------------- +" Test 20: Aborting on errors after :try/:endtry {{{1 +" +" When an error occurs after the last active :try/:endtry region has +" been left, termination behavior is as if no :try/:endtry has been +" seen. +"------------------------------------------------------------------------------- + +func Test_error_after_try_1() + let test =<< trim [CODE] + let p = 1 + while p + let p = 0 + Xpath 'a' + try + Xpath 'b' + endtry + asdf + call assert_report('should not get here') + endwhile | call assert_report('should not get here') + Xpath 'c' + [CODE] + let verify =<< trim [CODE] + call assert_equal('abc', g:Xpath) + [CODE] + call RunInNewVim(test, verify) +endfunc + +func Test_error_after_try_2() + let test =<< trim [CODE] + while 1 + try + Xpath 'a' + break + call assert_report('should not get here') + endtry + endwhile + Xpath 'b' + asdf + Xpath 'c' + [CODE] + let verify =<< trim [CODE] + call assert_equal('abc', g:Xpath) + [CODE] + call RunInNewVim(test, verify) +endfunc + +func Test_error_after_try_3() + let test =<< trim [CODE] + while 1 + try + Xpath 'a' + break + call assert_report('should not get here') + finally + Xpath 'b' + endtry + endwhile + Xpath 'c' + asdf + Xpath 'd' + [CODE] + let verify =<< trim [CODE] + call assert_equal('abcd', g:Xpath) + [CODE] + call RunInNewVim(test, verify) +endfunc + +func Test_error_after_try_4() + let test =<< trim [CODE] + while 1 + try + Xpath 'a' + finally + Xpath 'b' + break + call assert_report('should not get here') + endtry + endwhile + Xpath 'c' + asdf + Xpath 'd' + [CODE] + let verify =<< trim [CODE] + call assert_equal('abcd', g:Xpath) + [CODE] + call RunInNewVim(test, verify) +endfunc + +func Test_error_after_try_5() + let test =<< trim [CODE] + let p = 1 + while p + let p = 0 + try + Xpath 'a' + continue + call assert_report('should not get here') + endtry + endwhile + Xpath 'b' + asdf + Xpath 'c' + [CODE] + let verify =<< trim [CODE] + call assert_equal('abc', g:Xpath) + [CODE] + call RunInNewVim(test, verify) +endfunc + +func Test_error_after_try_6() + let test =<< trim [CODE] + let p = 1 + while p + let p = 0 + try + Xpath 'a' + continue + call assert_report('should not get here') + finally + Xpath 'b' + endtry + endwhile + Xpath 'c' + asdf + Xpath 'd' + [CODE] + let verify =<< trim [CODE] + call assert_equal('abcd', g:Xpath) + [CODE] + call RunInNewVim(test, verify) +endfunc + +func Test_error_after_try_7() + let test =<< trim [CODE] + let p = 1 + while p + let p = 0 + try + Xpath 'a' + finally + Xpath 'b' + continue + call assert_report('should not get here') + endtry + endwhile + Xpath 'c' + asdf + Xpath 'd' + [CODE] + let verify =<< trim [CODE] + call assert_equal('abcd', g:Xpath) + [CODE] + call RunInNewVim(test, verify) +endfunc + +"------------------------------------------------------------------------------- +" Test 21: :finally for :try after :continue/:break/:return/:finish {{{1 +" +" If a :try conditional stays inactive due to a preceding :continue, +" :break, :return, or :finish, its :finally clause should not be +" executed. +"------------------------------------------------------------------------------- + +func Test_finally_after_loop_ctrl_statement() + let test =<< trim [CODE] + func F() + let loops = 2 + while loops > 0 + XloopNEXT + let loops = loops - 1 + try + if loops == 1 + Xloop 'a' + continue + call assert_report('should not get here') + elseif loops == 0 + Xloop 'b' + break + call assert_report('should not get here') + endif + + try " inactive + call assert_report('should not get here') + finally + call assert_report('should not get here') + endtry + finally + Xloop 'c' + endtry + call assert_report('should not get here') + endwhile + + try + Xpath 'd' + return + call assert_report('should not get here') + try " inactive + call assert_report('should not get here') + finally + call assert_report('should not get here') + endtry + finally + Xpath 'e' + endtry + call assert_report('should not get here') + endfunc + + try + Xpath 'f' + call F() + Xpath 'g' + finish + call assert_report('should not get here') + try " inactive + call assert_report('should not get here') + finally + call assert_report('should not get here') + endtry + finally + Xpath 'h' + endtry + call assert_report('should not get here') + [CODE] + let verify =<< trim [CODE] + call assert_equal('fa2c2b3c3degh', g:Xpath) + [CODE] + call RunInNewVim(test, verify) +endfunc + +"------------------------------------------------------------------------------- +" Test 22: :finally for a :try after an error/interrupt/:throw {{{1 +" +" If a :try conditional stays inactive due to a preceding error or +" interrupt or :throw, its :finally clause should not be executed. +"------------------------------------------------------------------------------- + +func Test_finally_after_error_in_func() + let test =<< trim [CODE] + func Error() + try + Xpath 'b' + asdf " aborting error, triggering error exception + call assert_report('should not get here') + endtry + call assert_report('should not get here') + endfunc + + Xpath 'a' + call Error() + call assert_report('should not get here') + + if 1 " not active due to error + try " not active since :if inactive + call assert_report('should not get here') + finally + call assert_report('should not get here') + endtry + endif + + try " not active due to error + call assert_report('should not get here') + finally + call assert_report('should not get here') + endtry + [CODE] + let verify =<< trim [CODE] + call assert_equal('ab', g:Xpath) + [CODE] + call RunInNewVim(test, verify) +endfunc + +func Test_finally_after_interrupt() + let test =<< trim [CODE] + func Interrupt() + try + Xpath 'a' + call interrupt() " triggering interrupt exception + call assert_report('should not get here') + endtry + endfunc + + Xpath 'b' + try + call Interrupt() + catch /^Vim:Interrupt$/ + Xpath 'c' + finish + endtry + call assert_report('should not get here') + + if 1 " not active due to interrupt + try " not active since :if inactive + call assert_report('should not get here') + finally + call assert_report('should not get here') + endtry + endif + + try " not active due to interrupt + call assert_report('should not get here') + finally + call assert_report('should not get here') + endtry + [CODE] + let verify =<< trim [CODE] + call assert_equal('bac', g:Xpath) + [CODE] + call RunInNewVim(test, verify) +endfunc + +func Test_finally_after_throw() + let test =<< trim [CODE] + func Throw() + Xpath 'a' + throw 'xyz' + endfunc + + Xpath 'b' + call Throw() + call assert_report('should not get here') + + if 1 " not active due to :throw + try " not active since :if inactive + call assert_report('should not get here') + finally + call assert_report('should not get here') + endtry + endif + + try " not active due to :throw + call assert_report('should not get here') + finally + call assert_report('should not get here') + endtry + [CODE] + let verify =<< trim [CODE] + call assert_equal('ba', g:Xpath) + [CODE] + call RunInNewVim(test, verify) +endfunc + +"------------------------------------------------------------------------------- +" Test 23: :catch clauses for a :try after a :throw {{{1 +" +" If a :try conditional stays inactive due to a preceding :throw, +" none of its :catch clauses should be executed. +"------------------------------------------------------------------------------- + +func Test_catch_after_throw() + let test =<< trim [CODE] + try + Xpath 'a' + throw "xyz" + call assert_report('should not get here') + + if 1 " not active due to :throw + try " not active since :if inactive + call assert_report('should not get here') + catch /xyz/ + call assert_report('should not get here') + endtry + endif + catch /xyz/ + Xpath 'b' + endtry + + Xpath 'c' + throw "abc" + call assert_report('should not get here') + + try " not active due to :throw + call assert_report('should not get here') + catch /abc/ + call assert_report('should not get here') + endtry + [CODE] + let verify =<< trim [CODE] + call assert_equal('abc', g:Xpath) + [CODE] + call RunInNewVim(test, verify) +endfunc + +"------------------------------------------------------------------------------- +" Test 24: :endtry for a :try after a :throw {{{1 +" +" If a :try conditional stays inactive due to a preceding :throw, +" its :endtry should not rethrow the exception to the next surrounding +" active :try conditional. +"------------------------------------------------------------------------------- + +func Test_endtry_after_throw() + let test =<< trim [CODE] + try " try 1 + try " try 2 + Xpath 'a' + throw "xyz" " makes try 2 inactive + call assert_report('should not get here') + + try " try 3 + call assert_report('should not get here') + endtry " no rethrow to try 1 + catch /xyz/ " should catch although try 2 inactive + Xpath 'b' + endtry + catch /xyz/ " try 1 active, but exception already caught + call assert_report('should not get here') + endtry + Xpath 'c' + [CODE] + let verify =<< trim [CODE] + call assert_equal('abc', g:Xpath) + [CODE] + call RunInNewVim(test, verify) +endfunc + +"------------------------------------------------------------------------------- +" Test 27: Executing :finally clauses after :return {{{1 +" +" For a :return command dynamically enclosed in a :try/:endtry region, +" :finally clauses are executed and the called function is ended. +"------------------------------------------------------------------------------- + +func T27_F() + try + Xpath 'a' + try + Xpath 'b' + return + call assert_report('should not get here') + finally + Xpath 'c' + endtry + Xpath 'd' + finally + Xpath 'e' + endtry + call assert_report('should not get here') +endfunc + +func T27_G() + try + Xpath 'f' + return + call assert_report('should not get here') + finally + Xpath 'g' + call T27_F() + Xpath 'h' + endtry + call assert_report('should not get here') +endfunc + +func T27_H() + try + Xpath 'i' + call T27_G() + Xpath 'j' + finally + Xpath 'k' + return + call assert_report('should not get here') + endtry + call assert_report('should not get here') +endfunction + +func Test_finally_after_return() + XpathINIT + try + Xpath 'l' + call T27_H() + Xpath 'm' + finally + Xpath 'n' + endtry + call assert_equal('lifgabcehjkmn', g:Xpath) +endfunc + +"------------------------------------------------------------------------------- +" Test 28: Executing :finally clauses after :finish {{{1 +" +" For a :finish command dynamically enclosed in a :try/:endtry region, +" :finally clauses are executed and the sourced file is finished. +" +" This test executes the bodies of the functions F, G, and H from the +" previous test as script files (:return replaced by :finish). +"------------------------------------------------------------------------------- + +func Test_finally_after_finish() + XpathINIT + + let scriptF = MakeScript("T27_F") + let scriptG = MakeScript("T27_G", scriptF) + let scriptH = MakeScript("T27_H", scriptG) + + try + Xpath 'A' + exec "source" scriptH + Xpath 'B' + finally + Xpath 'C' + endtry + Xpath 'D' + call assert_equal('AifgabcehjkBCD', g:Xpath) + call delete(scriptF) + call delete(scriptG) + call delete(scriptH) +endfunc + +"------------------------------------------------------------------------------- +" Test 29: Executing :finally clauses on errors {{{1 +" +" After an error in a command dynamically enclosed in a :try/:endtry +" region, :finally clauses are executed and the script processing is +" terminated. +"------------------------------------------------------------------------------- + +func Test_finally_after_error_1() + let test =<< trim [CODE] + func F() + while 1 + try + Xpath 'a' + while 1 + try + Xpath 'b' + asdf " error + call assert_report('should not get here') + finally + Xpath 'c' + endtry | call assert_report('should not get here') + call assert_report('should not get here') + break + endwhile + call assert_report('should not get here') + finally + Xpath 'd' + endtry | call assert_report('should not get here') + call assert_report('should not get here') + break + endwhile + call assert_report('should not get here') + endfunc + + while 1 + try + Xpath 'e' + while 1 + call F() + call assert_report('should not get here') + break + endwhile | call assert_report('should not get here') + call assert_report('should not get here') + finally + Xpath 'f' + endtry | call assert_report('should not get here') + endwhile | call assert_report('should not get here') + call assert_report('should not get here') + [CODE] + let verify =<< trim [CODE] + call assert_equal('eabcdf', g:Xpath) + [CODE] + call RunInNewVim(test, verify) +endfunc + +func Test_finally_after_error_2() + let test =<< trim [CODE] + func G() abort + if 1 + try + Xpath 'a' + asdf " error + call assert_report('should not get here') + finally + Xpath 'b' + endtry | Xpath 'c' + endif | Xpath 'd' + call assert_report('should not get here') + endfunc + + if 1 + try + Xpath 'e' + call G() + call assert_report('should not get here') + finally + Xpath 'f' + endtry | call assert_report('should not get here') + endif | call assert_report('should not get here') + call assert_report('should not get here') + [CODE] + let verify =<< trim [CODE] + call assert_equal('eabf', g:Xpath) + [CODE] + call RunInNewVim(test, verify) +endfunc + +"------------------------------------------------------------------------------- +" Test 30: Executing :finally clauses on interrupt {{{1 +" +" After an interrupt in a command dynamically enclosed in +" a :try/:endtry region, :finally clauses are executed and the +" script processing is terminated. +"------------------------------------------------------------------------------- + +func Test_finally_on_interrupt() + let test =<< trim [CODE] + func F() + try + Xloop 'a' + call interrupt() + call assert_report('should not get here') + finally + Xloop 'b' + endtry + call assert_report('should not get here') + endfunc + + try + try + Xpath 'c' + try + Xpath 'd' + call interrupt() + call assert_report('should not get here') + finally + Xpath 'e' + try + Xpath 'f' + try + Xpath 'g' + finally + Xpath 'h' + try + Xpath 'i' + call interrupt() + call assert_report('should not get here') + endtry + call assert_report('should not get here') + endtry + call assert_report('should not get here') + endtry + call assert_report('should not get here') + endtry + call assert_report('should not get here') + finally + Xpath 'j' + try + Xpath 'k' + call F() + call assert_report('should not get here') + finally + Xpath 'l' + try + Xpath 'm' + XloopNEXT + ExecAsScript F + call assert_report('should not get here') + finally + Xpath 'n' + endtry + call assert_report('should not get here') + endtry + call assert_report('should not get here') + endtry + call assert_report('should not get here') + catch /^Vim:Interrupt$/ + Xpath 'o' + endtry + [CODE] + let verify =<< trim [CODE] + call assert_equal('cdefghijka1b1lma2b2no', g:Xpath) + [CODE] + call RunInNewVim(test, verify) +endfunc + +"------------------------------------------------------------------------------- +" Test 31: Executing :finally clauses after :throw {{{1 +" +" After a :throw dynamically enclosed in a :try/:endtry region, +" :finally clauses are executed and the script processing is +" terminated. +"------------------------------------------------------------------------------- + +func Test_finally_after_throw_2() + let test =<< trim [CODE] + func F() + try + Xloop 'a' + throw "exception" + call assert_report('should not get here') + finally + Xloop 'b' + endtry + call assert_report('should not get here') + endfunc + + try + Xpath 'c' + try + Xpath 'd' + throw "exception" + call assert_report('should not get here') + finally + Xpath 'e' + try + Xpath 'f' + try + Xpath 'g' + finally + Xpath 'h' + try + Xpath 'i' + throw "exception" + call assert_report('should not get here') + endtry + call assert_report('should not get here') + endtry + call assert_report('should not get here') + endtry + call assert_report('should not get here') + endtry + call assert_report('should not get here') + finally + Xpath 'j' + try + Xpath 'k' + call F() + call assert_report('should not get here') + finally + Xpath 'l' + try + Xpath 'm' + XloopNEXT + ExecAsScript F + call assert_report('should not get here') + finally + Xpath 'n' + endtry + call assert_report('should not get here') + endtry + call assert_report('should not get here') + endtry + call assert_report('should not get here') + [CODE] + let verify =<< trim [CODE] + call assert_equal('cdefghijka1b1lma2b2n', g:Xpath) + [CODE] + call RunInNewVim(test, verify) +endfunc + +"------------------------------------------------------------------------------- +" Test 34: :finally reason discarded by :continue {{{1 +" +" When a :finally clause is executed due to a :continue, :break, +" :return, :finish, error, interrupt or :throw, the jump reason is +" discarded by a :continue in the finally clause. +"------------------------------------------------------------------------------- + +func Test_finally_after_continue() + let test =<< trim [CODE] + func C(jump) + XloopNEXT + let loop = 0 + while loop < 2 + let loop = loop + 1 + if loop == 1 + try + if a:jump == "continue" + continue + elseif a:jump == "break" + break + elseif a:jump == "return" || a:jump == "finish" + return + elseif a:jump == "error" + asdf + elseif a:jump == "interrupt" + call interrupt() + let dummy = 0 + elseif a:jump == "throw" + throw "abc" + endif + finally + continue " discards jump that caused the :finally + call assert_report('should not get here') + endtry + call assert_report('should not get here') + elseif loop == 2 + Xloop 'a' + endif + endwhile + endfunc + + call C("continue") + Xpath 'b' + call C("break") + Xpath 'c' + call C("return") + Xpath 'd' + let g:jump = "finish" + ExecAsScript C + unlet g:jump + Xpath 'e' + try + call C("error") + Xpath 'f' + finally + Xpath 'g' + try + call C("interrupt") + Xpath 'h' + finally + Xpath 'i' + call C("throw") + Xpath 'j' + endtry + endtry + Xpath 'k' + [CODE] + let verify =<< trim [CODE] + call assert_equal('a2ba3ca4da5ea6fga7hia8jk', g:Xpath) + [CODE] + call RunInNewVim(test, verify) +endfunc + +"------------------------------------------------------------------------------- +" Test 35: :finally reason discarded by :break {{{1 +" +" When a :finally clause is executed due to a :continue, :break, +" :return, :finish, error, interrupt or :throw, the jump reason is +" discarded by a :break in the finally clause. +"------------------------------------------------------------------------------- + +func Test_finally_discard_by_break() + let test =<< trim [CODE] + func B(jump) + XloopNEXT + let loop = 0 + while loop < 2 + let loop = loop + 1 + if loop == 1 + try + if a:jump == "continue" + continue + elseif a:jump == "break" + break + elseif a:jump == "return" || a:jump == "finish" + return + elseif a:jump == "error" + asdf + elseif a:jump == "interrupt" + call interrupt() + let dummy = 0 + elseif a:jump == "throw" + throw "abc" + endif + finally + break " discards jump that caused the :finally + call assert_report('should not get here') + endtry + elseif loop == 2 + call assert_report('should not get here') + endif + endwhile + Xloop 'a' + endfunc + + call B("continue") + Xpath 'b' + call B("break") + Xpath 'c' + call B("return") + Xpath 'd' + let g:jump = "finish" + ExecAsScript B + unlet g:jump + Xpath 'e' + try + call B("error") + Xpath 'f' + finally + Xpath 'g' + try + call B("interrupt") + Xpath 'h' + finally + Xpath 'i' + call B("throw") + Xpath 'j' + endtry + endtry + Xpath 'k' + [CODE] + let verify =<< trim [CODE] + call assert_equal('a2ba3ca4da5ea6fga7hia8jk', g:Xpath) + [CODE] + call RunInNewVim(test, verify) +endfunc + +"------------------------------------------------------------------------------- +" Test 36: :finally reason discarded by :return {{{1 +" +" When a :finally clause is executed due to a :continue, :break, +" :return, :finish, error, interrupt or :throw, the jump reason is +" discarded by a :return in the finally clause. +"------------------------------------------------------------------------------- + +func Test_finally_discard_by_return() + let test =<< trim [CODE] + func R(jump, retval) abort + let loop = 0 + while loop < 2 + let loop = loop + 1 + if loop == 1 + try + if a:jump == "continue" + continue + elseif a:jump == "break" + break + elseif a:jump == "return" + return + elseif a:jump == "error" + asdf + elseif a:jump == "interrupt" + call interrupt() + let dummy = 0 + elseif a:jump == "throw" + throw "abc" + endif + finally + return a:retval " discards jump that caused the :finally + call assert_report('should not get here') + endtry + elseif loop == 2 + call assert_report('should not get here') + endif + endwhile + call assert_report('should not get here') + endfunc + + let sum = -R("continue", -8) + Xpath 'a' + let sum = sum - R("break", -16) + Xpath 'b' + let sum = sum - R("return", -32) + Xpath 'c' + try + let sum = sum - R("error", -64) + Xpath 'd' + finally + Xpath 'e' + try + let sum = sum - R("interrupt", -128) + Xpath 'f' + finally + Xpath 'g' + let sum = sum - R("throw", -256) + Xpath 'h' + endtry + endtry + Xpath 'i' + + let expected = 8 + 16 + 32 + 64 + 128 + 256 + call assert_equal(sum, expected) + [CODE] + let verify =<< trim [CODE] + call assert_equal('abcdefghi', g:Xpath) + [CODE] + call RunInNewVim(test, verify) +endfunc + +"------------------------------------------------------------------------------- +" Test 37: :finally reason discarded by :finish {{{1 +" +" When a :finally clause is executed due to a :continue, :break, +" :return, :finish, error, interrupt or :throw, the jump reason is +" discarded by a :finish in the finally clause. +"------------------------------------------------------------------------------- + +func Test_finally_discard_by_finish() + let test =<< trim [CODE] + func F(jump) " not executed as function, transformed to a script + let loop = 0 + while loop < 2 + let loop = loop + 1 + if loop == 1 + try + if a:jump == "continue" + continue + elseif a:jump == "break" + break + elseif a:jump == "finish" + finish + elseif a:jump == "error" + asdf + elseif a:jump == "interrupt" + call interrupt() + let dummy = 0 + elseif a:jump == "throw" + throw "abc" + endif + finally + finish " discards jump that caused the :finally + call assert_report('should not get here') + endtry + elseif loop == 2 + call assert_report('should not get here') + endif + endwhile + call assert_report('should not get here') + endfunc + + let scriptF = MakeScript("F") + delfunction F + + let g:jump = "continue" + exec "source" scriptF + Xpath 'a' + let g:jump = "break" + exec "source" scriptF + Xpath 'b' + let g:jump = "finish" + exec "source" scriptF + Xpath 'c' + try + let g:jump = "error" + exec "source" scriptF + Xpath 'd' + finally + Xpath 'e' + try + let g:jump = "interrupt" + exec "source" scriptF + Xpath 'f' + finally + Xpath 'g' + try + let g:jump = "throw" + exec "source" scriptF + Xpath 'h' + finally + Xpath 'i' + endtry + endtry + endtry + unlet g:jump + call delete(scriptF) + [CODE] + let verify =<< trim [CODE] + call assert_equal('abcdefghi', g:Xpath) + [CODE] + call RunInNewVim(test, verify) +endfunc + +"------------------------------------------------------------------------------- +" Test 38: :finally reason discarded by an error {{{1 +" +" When a :finally clause is executed due to a :continue, :break, +" :return, :finish, error, interrupt or :throw, the jump reason is +" discarded by an error in the finally clause. +"------------------------------------------------------------------------------- + +func Test_finally_discard_by_error() + let test =<< trim [CODE] + func E(jump) + let loop = 0 + while loop < 2 + let loop = loop + 1 + if loop == 1 + try + if a:jump == "continue" + continue + elseif a:jump == "break" + break + elseif a:jump == "return" || a:jump == "finish" + return + elseif a:jump == "error" + asdf + elseif a:jump == "interrupt" + call interrupt() + let dummy = 0 + elseif a:jump == "throw" + throw "abc" + endif + finally + asdf " error; discards jump that caused the :finally + endtry + elseif loop == 2 + call assert_report('should not get here') + endif + endwhile + call assert_report('should not get here') + endfunc + + try + Xpath 'a' + call E("continue") + call assert_report('should not get here') + finally + try + Xpath 'b' + call E("break") + call assert_report('should not get here') + finally + try + Xpath 'c' + call E("return") + call assert_report('should not get here') + finally + try + Xpath 'd' + let g:jump = "finish" + ExecAsScript E + call assert_report('should not get here') + finally + unlet g:jump + try + Xpath 'e' + call E("error") + call assert_report('should not get here') + finally + try + Xpath 'f' + call E("interrupt") + call assert_report('should not get here') + finally + try + Xpath 'g' + call E("throw") + call assert_report('should not get here') + finally + Xpath 'h' + delfunction E + endtry + endtry + endtry + endtry + endtry + endtry + endtry + call assert_report('should not get here') + [CODE] + let verify =<< trim [CODE] + call assert_equal('abcdefgh', g:Xpath) + [CODE] + call RunInNewVim(test, verify) +endfunc + +"------------------------------------------------------------------------------- +" Test 39: :finally reason discarded by an interrupt {{{1 +" +" When a :finally clause is executed due to a :continue, :break, +" :return, :finish, error, interrupt or :throw, the jump reason is +" discarded by an interrupt in the finally clause. +"------------------------------------------------------------------------------- + +func Test_finally_discarded_by_interrupt() + let test =<< trim [CODE] + func I(jump) + let loop = 0 + while loop < 2 + let loop = loop + 1 + if loop == 1 + try + if a:jump == "continue" + continue + elseif a:jump == "break" + break + elseif a:jump == "return" || a:jump == "finish" + return + elseif a:jump == "error" + asdf + elseif a:jump == "interrupt" + call interrupt() + let dummy = 0 + elseif a:jump == "throw" + throw "abc" + endif + finally + call interrupt() + let dummy = 0 + endtry + elseif loop == 2 + call assert_report('should not get here') + endif + endwhile + call assert_report('should not get here') + endfunc + + try + try + Xpath 'a' + call I("continue") + call assert_report('should not get here') + finally + try + Xpath 'b' + call I("break") + call assert_report('should not get here') + finally + try + Xpath 'c' + call I("return") + call assert_report('should not get here') + finally + try + Xpath 'd' + let g:jump = "finish" + ExecAsScript I + call assert_report('should not get here') + finally + unlet g:jump + try + Xpath 'e' + call I("error") + call assert_report('should not get here') + finally + try + Xpath 'f' + call I("interrupt") + call assert_report('should not get here') + finally + try + Xpath 'g' + call I("throw") + call assert_report('should not get here') + finally + Xpath 'h' + delfunction I + endtry + endtry + endtry + endtry + endtry + endtry + endtry + call assert_report('should not get here') + catch /^Vim:Interrupt$/ + Xpath 'A' + endtry + [CODE] + let verify =<< trim [CODE] + call assert_equal('abcdefghA', g:Xpath) + [CODE] + call RunInNewVim(test, verify) +endfunc + +"------------------------------------------------------------------------------- +" Test 40: :finally reason discarded by :throw {{{1 +" +" When a :finally clause is executed due to a :continue, :break, +" :return, :finish, error, interrupt or :throw, the jump reason is +" discarded by a :throw in the finally clause. +"------------------------------------------------------------------------------- + +func Test_finally_discard_by_throw() + let test =<< trim [CODE] + func T(jump) + let loop = 0 + while loop < 2 + let loop = loop + 1 + if loop == 1 + try + if a:jump == "continue" + continue + elseif a:jump == "break" + break + elseif a:jump == "return" || a:jump == "finish" + return + elseif a:jump == "error" + asdf + elseif a:jump == "interrupt" + call interrupt() + let dummy = 0 + elseif a:jump == "throw" + throw "abc" + endif + finally + throw "xyz" " discards jump that caused the :finally + endtry + elseif loop == 2 + call assert_report('should not get here') + endif + endwhile + call assert_report('should not get here') + endfunc + + try + Xpath 'a' + call T("continue") + call assert_report('should not get here') + finally + try + Xpath 'b' + call T("break") + call assert_report('should not get here') + finally + try + Xpath 'c' + call T("return") + call assert_report('should not get here') + finally + try + Xpath 'd' + let g:jump = "finish" + ExecAsScript T + call assert_report('should not get here') + finally + unlet g:jump + try + Xpath 'e' + call T("error") + call assert_report('should not get here') + finally + try + Xpath 'f' + call T("interrupt") + call assert_report('should not get here') + finally + try + Xpath 'g' + call T("throw") + call assert_report('should not get here') + finally + Xpath 'h' + delfunction T + endtry + endtry + endtry + endtry + endtry + endtry + endtry + call assert_report('should not get here') + [CODE] + let verify =<< trim [CODE] + call assert_equal('abcdefgh', g:Xpath) + [CODE] + call RunInNewVim(test, verify) +endfunc + +"------------------------------------------------------------------------------- +" Test 49: Throwing exceptions across functions {{{1 +" +" When an exception is thrown but not caught inside a function, the +" caller is checked for a matching :catch clause. +"------------------------------------------------------------------------------- + +func T49_C() + try + Xpath 'a' + throw "arrgh" + call assert_report('should not get here') + catch /arrgh/ + Xpath 'b' + endtry + Xpath 'c' +endfunc + +func T49_T1() + XloopNEXT + try + Xloop 'd' + throw "arrgh" + call assert_report('should not get here') + finally + Xloop 'e' + endtry + Xloop 'f' +endfunc + +func T49_T2() + try + Xpath 'g' + call T49_T1() + call assert_report('should not get here') + finally + Xpath 'h' + endtry + call assert_report('should not get here') +endfunc + +func Test_throw_exception_across_funcs() + XpathINIT + XloopINIT + try + Xpath 'i' + call T49_C() " throw and catch + Xpath 'j' + catch /.*/ + call assert_report('should not get here') + endtry + + try + Xpath 'k' + call T49_T1() " throw, one level + call assert_report('should not get here') + catch /arrgh/ + Xpath 'l' + catch /.*/ + call assert_report('should not get here') + endtry + + try + Xpath 'm' + call T49_T2() " throw, two levels + call assert_report('should not get here') + catch /arrgh/ + Xpath 'n' + catch /.*/ + call assert_report('should not get here') + endtry + Xpath 'o' + + call assert_equal('iabcjkd2e2lmgd3e3hno', g:Xpath) +endfunc + +"------------------------------------------------------------------------------- +" Test 50: Throwing exceptions across script files {{{1 +" +" When an exception is thrown but not caught inside a script file, +" the sourcing script or function is checked for a matching :catch +" clause. +" +" This test executes the bodies of the functions C, T1, and T2 from +" the previous test as script files (:return replaced by :finish). "------------------------------------------------------------------------------- + +func T50_F() + try + Xpath 'A' + exec "source" g:scriptC + Xpath 'B' + catch /.*/ + call assert_report('should not get here') + endtry + + try + Xpath 'C' + exec "source" g:scriptT1 + call assert_report('should not get here') + catch /arrgh/ + Xpath 'D' + catch /.*/ + call assert_report('should not get here') + endtry +endfunc + +func Test_throw_across_script() + XpathINIT + XloopINIT + let g:scriptC = MakeScript("T49_C") + let g:scriptT1 = MakeScript("T49_T1") + let scriptT2 = MakeScript("T49_T2", g:scriptT1) + + try + Xpath 'E' + call T50_F() + Xpath 'F' + exec "source" scriptT2 + call assert_report('should not get here') + catch /arrgh/ + Xpath 'G' + catch /.*/ + call assert_report('should not get here') + endtry + Xpath 'H' + call assert_equal('EAabcBCd2e2DFgd3e3hGH', g:Xpath) + + call delete(g:scriptC) + call delete(g:scriptT1) + call delete(scriptT2) + unlet g:scriptC g:scriptT1 scriptT2 +endfunc + +"------------------------------------------------------------------------------- +" Test 52: Uncaught exceptions {{{1 +" +" When an exception is thrown but not caught, an error message is +" displayed when the script is terminated. In case of an interrupt +" or error exception, the normal interrupt or error message(s) are +" displayed. +"------------------------------------------------------------------------------- + +func Test_uncaught_exception_1() + CheckEnglish + + let test =<< trim [CODE] + Xpath 'a' + throw "arrgh" + call assert_report('should not get here')` + [CODE] + let verify =<< trim [CODE] + call assert_equal('E605: Exception not caught: arrgh', v:errmsg) + call assert_equal('a', g:Xpath) + [CODE] + call RunInNewVim(test, verify) +endfunc + +func Test_uncaught_exception_2() + CheckEnglish + + let test =<< trim [CODE] + try + Xpath 'a' + throw "oops" + call assert_report('should not get here')` + catch /arrgh/ + call assert_report('should not get here')` + endtry + call assert_report('should not get here')` + [CODE] + let verify =<< trim [CODE] + call assert_equal('E605: Exception not caught: oops', v:errmsg) + call assert_equal('a', g:Xpath) + [CODE] + call RunInNewVim(test, verify) +endfunc + +func Test_uncaught_exception_3() + CheckEnglish + + let test =<< trim [CODE] + func T() + Xpath 'c' + throw "brrr" + call assert_report('should not get here')` + endfunc + + try + Xpath 'a' + throw "arrgh" + call assert_report('should not get here')` + catch /.*/ + Xpath 'b' + call T() + call assert_report('should not get here')` + endtry + call assert_report('should not get here')` + [CODE] + let verify =<< trim [CODE] + call assert_equal('E605: Exception not caught: brrr', v:errmsg) + call assert_equal('abc', g:Xpath) + [CODE] + call RunInNewVim(test, verify) +endfunc + +func Test_uncaught_exception_4() + CheckEnglish + + let test =<< trim [CODE] + try + Xpath 'a' + throw "arrgh" + call assert_report('should not get here')` + finally + Xpath 'b' + throw "brrr" + call assert_report('should not get here')` + endtry + call assert_report('should not get here')` + [CODE] + let verify =<< trim [CODE] + call assert_equal('E605: Exception not caught: brrr', v:errmsg) + call assert_equal('ab', g:Xpath) + [CODE] + call RunInNewVim(test, verify) +endfunc + +func Test_uncaught_exception_5() + CheckEnglish + + " Need to catch and handle interrupt, otherwise the test will wait for the + " user to press <Enter> to continue + let test =<< trim [CODE] + try + try + Xpath 'a' + call interrupt() + call assert_report('should not get here') + endtry + call assert_report('should not get here') + catch /^Vim:Interrupt$/ + Xpath 'b' + endtry + [CODE] + let verify =<< trim [CODE] + call assert_equal('ab', g:Xpath) + [CODE] + call RunInNewVim(test, verify) +endfunc + +func Test_uncaught_exception_6() + CheckEnglish + + let test =<< trim [CODE] + try + Xpath 'a' + let x = novar " error E121; exception: E121 + catch /E15:/ " should not catch + call assert_report('should not get here') + endtry + call assert_report('should not get here') + [CODE] + let verify =<< trim [CODE] + call assert_equal('a', g:Xpath) + call assert_equal('E121: Undefined variable: novar', v:errmsg) + [CODE] + call RunInNewVim(test, verify) +endfunc + +func Test_uncaught_exception_7() + CheckEnglish + + let test =<< trim [CODE] + try + Xpath 'a' + " error E108/E488; exception: E488 + unlet novar # + catch /E108:/ " should not catch + call assert_report('should not get here') + endtry + call assert_report('should not get here') + [CODE] + let verify =<< trim [CODE] + call assert_equal('a', g:Xpath) + call assert_equal('E488: Trailing characters: #', v:errmsg) + [CODE] + call RunInNewVim(test, verify) +endfunc + +"------------------------------------------------------------------------------- +" Test 53: Nesting errors: :endif/:else/:elseif {{{1 +" +" For nesting errors of :if conditionals the correct error messages +" should be given. +"------------------------------------------------------------------------------- + +func Test_nested_if_else_errors() + CheckEnglish + + " :endif without :if + let code =<< trim END + endif + END + call writefile(code, 'Xtest') + call AssertException(['source Xtest'], 'Vim(endif):E580: :endif without :if') + + " :endif without :if + let code =<< trim END + while 1 + endif + endwhile + END + call writefile(code, 'Xtest') + call AssertException(['source Xtest'], 'Vim(endif):E580: :endif without :if') + + " :endif without :if + let code =<< trim END + try + finally + endif + endtry + END + call writefile(code, 'Xtest') + call AssertException(['source Xtest'], 'Vim(endif):E580: :endif without :if') + + " :endif without :if + let code =<< trim END + try + endif + endtry + END + call writefile(code, 'Xtest') + call AssertException(['source Xtest'], 'Vim(endif):E580: :endif without :if') + + " :endif without :if + let code =<< trim END + try + throw "a" + catch /a/ + endif + endtry + END + call writefile(code, 'Xtest') + call AssertException(['source Xtest'], 'Vim(endif):E580: :endif without :if') + + " :else without :if + let code =<< trim END + else + END + call writefile(code, 'Xtest') + call AssertException(['source Xtest'], 'Vim(else):E581: :else without :if') + + " :else without :if + let code =<< trim END + while 1 + else + endwhile + END + call writefile(code, 'Xtest') + call AssertException(['source Xtest'], 'Vim(else):E581: :else without :if') + + " :else without :if + let code =<< trim END + try + finally + else + endtry + END + call writefile(code, 'Xtest') + call AssertException(['source Xtest'], 'Vim(else):E581: :else without :if') + + " :else without :if + let code =<< trim END + try + else + endtry + END + call writefile(code, 'Xtest') + call AssertException(['source Xtest'], 'Vim(else):E581: :else without :if') + + " :else without :if + let code =<< trim END + try + throw "a" + catch /a/ + else + endtry + END + call writefile(code, 'Xtest') + call AssertException(['source Xtest'], 'Vim(else):E581: :else without :if') + + " :elseif without :if + let code =<< trim END + elseif + END + call writefile(code, 'Xtest') + call AssertException(['source Xtest'], 'Vim(elseif):E582: :elseif without :if') + + " :elseif without :if + let code =<< trim END + while 1 + elseif + endwhile + END + call writefile(code, 'Xtest') + call AssertException(['source Xtest'], 'Vim(elseif):E582: :elseif without :if') + + " :elseif without :if + let code =<< trim END + try + finally + elseif + endtry + END + call writefile(code, 'Xtest') + call AssertException(['source Xtest'], 'Vim(elseif):E582: :elseif without :if') + + " :elseif without :if + let code =<< trim END + try + elseif + endtry + END + call writefile(code, 'Xtest') + call AssertException(['source Xtest'], 'Vim(elseif):E582: :elseif without :if') + + " :elseif without :if + let code =<< trim END + try + throw "a" + catch /a/ + elseif + endtry + END + call writefile(code, 'Xtest') + call AssertException(['source Xtest'], 'Vim(elseif):E582: :elseif without :if') + + " multiple :else + let code =<< trim END + if 1 + else + else + endif + END + call writefile(code, 'Xtest') + call AssertException(['source Xtest'], 'Vim(else):E583: multiple :else') + + " :elseif after :else + let code =<< trim END + if 1 + else + elseif 1 + endif + END + call writefile(code, 'Xtest') + call AssertException(['source Xtest'], 'Vim(elseif):E584: :elseif after :else') + + call delete('Xtest') +endfunc + +"------------------------------------------------------------------------------- +" Test 54: Nesting errors: :while/:endwhile {{{1 +" +" For nesting errors of :while conditionals the correct error messages +" should be given. +" +" This test reuses the