diff options
Diffstat (limited to 'src/nvim/testdir/test_undo.vim')
| -rw-r--r-- | src/nvim/testdir/test_undo.vim | 253 |
1 files changed, 252 insertions, 1 deletions
diff --git a/src/nvim/testdir/test_undo.vim b/src/nvim/testdir/test_undo.vim index 86674889ef..adcdcb1cd9 100644 --- a/src/nvim/testdir/test_undo.vim +++ b/src/nvim/testdir/test_undo.vim @@ -238,7 +238,37 @@ func Test_undojoin() call assert_equal(['aaaa', 'bbbb', 'cccc'], getline(2, '$')) call feedkeys("u", 'xt') call assert_equal(['aaaa'], getline(2, '$')) - close! + bwipe! +endfunc + +func Test_undojoin_redo() + new + call setline(1, ['first line', 'second line']) + call feedkeys("ixx\<Esc>", 'xt') + call feedkeys(":undojoin | redo\<CR>", 'xt') + call assert_equal('xxfirst line', getline(1)) + call assert_equal('second line', getline(2)) + bwipe! +endfunc + +" undojoin not allowed after undo +func Test_undojoin_after_undo() + new + call feedkeys("ixx\<Esc>u", 'xt') + call assert_fails(':undojoin', 'E790:') + bwipe! +endfunc + +" undojoin is a noop when no change yet, or when 'undolevels' is negative +func Test_undojoin_noop() + new + call feedkeys(":undojoin\<CR>", 'xt') + call assert_equal([''], getline(1, '$')) + setlocal undolevels=-1 + call feedkeys("ixx\<Esc>u", 'xt') + call feedkeys(":undojoin\<CR>", 'xt') + call assert_equal(['xx'], getline(1, '$')) + bwipe! endfunc func Test_undo_write() @@ -327,6 +357,22 @@ func Test_undofile_earlier() call delete('Xundofile') endfunc +func Test_wundo_errors() + new + call setline(1, 'hello') + call assert_fails('wundo! Xdoesnotexist/Xundofile', 'E828:') + bwipe! +endfunc + +func Test_rundo_errors() + call assert_fails('rundo XfileDoesNotExist', 'E822:') + + call writefile(['abc'], 'Xundofile') + call assert_fails('rundo Xundofile', 'E823:') + + call delete('Xundofile') +endfunc + " Test for undo working properly when executing commands from a register. " Also test this in an empty buffer. func Test_cmd_in_reg_undo() @@ -343,6 +389,24 @@ func Test_cmd_in_reg_undo() let @a = '' endfunc +" undo or redo are noop if there is nothing to undo or redo +func Test_undo_redo_noop() + new + call assert_fails('undo 2', 'E830:') + + message clear + undo + let messages = split(execute('message'), "\n") + call assert_equal('Already at oldest change', messages[-1]) + + message clear + redo + let messages = split(execute('message'), "\n") + call assert_equal('Already at newest change', messages[-1]) + + bwipe! +endfunc + func Test_redo_empty_line() new exe "norm\x16r\x160" @@ -443,3 +507,190 @@ func Test_undo_0() bwipe! endfunc + +" Tests for the undo file +" Explicitly break changes up in undo-able pieces by setting 'undolevels'. +func Test_undofile_2() + set undolevels=100 undofile + edit Xtestfile + call append(0, 'this is one line') + call cursor(1, 1) + + " first a simple one-line change. + set undolevels=100 + s/one/ONE/ + set undolevels=100 + write + bwipe! + edit Xtestfile + undo + call assert_equal('this is one line', getline(1)) + + " change in original file fails check + set noundofile + edit! Xtestfile + s/line/Line/ + write + set undofile + bwipe! + edit Xtestfile + undo + call assert_equal('this is ONE Line', getline(1)) + + " add 10 lines, delete 6 lines, undo 3 + set undofile + call setbufline(0, 1, ['one', 'two', 'three', 'four', 'five', 'six', + \ 'seven', 'eight', 'nine', 'ten']) + set undolevels=100 + normal 3Gdd + set undolevels=100 + normal dd + set undolevels=100 + normal dd + set undolevels=100 + normal dd + set undolevels=100 + normal dd + set