vim-patch:8.0.1224: still interference between test functions

Problem:    Still interference between test functions.
Solution:   Clear autocommands. Wipe all buffers.  Fix tests that depend on a
            specific start context.

https://github.com/vim/vim/commit/cf1ba35fc2ebd41b9a7738bbd1f026f5311560aa

7 files changed, 27 insertions, 23 deletions

diff --git a/src/nvim/testdir/runtest.vim b/src/nvim/testdir/runtest.vim
index 1f23530d82..890dc34030 100644
--- a/src/nvim/testdir/runtest.vim
+++ b/src/nvim/testdir/runtest.vim
@@ -4,7 +4,7 @@
 "
 " To execute only specific test functions, add a second argument.  It will be
 " matched against the names of the Test_ function.  E.g.:
-"   ../vim -u NONE -S runtest.vim test_channel.vim open_delay
+"	../vim -u NONE -S runtest.vim test_channel.vim open_delay
 " The output can be found in the "messages" file.
 "
 " The test script may contain anything, only functions that start with
@@ -83,6 +83,11 @@ endfunc
 
 func RunTheTest(test)
   echo 'Executing ' . a:test
+
+  " Some tests wipe out buffers.  To be consistent, always wipe out all
+  " buffers.
+  %bwipe!
+
   if exists("*SetUp")
     try
       call SetUp()
@@ -110,9 +115,12 @@ func RunTheTest(test)
     endtry
   endif
 
+  " Clear any autocommands
+  au!
+
   " Close any extra tab pages and windows and make the current one not modified.
   while tabpagenr('$') > 1
-    bwipe!
+    quit!
   endwhile
 
   while 1
@@ -127,15 +135,6 @@ func RunTheTest(test)
       break
     endif
   endwhile
-
-  " Wipe out all buffers except the current one, then wipe the current one.
-  for nr in range(1, bufnr('$'))
-    if nr != bufnr('%') && bufexists(nr)
-      exe nr . 'bwipe!'
-    endif
-  endfor
-  set nomodified
-  bwipe
 endfunc
 
 func AfterTheTest()
@@ -214,8 +213,8 @@ endif
 
 " Names of flaky tests.
 let s:flaky = [
-      \ 'Test_with_partial_callback()',
       \ 'Test_oneshot()',
+      \ 'Test_with_partial_callback()',
       \ 'Test_lambda_with_timer()',
       \ ]
 
diff --git a/src/nvim/testdir/test_bufwintabinfo.vim b/src/nvim/testdir/test_bufwintabinfo.vim
index 1c9350c416..a592cd7b11 100644
--- a/src/nvim/testdir/test_bufwintabinfo.vim
+++ b/src/nvim/testdir/test_bufwintabinfo.vim
@@ -1,7 +1,6 @@
 " Tests for the getbufinfo(), getwininfo() and gettabinfo() functions
 
 function Test_getbufwintabinfo()
-    1,$bwipeout
     edit Xtestfile1
     edit Xtestfile2
     let buflist = getbufinfo()
diff --git a/src/nvim/testdir/test_command_count.vim b/src/nvim/testdir/test_command_count.vim
index e438a8b077..2d793ed88f 100644
--- a/src/nvim/testdir/test_command_count.vim
+++ b/src/nvim/testdir/test_command_count.vim
@@ -1,6 +1,7 @@
 " Test for user command counts.
 
 func Test_command_count_0()
+  let bufnr = bufnr('%')
   set hidden
   set noswapfile
 
@@ -15,17 +16,17 @@ func Test_command_count_0()
   command! -range=% -addr=buffers RangeBuffersAll :let lines = [<line1>, <line2>]
 