function MESSAGES() from the previous test. +" This functions checks the messages in g:msgfile. +"------------------------------------------------------------------------------- + +func Test_nested_while_error() + CheckEnglish + + " :endwhile without :while + let code =<< trim END + endwhile + END + call writefile(code, 'Xtest') + call AssertException(['source Xtest'], 'Vim(endwhile):E588: :endwhile without :while') + + " :endwhile without :while + let code =<< trim END + if 1 + endwhile + endif + END + call writefile(code, 'Xtest') + call AssertException(['source Xtest'], 'Vim(endwhile):E588: :endwhile without :while') + + " Missing :endif + let code =<< trim END + while 1 + if 1 + endwhile + END + call writefile(code, 'Xtest') + call AssertException(['source Xtest'], 'Vim(endwhile):E171: Missing :endif') + + " :endwhile without :while + let code =<< trim END + try + finally + endwhile + endtry + END + call writefile(code, 'Xtest') + call AssertException(['source Xtest'], 'Vim(endwhile):E588: :endwhile without :while') + + " Missing :endtry + let code =<< trim END + while 1 + try + finally + endwhile + END + call writefile(code, 'Xtest') + call AssertException(['source Xtest'], 'Vim(endwhile):E600: Missing :endtry') + + " Missing :endtry + let code =<< trim END + while 1 + if 1 + try + finally + endwhile + END + call writefile(code, 'Xtest') + call AssertException(['source Xtest'], 'Vim(endwhile):E600: Missing :endtry') + + " Missing :endif + let code =<< trim END + while 1 + try + finally + if 1 + endwhile + END + call writefile(code, 'Xtest') + call AssertException(['source Xtest'], 'Vim(endwhile):E171: Missing :endif') + + " :endwhile without :while + let code =<< trim END + try + endwhile + endtry + END + call writefile(code, 'Xtest') + call AssertException(['source Xtest'], 'Vim(endwhile):E588: :endwhile without :while') + + " :endwhile without :while + let code =<< trim END + while 1 + try + endwhile + endtry + endwhile + END + call writefile(code, 'Xtest') + call AssertException(['source Xtest'], 'Vim(endwhile):E588: :endwhile without :while') + + " :endwhile without :while + let code =<< trim END + try + throw "a" + catch /a/ + endwhile + endtry + END + call writefile(code, 'Xtest') + call AssertException(['source Xtest'], 'Vim(endwhile):E588: :endwhile without :while') + + " :endwhile without :while + let code =<< trim END + while 1 + try + throw "a" + catch /a/ + endwhile + endtry + endwhile + END + call writefile(code, 'Xtest') + call AssertException(['source Xtest'], 'Vim(endwhile):E588: :endwhile without :while') + + call delete('Xtest') +endfunc + +"------------------------------------------------------------------------------- +" Test 55: Nesting errors: :continue/:break {{{1 +" +" For nesting errors of :continue and :break commands the correct +" error messages should be given. +" +" This test reuses the function MESSAGES() from the previous test. +" This functions checks the messages in g:msgfile. +"------------------------------------------------------------------------------- + +func Test_nested_cont_break_error() + CheckEnglish + + " :continue without :while + let code =<< trim END + continue + END + call writefile(code, 'Xtest') + call AssertException(['source Xtest'], 'Vim(continue):E586: :continue without :while or :for') + + " :continue without :while + let code =<< trim END + if 1 + continue + endif + END + call writefile(code, 'Xtest') + call AssertException(['source Xtest'], 'Vim(continue):E586: :continue without :while or :for') + + " :continue without :while + let code =<< trim END + try + finally + continue + endtry + END + call writefile(code, 'Xtest') + call AssertException(['source Xtest'], 'Vim(continue):E586: :continue without :while or :for') + + " :continue without :while + let code =<< trim END + try + continue + endtry + END + call writefile(code, 'Xtest') + call AssertException(['source Xtest'], 'Vim(continue):E586: :continue without :while or :for') + + " :continue without :while + let code =<< trim END + try + throw "a" + catch /a/ + continue + endtry + END + call writefile(code, 'Xtest') + call AssertException(['source Xtest'], 'Vim(continue):E586: :continue without :while or :for') + + " :break without :while + let code =<< trim END + break + END + call writefile(code, 'Xtest') + call AssertException(['source Xtest'], 'Vim(break):E587: :break without :while or :for') + + " :break without :while + let code =<< trim END + if 1 + break + endif + END + call writefile(code, 'Xtest') + call AssertException(['source Xtest'], 'Vim(break):E587: :break without :while or :for') + + " :break without :while + let code =<< trim END + try + finally + break + endtry + END + call writefile(code, 'Xtest') + call AssertException(['source Xtest'], 'Vim(break):E587: :break without :while or :for') + + " :break without :while + let code =<< trim END + try + break + endtry + END + call writefile(code, 'Xtest') + call AssertException(['source Xtest'], 'Vim(break):E587: :break without :while or :for') + + " :break without :while + let code =<< trim END + try + throw "a" + catch /a/ + break + endtry + END + call writefile(code, 'Xtest') + call AssertException(['source Xtest'], 'Vim(break):E587: :break without :while or :for') + + call delete('Xtest') +endfunc + +"------------------------------------------------------------------------------- +" Test 56: Nesting errors: :endtry {{{1 +" +" For nesting errors of :try conditionals the correct error messages +" should be given. +" +" This test reuses the function MESSAGES() from the previous test. +" This functions checks the messages in g:msgfile. +"------------------------------------------------------------------------------- + +func Test_nested_endtry_error() + CheckEnglish + + " :endtry without :try + let code =<< trim END + endtry + END + call writefile(code, 'Xtest') + call AssertException(['source Xtest'], 'Vim(endtry):E602: :endtry without :try') + + " :endtry without :try + let code =<< trim END + if 1 + endtry + endif + END + call writefile(code, 'Xtest') + call AssertException(['source Xtest'], 'Vim(endtry):E602: :endtry without :try') + + " :endtry without :try + let code =<< trim END + while 1 + endtry + endwhile + END + call writefile(code, 'Xtest') + call AssertException(['source Xtest'], 'Vim(endtry):E602: :endtry without :try') + + " Missing :endif + let code =<< trim END + try + if 1 + endtry + END + call writefile(code, 'Xtest') + call AssertException(['source Xtest'], 'Vim(endtry):E171: Missing :endif') + + " Missing :endwhile + let code =<< trim END + try + while 1 + endtry + END + call writefile(code, 'Xtest') + call AssertException(['source Xtest'], 'Vim(endtry):E170: Missing :endwhile') + + " Missing :endif + let code =<< trim END + try + finally + if 1 + endtry + END + call writefile(code, 'Xtest') + call AssertException(['source Xtest'], 'Vim(endtry):E171: Missing :endif') + + " Missing :endwhile + let code =<< trim END + try + finally + while 1 + endtry + END + call writefile(code, 'Xtest') + call AssertException(['source Xtest'], 'Vim(endtry):E170: Missing :endwhile') + + " Missing :endif + let code =<< trim END + try + throw "a" + catch /a/ + if 1 + endtry + END + call writefile(code, 'Xtest') + call AssertException(['source Xtest'], 'Vim(endtry):E171: Missing :endif') + + " Missing :endwhile + let code =<< trim END + try + throw "a" + catch /a/ + while 1 + endtry + END + call writefile(code, 'Xtest') + call AssertException(['source Xtest'], 'Vim(endtry):E170: Missing :endwhile') + + call delete('Xtest') +endfunc + +"------------------------------------------------------------------------------- +" Test 57: v:exception and v:throwpoint for user exceptions {{{1 +" +" v:exception evaluates to the value of the exception that was caught +" most recently and is not finished. (A caught exception is finished +" when the next ":catch", ":finally", or ":endtry" is reached.) +" v:throwpoint evaluates to the script/function name and line number +" where that exception has been thrown. +"------------------------------------------------------------------------------- + +func Test_user_exception_info() + CheckEnglish + + XpathINIT + XloopINIT + + func FuncException() + let g:exception = v:exception + endfunc + + func FuncThrowpoint() + let g:throwpoint = v:throwpoint + endfunc + + let scriptException = MakeScript("FuncException") + let scriptThrowPoint = MakeScript("FuncThrowpoint") + + command! CmdException let g:exception = v:exception + command! CmdThrowpoint let g:throwpoint = v:throwpoint + + func T(arg, line) + if a:line == 2 + throw a:arg " in line 2 + elseif a:line == 4 + throw a:arg " in line 4 + elseif a:line == 6 + throw a:arg " in line 6 + elseif a:line == 8 + throw a:arg " in line 8 + endif + endfunc + + func G(arg, line) + call T(a:arg, a:line) + endfunc + + func F(arg, line) + call G(a:arg, a:line) + endfunc + + let scriptT = MakeScript("T") + let scriptG = MakeScript("G", scriptT) + let scriptF = MakeScript("F", scriptG) + + try + Xpath 'a' + call F("oops", 2) + catch /.*/ + Xpath 'b' + let exception = v:exception + let throwpoint = v:throwpoint + call assert_equal("oops", v:exception) + call assert_match('\<F\[1]\.\.G\[1]\.\.T\>', v:throwpoint) + call assert_match('\<2\>', v:throwpoint) + + exec "let exception = v:exception" + exec "let throwpoint = v:throwpoint" + call assert_equal("oops", v:exception) + call assert_match('\<F\[1]\.\.G\[1]\.\.T\>', v:throwpoint) + call assert_match('\<2\>', v:throwpoint) + + CmdException + CmdThrowpoint + call assert_equal("oops", v:exception) + call assert_match('\<F\[1]\.\.G\[1]\.\.T\>', v:throwpoint) + call assert_match('\<2\>', v:throwpoint) + + call FuncException() + call FuncThrowpoint() + call assert_equal("oops", v:exception) + call assert_match('\<F\[1]\.\.G\[1]\.\.T\>', v:throwpoint) + call assert_match('\<2\>', v:throwpoint) + + exec "source" scriptException + exec "source" scriptThrowPoint + call assert_equal("oops", v:exception) + call assert_match('\<F\[1]\.\.G\[1]\.\.T\>', v:throwpoint) + call assert_match('\<2\>', v:throwpoint) + + try + Xpath 'c' + call G("arrgh", 4) + catch /.*/ + Xpath 'd' + let exception = v:exception + let throwpoint = v:throwpoint + call assert_equal("arrgh", v:exception) + call assert_match('\<G\[1]\.\.T\>', v:throwpoint) + call assert_match('\<4\>', v:throwpoint) + + try + Xpath 'e' + let g:arg = "autsch" + let g:line = 6 + exec "source" scriptF + catch /.*/ + Xpath 'f' + let exception = v:exception + let throwpoint = v:throwpoint + call assert_equal("autsch", v:exception) + call assert_match(fnamemodify(scriptT, ':t'), v:throwpoint) + call assert_match('\<6\>', v:throwpoint) + finally + Xpath 'g' + let exception = v:exception + let throwpoint = v:throwpoint + call assert_equal("arrgh", v:exception) + call assert_match('\<G\[1]\.\.T\>', v:throwpoint) + call assert_match('\<4\>', v:throwpoint) + try + Xpath 'h' + let g:arg = "brrrr" + let g:line = 8 + exec "source" scriptG + catch /.*/ + Xpath 'i' + let exception = v:exception + let throwpoint = v:throwpoint + " Resolve scriptT for matching it against v:throwpoint. + call assert_equal("brrrr", v:exception) + call assert_match(fnamemodify(scriptT, ':t'), v:throwpoint) + call assert_match('\<8\>', v:throwpoint) + finally + Xpath 'j' + let exception = v:exception + let throwpoint = v:throwpoint + call assert_equal("arrgh", v:exception) + call assert_match('\<G\[1]\.\.T\>', v:throwpoint) + call assert_match('\<4\>', v:throwpoint) + endtry + Xpath 'k' + let exception = v:exception + let throwpoint = v:throwpoint + call assert_equal("arrgh", v:exception) + call assert_match('\<G\[1]\.\.T\>', v:throwpoint) + call assert_match('\<4\>', v:throwpoint) + endtry + Xpath 'l' + let exception = v:exception + let throwpoint = v:throwpoint + call assert_equal("arrgh", v:exception) + call assert_match('\<G\[1]\.\.T\>', v:throwpoint) + call assert_match('\<4\>', v:throwpoint) + finally + Xpath 'm' + let exception = v:exception + let throwpoint = v:throwpoint + call assert_equal("oops", v:exception) + call assert_match('\<F\[1]\.\.G\[1]\.\.T\>', v:throwpoint) + call assert_match('\<2\>', v:throwpoint) + endtry + Xpath 'n' + let exception = v:exception + let throwpoint = v:throwpoint + call assert_equal("oops", v:exception) + call assert_match('\<F\[1]\.\.G\[1]\.\.T\>', v:throwpoint) + call assert_match('\<2\>', v:throwpoint) + finally + Xpath 'o' + let exception = v:exception + let throwpoint = v:throwpoint + call assert_equal("", v:exception) + call assert_match('^$', v:throwpoint) + call assert_match('^$', v:throwpoint) + endtry + + call assert_equal('abcdefghijklmno', g:Xpath) + + unlet exception throwpoint + delfunction FuncException + delfunction FuncThrowpoint + call delete(scriptException) + call delete(scriptThrowPoint) + unlet scriptException scriptThrowPoint + delcommand CmdException + delcommand CmdThrowpoint + delfunction T + delfunction G + delfunction F + call delete(scriptT) + call delete(scriptG) + call delete(scriptF) + unlet scriptT scriptG scriptF +endfunc + +"------------------------------------------------------------------------------- +" +" Test 58: v:exception and v:throwpoint for error/interrupt exceptions {{{1 +" +" v:exception and v:throwpoint work also for error and interrupt +" exceptions. +"------------------------------------------------------------------------------- + +func Test_execption_info_for_error() + CheckEnglish + + let test =<< trim [CODE] + func T(line) + if a:line == 2 + delfunction T " error (function in use) in line 2 + elseif a:line == 4 + call interrupt() + endif + endfunc + + while 1 + try + Xpath 'a' + call T(2) + call assert_report('should not get here') + catch /.