undolevels=100 + normal dd + set undolevels=100 + write + bwipe! + edit Xtestfile + normal uuu + call assert_equal(['one', 'two', 'six', 'seven', 'eight', 'nine', 'ten'], + \ getline(1, '$')) + + " Test that reading the undofiles when setting undofile works + set noundofile undolevels=0 + exe "normal i\n" + undo + edit! Xtestfile + set undofile undolevels=100 + normal uuuuuu + call assert_equal(['one', 'two', 'three', 'four', 'five', 'six', 'seven', + \ 'eight', 'nine', 'ten'], getline(1, '$')) + + bwipe! + call delete('Xtestfile') + let ufile = has('vms') ? '_un_Xtestfile' : '.Xtestfile.un~' + call delete(ufile) + set undofile& undolevels& +endfunc + +" Test 'undofile' using a file encrypted with 'zip' crypt method +func Test_undofile_cryptmethod_zip() + throw 'skipped: Nvim does not support cryptmethod' + edit Xtestfile + set undofile cryptmethod=zip + call append(0, ['monday', 'tuesday', 'wednesday', 'thursday', 'friday']) + call cursor(5, 1) + + set undolevels=100 + normal kkkdd + set undolevels=100 + normal dd + set undolevels=100 + normal dd + set undolevels=100 + " encrypt the file using key 'foobar' + call feedkeys("foobar\nfoobar\n") + X + write! + bwipe! + + call feedkeys("foobar\n") + edit Xtestfile + set key= + normal uu + call assert_equal(['monday', 'wednesday', 'thursday', 'friday', ''], + \ getline(1, '$')) + + bwipe! + call delete('Xtestfile') + let ufile = has('vms') ? '_un_Xtestfile' : '.Xtestfile.un~' + call delete(ufile) + set undofile& undolevels& cryptmethod& +endfunc + +" Test 'undofile' using a file encrypted with 'blowfish' crypt method +func Test_undofile_cryptmethod_blowfish() + throw 'skipped: Nvim does not support cryptmethod' + edit Xtestfile + set undofile cryptmethod=blowfish + call append(0, ['jan', 'feb', 'mar', 'apr', 'jun']) + call cursor(5, 1) + + set undolevels=100 + exe 'normal kk0ifoo ' + set undolevels=100 + normal dd + set undolevels=100 + exe 'normal ibar ' + set undolevels=100 + " encrypt the file using key 'foobar' + call feedkeys("foobar\nfoobar\n") + X + write! + bwipe! + + call feedkeys("foobar\n") + edit Xtestfile + set key= + call search('bar') + call assert_equal('bar apr', getline('.')) + undo + call assert_equal('apr', getline('.')) + undo + call assert_equal('foo mar', getline('.')) + undo + call assert_equal('mar', getline('.')) + + bwipe! + call delete('Xtestfile') + let ufile = has('vms') ? '_un_Xtestfile' : '.Xtestfile.un~' + call delete(ufile) + set undofile& undolevels& cryptmethod& +endfunc + +" Test 'undofile' using a file encrypted with 'blowfish2' crypt method +func Test_undofile_cryptmethod_blowfish2() + throw 'skipped: Nvim does not support cryptmethod' + edit Xtestfile + set undofile cryptmethod=blowfish2 + call append(0, ['jan', 'feb', 'mar', 'apr', 'jun']) + call cursor(5, 1) + + set undolevels=100 + exe 'normal kk0ifoo ' + set undolevels=100 + normal dd + set undolevels=100 + exe 'normal ibar ' + set undolevels=100 + " encrypt the file using key 'foo2bar' + call feedkeys("foo2bar\nfoo2bar\n") + X + write! + bwipe! + + call feedkeys("foo2bar\n") + edit Xtestfile + set key= + call search('bar') + call assert_equal('bar apr', getline('.')) + normal u + call assert_equal('apr', getline('.')) + normal u + call assert_equal('foo mar', getline('.')) + normal u + call assert_equal('mar', getline('.')) + + bwipe! + call delete('Xtestfile') + let ufile = has('vms') ? '_un_Xtestfile' : '.Xtestfile.un~' + call delete(ufile) + set undofile& undolevels& cryptmethod& +endfunc + +" vim: shiftwidth=2 sts=2 expandtab |