   .,$RangeLoadedBuffers
-  call assert_equal([1, 1], lines)
+  call assert_equal([bufnr, bufnr], lines)
   %RangeLoadedBuffers
-  call assert_equal([1, 1], lines)
+  call assert_equal([bufnr, bufnr], lines)
   RangeLoadedBuffersAll
-  call assert_equal([1, 1], lines)
+  call assert_equal([bufnr, bufnr], lines)
   .,$RangeBuffers
-  call assert_equal([1, lastbuf], lines)
+  call assert_equal([bufnr, lastbuf], lines)
   %RangeBuffers
-  call assert_equal([1, lastbuf], lines)
+  call assert_equal([bufnr, lastbuf], lines)
   RangeBuffersAll
-  call assert_equal([1, lastbuf], lines)
+  call assert_equal([bufnr, lastbuf], lines)
 
   delcommand RangeLoadedBuffers
   delcommand RangeLoadedBuffersAll
@@ -138,6 +139,7 @@ func Test_command_count_2()
 endfunc
 
 func Test_command_count_3()
+  let bufnr = bufnr('%')
   se nohidden
   e aaa
   let buf_aaa = bufnr('%')
@@ -145,7 +147,7 @@ func Test_command_count_3()
   let buf_bbb = bufnr('%')
   e ccc
   let buf_ccc = bufnr('%')
-  buf 1
+  exe bufnr . 'buf'
   call assert_equal([1, 1, 1], [buflisted(buf_aaa), buflisted(buf_bbb), buflisted(buf_ccc)])
   exe buf_bbb . "," . buf_ccc . "bdelete"
   call assert_equal([1, 0, 0], [buflisted(buf_aaa), buflisted(buf_bbb), buflisted(buf_ccc)])
@@ -155,7 +157,7 @@ endfunc
 
 func Test_command_count_4()
   %argd
-  let bufnr = bufnr('$') + 1
+  let bufnr = bufnr('$')
   arga aa bb cc dd ee ff
   3argu
   let args = []
@@ -171,6 +173,8 @@ func Test_command_count_4()
   only!
 
   exe bufnr . 'buf'
+  bnext
+  let bufnr = bufnr('%')
   let buffers = []
   .,$-bufdo call add(buffers, bufnr('%'))
   call assert_equal([bufnr, bufnr + 1, bufnr + 2, bufnr + 3, bufnr + 4], buffers)
diff --git a/src/nvim/testdir/test_hardcopy.vim b/src/nvim/testdir/test_hardcopy.vim
index ea9790d134..7aea704e86 100644
--- a/src/nvim/testdir/test_hardcopy.vim
+++ b/src/nvim/testdir/test_hardcopy.vim
@@ -50,6 +50,7 @@ endfunc
 " We don't check much of the contents.
 func Test_with_syntax()
   if has('postscript')
+    edit test_hardcopy.vim
     set printoptions=syntax:y
     syn on
     hardcopy > Xhardcopy
diff --git a/src/nvim/testdir/test_ins_complete.vim b/src/nvim/testdir/test_ins_complete.vim
index 2dd2fb7536..bdad26a8c7 100644
--- a/src/nvim/testdir/test_ins_complete.vim
+++ b/src/nvim/testdir/test_ins_complete.vim
@@ -1,6 +1,7 @@
 
 " Test for insert expansion
 func Test_ins_complete()
+  edit test_ins_complete.vim
   set ff=unix
   call writefile(["test11\t36Gepeto\t/Tag/",
 	      \ "asd\ttest11file\t36G",
diff --git a/src/nvim/testdir/test_quickfix.vim b/src/nvim/testdir/test_quickfix.vim
index 95a7d29089..dd177fd633 100644
--- a/src/nvim/testdir/test_quickfix.vim
+++ b/src/nvim/testdir/test_quickfix.vim
@@ -151,7 +151,7 @@ endfunc
 func XageTests(cchar)
   call s:setup_commands(a:cchar)
 
-  let list = [{'bufnr': 1, 'lnum': 1}]
+  let list = [{'bufnr': bufnr('%'), 'lnum': 1}]
   call g:Xsetlist(list)
 
   " Jumping to a non existent list should return error
diff --git a/src/nvim/testdir/test_signs.vim b/src/nvim/testdir/test_signs.vim
index 75dbd74b34..a967435346 100644
--- a/src/nvim/testdir/test_signs.vim
+++ b/src/nvim/testdir/test_signs.vim
@@ -182,7 +182,7 @@ func Test_sign_invalid_commands()
   call assert_fails('sign define Sign1 xxx', 'E475:')
   call assert_fails('sign undefine', 'E156:')
   call assert_fails('sign list xxx', 'E155:')
-  call assert_fails('sign place 1 buffer=', 'E158:')
+  call assert_fails('sign place 1 buffer=999', 'E158:')
   call assert_fails('sign define Sign2 text=', 'E239:')
 endfunc