*/ + Xpath 'b' + if v:exception !~ 'Vim(delfunction):' + call assert_report('should not get here') + endif + if v:throwpoint !~ '\<T\>' + call assert_report('should not get here') + endif + if v:throwpoint !~ '\<2\>' + call assert_report('should not get here') + endif + finally + Xpath 'c' + if v:exception != "" + call assert_report('should not get here') + endif + if v:throwpoint != "" + call assert_report('should not get here') + endif + break + endtry + endwhile + + Xpath 'd' + if v:exception != "" + call assert_report('should not get here') + endif + if v:throwpoint != "" + call assert_report('should not get here') + endif + + while 1 + try + Xpath 'e' + call T(4) + call assert_report('should not get here') + catch /.*/ + Xpath 'f' + if v:exception != 'Vim:Interrupt' + call assert_report('should not get here') + endif + if v:throwpoint !~ 'function T' + call assert_report('should not get here') + endif + if v:throwpoint !~ '\<4\>' + call assert_report('should not get here') + endif + finally + Xpath 'g' + if v:exception != "" + call assert_report('should not get here') + endif + if v:throwpoint != "" + call assert_report('should not get here') + endif + break + endtry + endwhile + + Xpath 'h' + if v:exception != "" + call assert_report('should not get here') + endif + if v:throwpoint != "" + call assert_report('should not get here') + endif + [CODE] + let verify =<< trim [CODE] + call assert_equal('abcdefgh', g:Xpath) + [CODE] + call RunInNewVim(test, verify) +endfunc + +"------------------------------------------------------------------------------- +" +" Test 59: v:exception and v:throwpoint when discarding exceptions {{{1 +" +" When a :catch clause is left by a ":break" etc or an error or +" interrupt exception, v:exception and v:throwpoint are reset. They +" are not affected by an exception that is discarded before being +" caught. +"------------------------------------------------------------------------------- +func Test_exception_info_on_discard() + CheckEnglish + + let test =<< trim [CODE] + let sfile = expand("<sfile>") + + while 1 + try + throw "x1" + catch /.*/ + break + endtry + endwhile + call assert_equal('', v:exception) + call assert_equal('', v:throwpoint) + + while 1 + try + throw "x2" + catch /.*/ + break + finally + call assert_equal('', v:exception) + call assert_equal('', v:throwpoint) + endtry + break + endwhile + call assert_equal('', v:exception) + call assert_equal('', v:throwpoint) + + while 1 + try + let errcaught = 0 + try + try + throw "x3" + catch /.*/ + let lnum = expand("<sflnum>") + asdf + endtry + catch /.*/ + let errcaught = 1 + call assert_match('Vim:E492: Not an editor command:', v:exception) + call assert_match('line ' .. (lnum + 1), v:throwpoint) + endtry + finally + call assert_equal(1, errcaught) + break + endtry + endwhile + call assert_equal('', v:exception) + call assert_equal('', v:throwpoint) + + Xpath 'a' + + while 1 + try + let intcaught = 0 + try + try + throw "x4" + catch /.*/ + let lnum = expand("<sflnum>") + call interrupt() + endtry + catch /.*/ + let intcaught = 1 + call assert_match('Vim:Interrupt', v:exception) + call assert_match('line ' .. (lnum + 1), v:throwpoint) + endtry + finally + call assert_equal(1, intcaught) + break + endtry + endwhile + call assert_equal('', v:exception) + call assert_equal('', v:throwpoint) + + Xpath 'b' + + while 1 + try + let errcaught = 0 + try + try + if 1 + let lnum = expand("<sflnum>") + throw "x5" + " missing endif + catch /.*/ + call assert_report('should not get here') + endtry + catch /.*/ + let errcaught = 1 + call assert_match('Vim(catch):E171: Missing :endif:', v:exception) + call assert_match('line ' .. (lnum + 3), v:throwpoint) + endtry + finally + call assert_equal(1, errcaught) + break + endtry + endwhile + call assert_equal('', v:exception) + call assert_equal('', v:throwpoint) + + Xpath 'c' + + try + while 1 + try + throw "x6" + finally + break + endtry + break + endwhile + catch /.*/ + call assert_report('should not get here') + endtry + call assert_equal('', v:exception) + call assert_equal('', v:throwpoint) + + try + while 1 + try + throw "x7" + finally + break + endtry + break + endwhile + catch /.*/ + call assert_report('should not get here') + finally + call assert_equal('', v:exception) + call assert_equal('', v:throwpoint) + endtry + call assert_equal('', v:exception) + call assert_equal('', v:throwpoint) + + while 1 + try + let errcaught = 0 + try + try + throw "x8" + finally + let lnum = expand("<sflnum>") + asdf + endtry + catch /.*/ + let errcaught = 1 + call assert_match('Vim:E492: Not an editor command:', v:exception) + call assert_match('line ' .. (lnum + 1), v:throwpoint) + endtry + finally + call assert_equal(1, errcaught) + break + endtry + endwhile + call assert_equal('', v:exception) + call assert_equal('', v:throwpoint) + + Xpath 'd' + + while 1 + try + let intcaught = 0 + try + try + throw "x9" + finally + let lnum = expand("<sflnum>") + call interrupt() + endtry + catch /.*/ + let intcaught = 1 + call assert_match('Vim:Interrupt', v:exception) + call assert_match('line ' .. (lnum + 1), v:throwpoint) + endtry + finally + call assert_equal(1, intcaught) + break + endtry + endwhile + call assert_equal('', v:exception) + call assert_equal('', v:throwpoint) + + Xpath 'e' + + while 1 + try + let errcaught = 0 + try + try + if 1 + let lnum = expand("<sflnum>") + throw "x10" + " missing endif + finally + call assert_equal('', v:exception) + call assert_equal('', v:throwpoint) + endtry + catch /.*/ + let errcaught = 1 + call assert_match('Vim(finally):E171: Missing :endif:', v:exception) + call assert_match('line ' .. (lnum + 3), v:throwpoint) + endtry + finally + call assert_equal(1, errcaught) + break + endtry + endwhile + call assert_equal('', v:exception) + call assert_equal('', v:throwpoint) + + Xpath 'f' + + while 1 + try + let errcaught = 0 + try + try + if 1 + let lnum = expand("<sflnum>") + throw "x11" + " missing endif + endtry + catch /.*/ + let errcaught = 1 + call assert_match('Vim(endtry):E171: Missing :endif:', v:exception) + call assert_match('line ' .. (lnum + 3), v:throwpoint) + endtry + finally + call assert_equal(1, errcaught) + break + endtry + endwhile + call assert_equal('', v:exception) + call assert_equal('', v:throwpoint) + + Xpath 'g' + [CODE] + let verify =<< trim [CODE] + call assert_equal('abcdefg', g:Xpath) + [CODE] + call RunInNewVim(test, verify) +endfunc + +"------------------------------------------------------------------------------- +" +" Test 60: (Re)throwing v:exception; :echoerr. {{{1 +" +" A user exception can be rethrown after catching by throwing +" v:exception. An error or interrupt exception cannot be rethrown +" because Vim exceptions cannot be faked. A Vim exception using the +" value of v:exception can, however, be triggered by the :echoerr +" command. +"------------------------------------------------------------------------------- + +func Test_rethrow_exception_1() + XpathINIT + try + try + Xpath 'a' + throw "oops" + catch /oops/ + Xpath 'b' + throw v:exception " rethrow user exception + catch /.*/ + call assert_report('should not get here') + endtry + catch /^oops$/ " catches rethrown user exception + Xpath 'c' + catch /.*/ + call assert_report('should not get here') + endtry + call assert_equal('abc', g:Xpath) +endfunc + +func Test_rethrow_exception_2() + XpathINIT + try + let caught = 0 + try + Xpath 'a' + write /n/o/n/w/r/i/t/a/b/l/e/_/f/i/l/e + call assert_report('should not get here') + catch /^Vim(write):/ + let caught = 1 + throw v:exception " throw error: cannot fake Vim exception + catch /.*/ + call assert_report('should not get here') + finally + Xpath 'b' + call assert_equal(1, caught) + endtry + catch /^Vim(throw):/ " catches throw error + let caught = caught + 1 + catch /.*/ + call assert_report('should not get here') + finally + Xpath 'c' + call assert_equal(2, caught) + endtry + call assert_equal('abc', g:Xpath) +endfunc + +func Test_rethrow_exception_3() + XpathINIT + try + let caught = 0 + try + Xpath 'a' + asdf + catch /^Vim/ " catch error exception + let caught = 1 + " Trigger Vim error exception with value specified after :echoerr + let value = substitute(v:exception, '^Vim\((.*)\)\=:', '', "") + echoerr value + catch /.*/ + call assert_report('should not get here') + finally + Xpath 'b' + call assert_equal(1, caught) + endtry + catch /^Vim(echoerr):/ + let caught = caught + 1 + call assert_match(value, v:exception) + catch /.*/ + call assert_report('should not get here') + finally + Xpath 'c' + call assert_equal(2, caught) + endtry + call assert_equal('abc', g:Xpath) +endfunc + +func Test_rethrow_exception_3() + XpathINIT + try + let errcaught = 0 + try + Xpath 'a' + let intcaught = 0 + call interrupt() + catch /^Vim:/ " catch interrupt exception + let intcaught = 1 + " Trigger Vim error exception with value specified after :echoerr + echoerr substitute(v:exception, '^Vim\((.*)\)\=:', '', "") + catch /.*/ + call assert_report('should not get here') + finally + Xpath 'b' + call assert_equal(1, intcaught) + endtry + catch /^Vim(echoerr):/ + let errcaught = 1 + call assert_match('Interrupt', v:exception) + finally + Xpath 'c' + call assert_equal(1, errcaught) + endtry + call assert_equal('abc', g:Xpath) +endfunc + +"------------------------------------------------------------------------------- +" Test 61: Catching interrupt exceptions {{{1 +" +" When an interrupt occurs inside a :try/:endtry region, an +" interrupt exception is thrown and can be caught. Its value is +" "Vim:Interrupt". If the interrupt occurs after an error or a :throw +" but before a matching :catch is reached, all following :catches of +" that try block are ignored, but the interrupt exception can be +" caught by the next surrounding try conditional. An interrupt is +" ignored when there is a previous interrupt that has not been caught +" or causes a :finally clause to be executed. +"------------------------------------------------------------------------------- + +func Test_catch_intr_exception() + let test =<< trim [CODE] + while 1 + try + try + Xpath 'a' + call interrupt() + call assert_report('should not get here') + catch /^Vim:Interrupt$/ + Xpath 'b' + finally + Xpath 'c' + endtry + catch /.*/ + call assert_report('should not get here') + finally + Xpath 'd' + break + endtry + endwhile + + while 1 + try + try + try + Xpath 'e' + asdf + call assert_report('should not get here') + catch /do_not_catch/ + call assert_report('should not get here') + catch /.*/ + Xpath 'f' + call interrupt() + call assert_report('should not get here') + catch /.*/ + call assert_report('should not get here') + finally + Xpath 'g' + call interrupt() + call assert_report('should not get here') + endtry + catch /^Vim:Interrupt$/ + Xpath 'h' + finally + Xpath 'i' + endtry + catch /.*/ + call assert_report('should not get here') + finally + Xpath 'j' + break + endtry + endwhile + + while 1 + try + try + try + Xpath 'k' + throw "x" + call assert_report('should not get here') + catch /do_not_catch/ + call assert_report('should not get here') + catch /x/ + Xpath 'l' + call interrupt() + call assert_report('should not get here') + catch /.*/ + call assert_report('should not get here') + endtry + catch /^Vim:Interrupt$/ + Xpath 'm' + finally + Xpath 'n' + endtry + catch /.*/ + call assert_report('should not get here') + finally + Xpath 'o' + break + endtry + endwhile + + while 1 + try + try + Xpath 'p' + call interrupt() + call assert_report('should not get here') + catch /do_not_catch/ + call interrupt() + call assert_report('should not get here') + catch /^Vim:Interrupt$/ + Xpath 'q' + finally + Xpath 'r' + endtry + catch /.*/ + call assert_report('should not get here') + finally + Xpath 's' + break + endtry + endwhile + + Xpath 't' + [CODE] + let verify =<< trim [CODE] + call assert_equal('abcdefghijklmnopqrst', g:Xpath) + [CODE] + call RunInNewVim(test, verify) +endfunc + +"------------------------------------------------------------------------------- +" Test 62: Catching error exceptions {{{1 +" +" An error inside a :try/:endtry region is converted to an exception +" and can be caught. The error exception has a "Vim(cmdname):" prefix +" where cmdname is the name of the failing command, or a "Vim:" prefix +" if no command name is known. The "Vim" prefixes cannot be faked. +"------------------------------------------------------------------------------- + +func Test_catch_err_exception_1() + XpathINIT + while 1 + try + try + let caught = 0 + unlet novar + catch /^Vim(unlet):/ + Xpath 'a' + let caught = 1 + let v:errmsg = substitute(v:exception, '^Vim(unlet):', '', "") + finally + Xpath 'b' + call assert_equal(1, caught) + call assert_match('E108: No such variable: "novar"', v:errmsg) + endtry + catch /.*/ + call assert_report('should not get here') + finally + Xpath 'c' + break + endtry + call assert_report('should not get here') + endwhile + call assert_equal('abc', g:Xpath) +endfunc + +func Test_catch_err_exception_2() + XpathINIT + while 1 + try + try + let caught = 0 + throw novar " error in :throw + catch /^Vim(throw):/ + Xpath 'a' + let caught = 1 + let v:errmsg = substitute(v:exception, '^Vim(throw):', '', "") + finally + Xpath 'b' + call assert_equal(1, caught) + call assert_match('E121: Undefined variable: novar', v:errmsg) + endtry + catch /.*/ + call assert_report('should not get here') + finally + Xpath 'c' + break + endtry + call assert_report('should not get here') + endwhile + call assert_equal('abc', g:Xpath) +endfunc + +func Test_catch_err_exception_3() + XpathINIT + while 1 + try + try + let caught = 0 + throw "Vim:faked" " error: cannot fake Vim exception + catch /^Vim(throw):/ + Xpath 'a' + let caught = 1 + let v:errmsg = substitute(v:exception, '^Vim(throw):', '', "") + finally + Xpath 'b' + call assert_equal(1, caught) + call assert_match("E608: Cannot :throw exceptions with 'Vim' prefix", + \ v:errmsg) + endtry + catch /.*/ + call assert_report('should not get here') + finally + Xpath 'c' + break + endtry + call assert_report('should not get here') + endwhile + call assert_equal('abc', g:Xpath) +endfunc + +func Test_catch_err_exception_4() + XpathINIT + func F() + while 1 + " Missing :endwhile + endfunc + + while 1 + try + try + let caught = 0 + call F() + catch /^Vim(endfunction):/ + Xpath 'a' + let caught = 1 + let v:errmsg = substitute(v:exception, '^Vim(endfunction):', '', "") + finally + Xpath 'b' + call assert_equal(1, caught) + call assert_match("E170: Missing :endwhile", v:errmsg) + endtry + catch /.*/ + call assert_report('should not get here') + finally + Xpath 'c' + break + endtry + call assert_report('should not get here') + endwhile + call assert_equal('abc', g:Xpath) + delfunc F +endfunc + +func Test_catch_err_exception_5() + XpathINIT + func F() + while 1 + " Missing :endwhile + endfunc + + while 1 + try + try + let caught = 0 + ExecAsScript F + catch /^Vim:/ + Xpath 'a' + let caught = 1 + let v:errmsg = substitute(v:exception, '^Vim:', '', "") + finally + Xpath 'b' + call assert_equal(1, caught) + call assert_match("E170: Missing :endwhile", v:errmsg) + endtry + catch /.*/ + call assert_report('should not get here') + finally + Xpath 'c' + break + endtry + call assert_report('should not get here') + endwhile + call assert_equal('abc', g:Xpath) + delfunc F +endfunc + +func Test_catch_err_exception_6() + XpathINIT + func G() + call G() + endfunc + + while 1 + try + let mfd_save = &mfd + set mfd=3 + try + let caught = 0 + call G() + catch /^Vim(call):/ + Xpath 'a' + let caught = 1 + let v:errmsg = substitute(v:exception, '^Vim(call):', '', "") + finally + Xpath 'b' + call assert_equal(1, caught) + call assert_match("E132: Function call depth is higher than 'maxfuncdepth'", v:errmsg) + endtry + catch /.*/ + call assert_report('should not get here') + finally + Xpath 'c' + let &mfd = mfd_save + break + endtry + call assert_report('should not get here') + endwhile + call assert_equal('abc', g:Xpath) + delfunc G +endfunc + +func Test_catch_err_exception_7() + XpathINIT + func H() + return H() + endfunc + + while 1 + try + let mfd_save = &mfd + set mfd=3 + try + let caught = 0 + call H() + catch /^Vim(return):/ + Xpath 'a' + let caught = 1 + let v:errmsg = substitute(v:exception, '^Vim(return):', '', "") + finally + Xpath 'b' + call assert_equal(1, caught) + call assert_match("E132: Function call depth is higher than 'maxfuncdepth'", v:errmsg) + endtry + catch /.*/ + call assert_report('should not get here') + finally + Xpath 'c' + let &mfd = mfd_save + break " discard error for $VIMNOERRTHROW + endtry + call assert_report('should not get here') + endwhile + + call assert_equal('abc', g:Xpath) + delfunc H +endfunc + +"------------------------------------------------------------------------------- +" Test 63: Suppressing error exceptions by :silent!. {{{1 +" +" A :silent! command inside a :try/:endtry region suppresses the +" conversion of errors to an exception and the immediate abortion on +" error. When the commands executed by the :silent! themselves open +" a new :try/:endtry region, conversion of errors to exception and +" immediate abortion is switched on again - until the next :silent! +" etc. The :silent! has the effect of setting v:errmsg to the error +" message text (without displaying it) and continuing with the next +" script line. +" +" When a command triggering autocommands is executed by :silent! +" inside a :try/:endtry, the autocommand execution is not suppressed +" on error. +" +" This test reuses the function MSG() from the previous test. +"------------------------------------------------------------------------------- + +func Test_silent_exception() + XpathINIT + XloopINIT + let g:taken = "" + + func S(n) abort + XloopNEXT + let g:taken = g:taken . "E" . a:n + let v:errmsg = "" + exec "asdf" . a:n + + " Check that ":silent!" continues: + Xloop 'a' + + " Check that ":silent!" sets "v:errmsg": + call assert_match("E492: Not an editor command", v:errmsg) + endfunc + + func Foo() + while 1 + try + try + let caught = 0 + " This is not silent: + call S(3) + catch /^Vim:/ + Xpath 'b' + let caught = 1 + let errmsg3 = substitute(v:exception, '^Vim:', '', "") + silent! call S(4) + finally + call assert_equal(1, caught) + Xpath 'c' + call assert_match("E492: Not an editor command", errmsg3) + silent! call S(5) + " Break out of try conditionals that cover ":silent!". This also + " discards the aborting error when $VIMNOERRTHROW is non-zero. + break + endtry + catch /.*/ + call assert_report('should not get here') + endtry + endwhile + " This is a double ":silent!" (see caller). + silent! call S(6) + endfunc + + func Bar() + try + silent! call S(2) + silent! execute "call Foo() | call S(7)" + silent! call S(8) + endtry " normal end of try cond that covers ":silent!" + " This has a ":silent!" from the caller: + call S(9) + endfunc + + silent! call S(1) + silent! call Bar() + silent! call S(10) + + call assert_equal("E1E2E3E4E5E6E7E8E9E10", g:taken) + + augroup TMP + au! + autocmd BufWritePost * Xpath 'd' + augroup END + + Xpath 'e' + silent! write /i/m/p/o/s/s/i/b/l/e + Xpath 'f' + + call assert_equal('a2a3ba5ca6a7a8a9a10a11edf', g:Xpath) + + augroup TMP + au! + augroup END + augroup! TMP + delfunction S + delfunction Foo + delfunction Bar +endfunc + +"------------------------------------------------------------------------------- +" Test 64: Error exceptions after error, interrupt or :throw {{{1 +" +" When an error occurs after an interrupt or a :throw but before +" a matching :catch is reached, all following :catches of that try +" block are ignored, but the error exception can be caught by the next +" surrounding try conditional. Any previous error exception is +" discarded. An error is ignored when there is a previous error that +" has not been caught. +"------------------------------------------------------------------------------- + +func Test_exception_after_error_1() + XpathINIT + while 1 + try + try + Xpath 'a' + let caught = 0 + while 1 + if 1 + " Missing :endif + endwhile " throw error exception + catch /^Vim(/ + Xpath 'b' + let caught = 1 + finally + Xpath 'c' + call assert_equal(1, caught) + endtry + catch /.*/ + call assert_report('should not get here') + finally + Xpath 'd' + break + endtry + call assert_report('should not get here') + endwhile + call assert_equal('abcd', g:Xpath) +endfunc + +func Test_exception_after_error_2() + XpathINIT + while 1 + try + try + Xpath 'a' + let caught = 0 + try + if 1 + " Missing :endif + catch /.*/ " throw error exception + call assert_report('should not get here') + catch /.*/ + call assert_report('should not get here') + endtry + catch /^Vim(/ + Xpath 'b' + let caught = 1 + finally + Xpath 'c' + call assert_equal(1, caught) + endtry + catch /.*/ + call assert_report('should not get here') + finally + Xpath 'd' + break + endtry + call assert_report('should not get here') + endwhile + call assert_equal('abcd', g:Xpath) +endfunc + +func Test_exception_after_error_3() + XpathINIT + while 1 + try + try + let caught = 0 + try + Xpath 'a' + call interrupt() + catch /do_not_catch/ + call assert_report('should not get here') + if 1 + " Missing :endif + catch /.*/ " throw error exception + call assert_report('should not get here') + catch /.*/ + call assert_report('should not get here') + endtry + catch /^Vim(/ + Xpath 'b' + let caught = 1 + finally + Xpath 'c' + call assert_equal(1, caught) + endtry + catch /.*/ + call assert_report('should not get here') + finally + Xpath 'd' + break + endtry + call assert_report('should not get here') + endwhile + call assert_equal('abcd', g:Xpath) +endfunc + +func Test_exception_after_error_4() + XpathINIT + while 1 + try + try + let caught = 0 + try + Xpath 'a' + throw "x" + catch /do_not_catch/ + call assert_report('should not get here') + if 1 + " Missing :endif + catch /x/ " throw error exception + call assert_report('should not get here') + catch /.*/ + call assert_report('should not get here') + endtry + catch /^Vim(/ + Xpath 'b' + let caught = 1 + finally + Xpath 'c' + call assert_equal(1, caught) + endtry + catch /.*/ + call assert_report('should not get here') + finally + Xpath 'd' + break + endtry + call assert_report('should not get here') + endwhile + call assert_equal('abcd', g:Xpath) +endfunc + +func Test_exception_after_error_5() + XpathINIT + while 1 + try + try + let caught = 0 + Xpath 'a' + endif " :endif without :if; throw error exception + if 1 + " Missing :endif + catch /do_not_catch/ " ignore new error + call assert_report('should not get here') + catch /^Vim(endif):/ + Xpath 'b' + let caught = 1 + catch /^Vim(/ + call assert_report('should not get here') + finally + Xpath 'c' + call assert_equal(1, caught) + endtry + catch /.*/ + call assert_report('should not get here') + finally + Xpath 'd' + break + endtry + call assert_report('should not get here') + endwhile + call assert_equal('abcd', g:Xpath) +endfunc + +"------------------------------------------------------------------------------- +" Test 65: Errors in the /pattern/ argument of a :catch {{{1 +" +" On an error in the /pattern/ argument of a :catch, the :catch does +" not match. Any following :catches of the same :try/:endtry don't +" match either. Finally clauses are executed. +"------------------------------------------------------------------------------- + +func Test_catch_pattern_error() + CheckEnglish + XpathINIT + + try + try + Xpath 'a' + throw "oops" + catch /^oops$/ + Xpath 'b' + catch /\)/ " not checked; exception has already been caught + call assert_report('should not get here') + endtry + Xpath 'c' + catch /.*/ + call assert_report('should not get here') + endtry + call assert_equal('abc', g:Xpath) + + XpathINIT + func F() + try + try + try + Xpath 'a' + throw "ab" + catch /abc/ " does not catch + call assert_report('should not get here') + catch /\)/ " error; discards exception + call assert_report('should not get here') + catch /.*/ " not checked + call assert_report('should not get here') + finally + Xpath 'b' + endtry + call assert_report('should not get here') + catch /^ab$/ " checked, but original exception is discarded + call assert_report('should not get here') + catch /^Vim(catch):/ + Xpath 'c' + call assert_match('Vim(catch):E475: Invalid argument:', v:exception) + finally + Xpath 'd' + endtry + Xpath 'e' + catch /.*/ + call assert_report('should not get here') + endtry + Xpath 'f' + endfunc + + call F() + call assert_equal('abcdef', g:Xpath) + + delfunc F +endfunc + +"------------------------------------------------------------------------------- +" Test 66: Stop range :call on error, interrupt, or :throw {{{1 +" +" When a function which is multiply called for a range since it +" doesn't handle the range itself has an error in a command +" dynamically enclosed by :try/:endtry or gets an interrupt or +" executes a :throw, no more calls for the remaining lines in the +" range are made. On an error in a command not dynamically enclosed +" by :try/:endtry, the function is executed again for the remaining +" lines in the range. +"------------------------------------------------------------------------------- + +func Test_stop_range_on_error() + let test =<< trim [CODE] + let file = tempname() + exec "edit" file + call setline(1, ['line 1', 'line 2', 'line 3']) + let taken = "" + let expected = "G1EF1E(1)F1E(2)F1E(3)G2EF2E(1)G3IF3I(1)G4TF4T(1)G5AF5A(1)" + + func F(reason, n) abort + let g:taken = g:taken .. "F" .. a:n .. + \ substitute(a:reason, '\(\l\).*', '\u\1', "") .. + \ "(" .. line(".") .. ")" + + if a:reason == "error" + asdf + elseif a:reason == "interrupt" + call interrupt() + elseif a:reason == "throw" + throw "xyz" + elseif a:reason == "aborting error" + XloopNEXT + call assert_equal(g:taken, g:expected) + try + bwipeout! + call delete(g:file) + asdf + endtry + endif + endfunc + + func G(reason, n) + let g:taken = g:taken .. "G" .. a:n .. + \ substitute(a:reason, '\(\l\).*', '\u\1', "") + 1,3call F(a:reason, a:n) + endfunc + + Xpath 'a' + call G("error", 1) + try + Xpath 'b' + try + call G("error", 2) + call assert_report('should not get here') + finally + Xpath 'c' + try + call G("interrupt", 3) + call assert_report('should not get here') + finally + Xpath 'd' + try + call G("throw", 4) + call assert_report('should not get here') + endtry + endtry + endtry + catch /xyz/ + Xpath 'e' + catch /.*/ + call assert_report('should not get here') + endtry + Xpath 'f' + call G("aborting error", 5) + call assert_report('should not get here') + [CODE] + let verify =<< trim [CODE] + call assert_equal('abcdef', g:Xpath) + [CODE] + call RunInNewVim(test, verify) +endfunc + +"------------------------------------------------------------------------------- +" Test 67: :throw across :call command {{{1 +" +" On a call command, an exception might be thrown when evaluating the +" function name, during evaluation of the arguments, or when the +" function is being executed. The exception can be caught by the +" caller. +"------------------------------------------------------------------------------- + +func THROW(x, n) + if a:n == 1 + Xpath 'A' + elseif a:n == 2 + Xpath 'B' + elseif a:n == 3 + Xpath 'C' + endif + throw a:x +endfunc + +func NAME(x, n) + if a:n == 1 + call assert_report('should not get here') + elseif a:n == 2 + Xpath 'D' + elseif a:n == 3 + Xpath 'E' + elseif a:n == 4 + Xpath 'F' + endif + return a:x +endfunc + +func ARG(x, n) + if a:n == 1 + call assert_report('should not get here') + elseif a:n == 2 + call assert_report('should not get here') + elseif a:n == 3 + Xpath 'G' + elseif a:n == 4 + Xpath 'I' + endif + return a:x +endfunc + +func Test_throw_across_call_cmd() + XpathINIT + + func F(x, n) + if a:n == 2 + call assert_report('should not get here') + elseif a:n == 4 + Xpath 'a' + endif + endfunc + + while 1 + try + let v:errmsg = "" + + while 1 + try + Xpath 'b' + call {NAME(THROW("name", 1), 1)}(ARG(4711, 1), 1) + call assert_report('should not get here') + catch /^name$/ + Xpath 'c' + catch /.*/ + call assert_report('should not get here') + finally + call assert_equal("", v:errmsg) + let v:errmsg = "" + break + endtry + endwhile + + while 1 + try + Xpath 'd' + call {NAME("F", 2)}(ARG(THROW("arg", 2), 2), 2) + call assert_report('should not get here') + catch /^arg$/ + Xpath 'e' + catch /.*/ + call assert_report('should not get here') + finally + call assert_equal("", v:errmsg) + let v:errmsg = "" + break + endtry + endwhile + + while 1 + try + Xpath 'f' + call {NAME("THROW", 3)}(ARG("call", 3), 3) + call assert_report('should not get here') + catch /^call$/ + Xpath 'g' + catch /^0$/ " default return value + call assert_report('should not get here') + catch /.*/ + call assert_report('should not get here') + finally + call assert_equal("", v:errmsg) + let v:errmsg = "" + break + endtry + endwhile + + while 1 + try + Xpath 'h' + call {NAME("F", 4)}(ARG(4711, 4), 4) + Xpath 'i' + catch /.*/ + call assert_report('should not get here') + finally + call assert_equal("", v:errmsg) + let v:errmsg = "" + break + endtry + endwhile + + catch /^0$/ " default return value + call assert_report('should not get here') + catch /.*/ + call assert_report('should not get here') + finally + call assert_equal("", v:errmsg) + let v:errmsg = "" + break + endtry + endwhile + + call assert_equal('bAcdDBefEGCghFIai', g:Xpath) + delfunction F +endfunc + +"------------------------------------------------------------------------------- +" Test 68: :throw across function calls in expressions {{{1 +" +" On a function call within an expression, an exception might be +" thrown when evaluating the function name, during evaluation of the +" arguments, or when the function is being executed. The exception +" can be caught by the caller. +" +" This test reuses the functions THROW(), NAME(), and ARG() from the +" previous test. +"------------------------------------------------------------------------------- + +func Test_throw_across_call_expr() + XpathINIT + + func F(x, n) + if a:n == 2 + call assert_report('should not get here') + elseif a:n == 4 + Xpath 'a' + endif + return a:x + endfunction + + while 1 + try + let error = 0 + let v:errmsg = "" + + while 1 + try + Xpath 'b' + let var1 = {NAME(THROW("name", 1), 1)}(ARG(4711, 1), 1) + call assert_report('should not get here') + catch /^name$/ + Xpath 'c' + catch /.*/ + call assert_report('should not get here') + finally + call assert_equal("", v:errmsg) + let v:errmsg = "" + break + endtry + endwhile + call assert_true(!exists('var1')) + + while 1 + try + Xpath 'd' + let var2 = {NAME("F", 2)}(ARG(THROW("arg", 2), 2), 2) + call assert_report('should not get here') + catch /^arg$/ + Xpath 'e' + catch /.*/ + call assert_report('should not get here') + finally + call assert_equal("", v:errmsg) + let v:errmsg = "" + break + endtry + endwhile + call assert_true(!exists('var2')) + + while 1 + try + Xpath 'f' + let var3 = {NAME("THROW", 3)}(ARG("call", 3), 3) + call assert_report('should not get here') + catch /^call$/ + Xpath 'g' + catch /^0$/ " default return value + call assert_report('should not get here') + catch /.*/ + call assert_report('should not get here') + finally + call assert_equal("", v:errmsg) + let v:errmsg = "" + break + endtry + endwhile + call assert_true(!exists('var3')) + + while 1 + try + Xpath 'h' + let var4 = {NAME("F", 4)}(ARG(4711, 4), 4) + Xpath 'i' + catch /.*/ + call assert_report('should not get here') + finally + call assert_equal("", v:errmsg) + let v:errmsg = "" + break + endtry + endwhile + call assert_true(exists('var4') && var4 == 4711) + + catch /^0$/ " default return value + call assert_report('should not get here') + catch /.*/ + call assert_report('should not get here') + finally + call assert_equal("", v:errmsg) + break + endtry + endwhile + + call assert_equal('bAcdDBefEGCghFIai', g:Xpath) + delfunc F +endfunc + +"------------------------------------------------------------------------------- +" Test 76: Errors, interrupts, :throw during expression evaluation {{{1 +" +" When a function call made during expression evaluation is aborted +" due to an error inside a :try/:endtry region or due to an interrupt +" or a :throw, the expression evaluation is aborted as well. No +" message is displayed for the cancelled expression evaluation. On an +" error not inside :try/:endtry, the expression evaluation continues. +"------------------------------------------------------------------------------- + +func Test_expr_eval_error() + let test =<< trim [CODE] + let taken = "" + + func ERR(n) + let g:taken = g:taken .. "E" .. a:n + asdf + endfunc + + func ERRabort(n) abort + let g:taken = g:taken .. "A" .. a:n + asdf + endfunc " returns -1; may cause follow-up msg for illegal var/func name + + func WRAP(n, arg) + let g:taken = g:taken .. "W" .. a:n + let g:saved_errmsg = v:errmsg + return arg + endfunc + + func INT(n) + let g:taken = g:taken .. "I" .. a:n + call interrupt() + endfunc + + func THR(n) + let g:taken = g:taken .. "T" .. a:n + throw "should not be caught" + endfunc + + func CONT(n) + let g:taken = g:taken .. "C" .. a:n + endfunc + + func MSG(n) + let g:taken = g:taken .. "M" .. a:n + let errmsg = (a:n >= 37 && a:n <= 44) ? g:saved_errmsg : v:errmsg + let msgptn = (a:n >= 10 && a:n <= 27) ? "^$" : "asdf" + call assert_match(msgptn, errmsg) + let v:errmsg = "" + let g:saved_errmsg = "" + endfunc + + let v:errmsg = "" + + try + let t = 1 + while t <= 9 + Xloop 'a' + try + if t == 1 + let v{ERR(t) + CONT(t)} = 0 + elseif t == 2 + let v{ERR(t) + CONT(t)} + elseif t == 3 + let var = exists('v{ERR(t) + CONT(t)}') + elseif t == 4 + unlet v{ERR(t) + CONT(t)} + elseif t == 5 + function F{ERR(t) + CONT(t)}() + endfunction + elseif t == 6 + function F{ERR(t) + CONT(t)} + elseif t == 7 + let var = exists('*F{ERR(t) + CONT(t)}') + elseif t == 8 + delfunction F{ERR(t) + CONT(t)} + elseif t == 9 + let var = ERR(t) + CONT(t) + endif + catch /asdf/ + " v:errmsg is not set when the error message is converted to an + " exception. Set it to the original error message. + let v:errmsg = substitute(v:exception, '^Vim:', '', "") + catch /^Vim\((\a\+)\)\=:/ + " An error exception has been thrown after the original error. + let v:errmsg = "" + finally + call MSG(t) + let t = t + 1 + XloopNEXT + continue " discard an aborting error + endtry + endwhile + catch /.*/ + call assert_report('should not get here') + endtry + + try + let t = 10 + while t <= 18 + Xloop 'b' + try + if t == 10 + let v{INT(t) + CONT(t)} = 0 + elseif t == 11 + let v{INT(t) + CONT(t)} + elseif t == 12 + let var = exists('v{INT(t) + CONT(t)}') + elseif t == 13 + unlet v{INT(t) + CONT(t)} + elseif t == 14 + function F{INT(t) + CONT(t)}() + endfunction + elseif t == 15 + function F{INT(t) + CONT(t)} + elseif t == 16 + let var = exists('*F{INT(t) + CONT(t)}') + elseif t == 17 + delfunction F{INT(t) + CONT(t)} + elseif t == 18 + let var = INT(t) + CONT(t) + endif + catch /^Vim\((\a\+)\)\=:\(Interrupt\)\@!/ + " An error exception has been triggered after the interrupt. + let v:errmsg = substitute(v:exception, '^Vim\((\a\+)\)\=:', '', "") + finally + call MSG(t) + let t = t + 1 + XloopNEXT + continue " discard interrupt + endtry + endwhile + catch /.*/ + call assert_report('should not get here') + endtry + + try + let t = 19 + while t <= 27 + Xloop 'c' + try + if t == 19 + let v{THR(t) + CONT(t)} = 0 + elseif t == 20 + let v{THR(t) + CONT(t)} + elseif t == 21 + let var = exists('v{THR(t) + CONT(t)}') + elseif t == 22 + unlet v{THR(t) + CONT(t)} + elseif t == 23 + function F{THR(t) + CONT(t)}() + endfunction + elseif t == 24 + function F{THR(t) + CONT(t)} + elseif t == 25 + let var = exists('*F{THR(t) + CONT(t)}') + elseif t == 26 + delfunction F{THR(t) + CONT(t)} + elseif t == 27 + let var = THR(t) + CONT(t) + endif + catch /^Vim\((\a\+)\)\=:/ + " An error exception has been triggered after the :throw. + let v:errmsg = substitute(v:exception, '^Vim\((\a\+)\)\=:', '', "") + finally + call MSG(t) + let t = t + 1 + XloopNEXT + continue " discard exception + endtry + endwhile + catch /.*/ + call assert_report('should not get here') + endtry + + let v{ERR(28) + CONT(28)} = 0 + call MSG(28) + let v{ERR(29) + CONT(29)} + call MSG(29) + let var = exists('v{ERR(30) + CONT(30)}') + call MSG(30) + unlet v{ERR(31) + CONT(31)} + call MSG(31) + function F{ERR(32) + CONT(32)}() + endfunction + call MSG(32) + function F{ERR(33) + CONT(33)} + call MSG(33) + let var = exists('*F{ERR(34) + CONT(34)}') + call MSG(34) + delfunction F{ERR(35) + CONT(35)} + call MSG(35) + let var = ERR(36) + CONT(36) + call MSG(36) + + let saved_errmsg = "" + + let v{WRAP(37, ERRabort(37)) + CONT(37)} = 0 + call MSG(37) + let v{WRAP(38, ERRabort(38)) + CONT(38)} + call MSG(38) + let var = exists('v{WRAP(39, ERRabort(39)) + CONT(39)}') + call MSG(39) + unlet v{WRAP(40, ERRabort(40)) + CONT(40)} + call MSG(40) + function F{WRAP(41, ERRabort(41)) + CONT(41)}() + endfunction + call MSG(41) + function F{WRAP(42, ERRabort(42)) + CONT(42)} + call MSG(42) + let var = exists('*F{WRAP(43, ERRabort(43)) + CONT(43)}') + call MSG(43) + delfunction F{WRAP(44, ERRabort(44)) + CONT(44)} + call MSG(44) + let var = ERRabort(45) + CONT(45) + call MSG(45) + Xpath 'd' + + let expected = "" + \ .. "E1M1E2M2E3M3E4M4E5M5E6M6E7M7E8M8E9M9" + \ .. "I10M10I11M11I12M12I13M13I14M14I15M15I16M16I17M17I18M18" + \ .. "T19M19T20M20T21M21T22M22T23M23T24M24T25M25T26M26T27M27" + \ .. "E28C28M28E29C29M29E30C30M30E31C31M31E32C32M32E33C33M33" + \ .. "E34C34M34E35C35M35E36C36M36" + \ .. "A37W37C37M37A38W38C38M38A39W39C39M39A40W40C40M40A41W41C41M41" + \ .. "A42W42C42M42A43W43C43M43A44W44C44M44A45C45M45" + call assert_equal(expected, taken) + [CODE] + let verify =<< trim [CODE] + let expected = "a1a2a3a4a5a6a7a8a9" + \ .. "b10b11b12b13b14b15b16b17b18" + \ .. "c19c20c21c22c23c24c25c26c27d" + call assert_equal(expected, g:Xpath) + [CODE] + call RunInNewVim(test, verify) +endfunc + +"------------------------------------------------------------------------------- +" Test 77: Errors, interrupts, :throw in name{brace-expression} {{{1 +" +" When a function call made during evaluation of an expression in +" braces as part of a function name after ":function" is aborted due +" to an error inside a :try/:endtry region or due to an interrupt or +" a :throw, the expression evaluation is aborted as well, and the +" function definition is ignored, skipping all commands to the +" ":endfunction". On an error not inside :try/:endtry, the expression +" evaluation continues and the function gets defined, and can be +" called and deleted. +"------------------------------------------------------------------------------- +func Test_brace_expr_error() + let test =<< trim [CODE] + func ERR() abort + Xloop 'a' + asdf + endfunc " returns -1 + + func OK() + Xloop 'b' + let v:errmsg = "" + return 0 + endfunc + + let v:errmsg = "" + + Xpath 'c' + func F{1 + ERR() + OK()}(arg) + " F0 should be defined. + if exists("a:arg") && a:arg == "calling" + Xpath 'd' + else + call assert_report('should not get here') + endif + endfunction + call assert_equal("", v:errmsg) + XloopNEXT + + Xpath 'e' + call F{1 + ERR() + OK()}("calling") + call assert_equal("", v:errmsg) + XloopNEXT + + Xpath 'f' + delfunction F{1 + ERR() + OK()} + call assert_equal("", v:errmsg) + XloopNEXT + + try + while 1 + try + Xpath 'g' + func G{1 + ERR() + OK()}(arg) + " G0 should not be defined, and the function body should be + " skipped. + call assert_report('should not get here') + " Use an unmatched ":finally" to check whether the body is + " skipped when an error occurs in ERR(). This works whether or + " not the exception is converted to an exception. + finally + call assert_report('should not get here') + endtry + try + call assert_report('should not get here') + endfunction + + call assert_report('should not get here') + catch /asdf/ + " Jumped to when the function is not defined and the body is + " skipped. + Xpath 'h' + catch /.*/ + call assert_report('should not get here') + finally + Xpath 'i' + break + endtry " jumped to when the body is not skipped + endwhile + catch /.*/ + call assert_report('should not get here') + endtry + [CODE] + let verify =<< trim [CODE] + call assert_equal('ca1b1ea2b2dfa3b3ga4hi', g:Xpath) + [CODE] + call RunInNewVim(test, verify) +endfunc + +"------------------------------------------------------------------------------- +" Test 78: Messages on parsing errors in expression evaluation {{{1 +" +" When an expression evaluation detects a parsing error, an error +" message is given and converted to an exception, and the expression +" evaluation is aborted. +"------------------------------------------------------------------------------- +func Test_expr_eval_error_msg() + CheckEnglish + + let test =<< trim [CODE] + let taken = "" + + func F(n) + let g:taken = g:taken . "F" . a:n + endfunc + + func MSG(n, enr, emsg) + let g:taken = g:taken . "M" . a:n + call assert_match('^' .. a:enr .. ':', v:errmsg) + call assert_match(a:emsg, v:errmsg) + endfunc + + func CONT(n) + let g:taken = g:taken . "C" . a:n + endfunc + + let v:errmsg = "" + try + let t = 1 + while t <= 14 + let g:taken = g:taken . "T" . t + let v:errmsg = "" + try + if t == 1 + let v{novar + CONT(t)} = 0 + elseif t == 2 + let v{novar + CONT(t)} + elseif t == 3 + let var = exists('v{novar + CONT(t)}') + elseif t == 4 + unlet v{novar + CONT(t)} + elseif t == 5 + function F{novar + CONT(t)}() + endfunction + elseif t == 6 + function F{novar + CONT(t)} + elseif t == 7 + let var = exists('*F{novar + CONT(t)}') + elseif t == 8 + delfunction F{novar + CONT(t)} + elseif t == 9 + echo novar + CONT(t) + elseif t == 10 + echo v{novar + CONT(t)} + elseif t == 11 + echo F{novar + CONT(t)} + elseif t == 12 + let var = novar + CONT(t) + elseif t == 13 + let var = v{novar + CONT(t)} + elseif t == 14 + let var = F{novar + CONT(t)}() + endif + catch /^Vim\((\a\+)\)\=:/ + Xloop 'a' + " v:errmsg is not set when the error message is converted to an + " exception. Set it to the original error message. + let v:errmsg = substitute(v:exception, '^Vim\((\a\+)\)\=:', '', "") + finally + Xloop 'b' + if t <= 8 && t != 3 && t != 7 + call MSG(t, 'E475', 'Invalid argument\>') + else + call MSG(t, 'E121', "Undefined variable") + endif + let t = t + 1 + XloopNEXT + continue " discard an aborting error + endtry + endwhile + catch /.*/ + call assert_report('should not get here') + endtry + + func T(n, expr, enr, emsg) + try + let g:taken = g:taken . "T" . a:n + let v:errmsg = "" + try + execute "let var = " . a:expr + catch /^Vim\((\a\+)\)\=:/ + Xloop 'c' + " v:errmsg is not set when the error message is converted to an + " exception. Set it to the original error message. + let v:errmsg = substitute(v:exception, '^Vim\((\a\+)\)\=:', '', "") + finally + Xloop 'd' + call MSG(a:n, a:enr, a:emsg) + XloopNEXT + " Discard an aborting error: + return + endtry + catch /.*/ + call assert_report('should not get here') + endtry + endfunc + + call T(15, 'Nofunc() + CONT(15)', 'E117', "Unknown function") + call T(16, 'F(1 2 + CONT(16))', 'E116', "Invalid arguments") + call T(17, 'F(1, 2) + CONT(17)', 'E118', "Too many arguments") + call T(18, 'F() + CONT(18)', 'E119', "Not enough arguments") + call T(19, '{(1} + CONT(19)', 'E110', "Missing ')'") + call T(20, '("abc"[1) + CONT(20)', 'E111', "Missing ']'") + call T(21, '(1 +) + CONT(21)', 'E15', "Invalid expression") + call T(22, '1 2 + CONT(22)', 'E15', "Invalid expression") + call T(23, '(1 ? 2) + CONT(23)', 'E109', "Missing ':' after '?'") + call T(24, '("abc) + CONT(24)', 'E114', "Missing quote") + call T(25, "('abc) + CONT(25)", 'E115', "Missing quote") + call T(26, '& + CONT(26)', 'E112', "Option name missing") + call T(27, '&asdf + CONT(27)', 'E113', "Unknown option") + + let expected = "" + \ .. "T1M1T2M2T3M3T4M4T5M5T6M6T7M7T8M8T9M9T10M10T11M11T12M12T13M13T14M14" + \ .. "T15M15T16M16T17M17T18M18T19M19T20M20T21M21T22M22T23M23T24M24T25M25" + \ .. "T26M26T27M27" + + call assert_equal(expected, taken) + [CODE] + let verify =<< trim [CODE] + let expected = "a1b1a2b2a3b3a4b4a5b5a6b6a7b7a8b8a9b9a10b10a11b11a12b12" + \ .. "a13b13a14b14c15d15c16d16c17d17c18d18c19d19c20d20" + \ .. "c21d21c22d22c23d23c24d24c25d25c26d26c27d27" + call assert_equal(expected, g:Xpath) + [CODE] + call RunInNewVim(test, verify) +endfunc + +"------------------------------------------------------------------------------- +" Test 79: Throwing one of several errors for the same command {{{1 +" +" When several errors appear in a row (for instance during expression +" evaluation), the first as the most specific one is used when +" throwing an error exception. If, however, a syntax error is +" detected afterwards, this one is used for the error exception. +" On a syntax error, the next command is not executed, on a normal +" error, however, it is (relevant only in a function without the +" "abort" flag). v:errmsg is not set. +" +" If throwing error exceptions is configured off, v:errmsg is always +" set to the latest error message, that is, to the more general +" message or the syntax error, respectively. +"------------------------------------------------------------------------------- +func Test_throw_multi_error() + CheckEnglish + + let test =<< trim [CODE] + func NEXT(cmd) + exec a:cmd . " | Xloop 'a'" + endfun + + call NEXT('echo novar') " (checks nextcmd) + XloopNEXT + call NEXT('let novar #') " (skips nextcmd) + XloopNEXT + call NEXT('unlet novar #') " (skips nextcmd) + XloopNEXT + call NEXT('let {novar}') " (skips nextcmd) + XloopNEXT + call NEXT('unlet{ novar}') " (skips nextcmd) + + call assert_equal('a1', g:Xpath) + XpathINIT + XloopINIT + + func EXEC(cmd) + exec a:cmd + endfunc + + try + while 1 " dummy loop + try + let v:errmsg = "" + call EXEC('echo novar') " normal error + catch /^Vim\((\a\+)\)\=:/ + Xpath 'b' + call assert_match('E121: Undefined variable: novar', v:exception) + finally + Xpath 'c' + call assert_equal("", v:errmsg) + break + endtry + endwhile + + Xpath 'd' + let cmd = "let" + while cmd != "" + try + let v:errmsg = "" + call EXEC(cmd . ' novar #') " normal plus syntax error + catch /^Vim\((\a\+)\)\=:/ + Xloop 'e' + call assert_match('E488: Trailing characters', v:exception) + finally + Xloop 'f' + call assert_equal("", v:errmsg) + if cmd == "let" + let cmd = "unlet" + else + let cmd = "" + endif + XloopNEXT + continue + endtry + endwhile + + Xpath 'g' + let cmd = "let" + while cmd != "" + try + let v:errmsg = "" + call EXEC(cmd . ' {novar}') " normal plus syntax error + catch /^Vim\((\a\+)\)\=:/ + Xloop 'h' + call assert_match('E475: Invalid argument: {novar}', v:exception) + finally + Xloop 'i' + call assert_equal("", v:errmsg) + if cmd == "let" + let cmd = "unlet" + else + let cmd = "" + endif + XloopNEXT + continue + endtry + endwhile + catch /.*/ + call assert_report('should not get here') + endtry + Xpath 'j' + [CODE] + let verify =<< trim [CODE] + call assert_equal('bcde1f1e2f2gh3i3h4i4j', g:Xpath) + [CODE] + call RunInNewVim(test, verify) +endfunc + +"------------------------------------------------------------------------------- +" Test 80: Syntax error in expression for illegal :elseif {{{1 +" +" If there is a syntax error in the expression after an illegal +" :elseif, an error message is given (or an error exception thrown) +" for the illegal :elseif rather than the expression error. +"------------------------------------------------------------------------------- +func Test_if_syntax_error() + CheckEnglish + + let test =<< trim [CODE] + let v:errmsg = "" + if 0 + else + elseif 1 ||| 2 + endif + Xpath 'a' + call assert_match('E584: :elseif after :else', v:errmsg) + + let v:errmsg = "" + if 1 + else + elseif 1 ||| 2 + endif + Xpath 'b' + call assert_match('E584: :elseif after :else', v:errmsg) + + let v:errmsg = "" + elseif 1 ||| 2 + Xpath 'c' + call assert_match('E582: :elseif without :if', v:errmsg) + + let v:errmsg = "" + while 1 + elseif 1 ||| 2 + endwhile + Xpath 'd' + call assert_match('E582: :elseif without :if', v:errmsg) + + while 1 + try + try + let v:errmsg = "" + if 0 + else + elseif 1 ||| 2 + endif + catch /^Vim\((\a\+)\)\=:/ + Xpath 'e' + call assert_match('E584: :elseif after :else', v:exception) + finally + Xpath 'f' + call assert_equal("", v:errmsg) + endtry + catch /.*/ + call assert_report('should not get here') + finally + Xpath 'g' + break + endtry + endwhile + + while 1 + try + try + let v:errmsg = "" + if 1 + else + elseif 1 ||| 2 + endif + catch /^Vim\((\a\+)\)\=:/ + Xpath 'h' + call assert_match('E584: :elseif after :else', v:exception) + finally + Xpath 'i' + call assert_equal("", v:errmsg) + endtry + catch /.*/ + call assert_report('should not get here') + finally + Xpath 'j' + break + endtry + endwhile + + while 1 + try + try + let v:errmsg = "" + elseif 1 ||| 2 + catch /^Vim\((\a\+)\)\=:/ + Xpath 'k' + call assert_match('E582: :elseif without :if', v:exception) + finally + Xpath 'l' + call assert_equal("", v:errmsg) + endtry + catch /.*/ + call assert_report('should not get here') + finally + Xpath 'm' + break + endtry + endwhile + + while 1 + try + try + let v:errmsg = "" + while 1 + elseif 1 ||| 2 + endwhile + catch /^Vim\((\a\+)\)\=:/ + Xpath 'n' + call assert_match('E582: :elseif without :if', v:exception) + finally + Xpath 'o' + call assert_equal("", v:errmsg) + endtry + catch /.*/ + call assert_report('should not get here') + finally + Xpath 'p' + break + endtry + endwhile + Xpath 'q' + [CODE] + let verify =<< trim [CODE] + call assert_equal('abcdefghijklmnopq', g:Xpath) + [CODE] + call RunInNewVim(test, verify) +endfunc + +"------------------------------------------------------------------------------- +" Test 81: Discarding exceptions after an error or interrupt {{{1 +" +" When an exception is thrown from inside a :try conditional without +" :catch and :finally clauses and an error or interrupt occurs before +" the :endtry is reached, the exception is discarded. +"------------------------------------------------------------------------------- + +func Test_discard_exception_after_error_1() + let test =<< trim [CODE] + try + Xpath 'a' + try + Xpath 'b' + throw "arrgh" + call assert_report('should not get here') + if 1 + call assert_report('should not get here') + " error after :throw: missing :endif + endtry + call assert_report('should not get here') + catch /arrgh/ + call assert_report('should not get here') + endtry + call assert_report('should not get here') + [CODE] + let verify =<< trim [CODE] + call assert_equal('ab', g:Xpath) + [CODE] + call RunInNewVim(test, verify) +endfunc + +" TODO: Not able inject an interrupt after throwing an exception +func Disable_Test_discard_exception_after_error_2() + let test =<< trim [CODE] + try + Xpath 'a' + try + Xpath 'b' + throw "arrgh" + call interrupt() " FIXME: throw is not interrupted here + call assert_report('should not get here') + endtry + call assert_report('should not get here') + catch /arrgh/ + call assert_report('should not get here') + endtry + call assert_report('should not get here') + [CODE] + let verify =<< trim [CODE] + call assert_equal('ab', g:Xpath) + [CODE] + call RunInNewVim(test, verify) +endfunc + "------------------------------------------------------------------------------- " Test 87 using (expr) ? funcref : funcref {{{1 " @@ -1443,7 +6241,7 @@ endfunc " Undefined behavior was detected by ubsan with line continuation " after an empty line. "------------------------------------------------------------------------------- -func Test_script_emty_line_continuation() +func Test_script_empty_line_continuation() \ endfunc @@ -1707,9 +6505,7 @@ endfunc " Test for deep nesting of if/for/while/try statements {{{1 func Test_deep_nest() - if !CanRunVimInTerminal() - throw 'Skipped: cannot run vim in terminal' - endif + CheckRunVimInTerminal let lines =<< trim [SCRIPT] " Deep nesting of if ... endif @@ -1812,6 +6608,7 @@ func Test_float_conversion_errors() endif endfunc +" invalid function names {{{1 func Test_invalid_function_names() " function name not starting with capital let caught_e128 = 0 @@ -1872,7 +6669,7 @@ func Test_invalid_function_names() call delete('Xscript') endfunc -" substring and variable name +" substring and variable name {{{1 func Test_substring_var() let str = 'abcdef' let n = 3 @@ -1892,6 +6689,20 @@ func Test_substring_var() unlet b:nn endfunc +" Test using s: with a typed command {{{1 +func Test_typed_script_var() + CheckRunVimInTerminal + + let buf = RunVimInTerminal('', {'rows': 6}) + + " Deep nesting of if ... endif + call term_sendkeys(buf, ":echo get(s:, 'foo', 'x')\n") + call TermWait(buf) + call WaitForAssert({-> assert_match('^E116:', term_getline(buf, 5))}) + + call StopVimInTerminal(buf) +endfunc + func Test_for_over_string() let res = '' for c in 'aéc̀d' |