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patch 8.1.0025: no test for the undofile() function

Problem:    No test for the undofile() function.
Solution:   Add test. (Dominique Pelle, closes #2958)
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brammool committed May 26, 2018
1 parent 6b69e5c commit e5fa11186fde4a19e505eba403d3af8c61d11304
Showing with 40 additions and 6 deletions.
  1. +38 −6 src/testdir/test_undo.vim
  2. +2 −0 src/version.c
@@ -85,7 +85,7 @@ endfunc
func FillBuffer()
for i in range(1,13)
put=i
" Set 'undolevels' to split undo.
" Set 'undolevels' to split undo.
exe "setg ul=" . &g:ul
endfor
endfunc
@@ -193,19 +193,19 @@ func Test_undolist()
new
set ul=100
let a=execute('undolist')
let a = execute('undolist')
call assert_equal("\nNothing to undo", a)
" 1 leaf (2 changes).
call feedkeys('achange1', 'xt')
call feedkeys('achange2', 'xt')
let a=execute('undolist')
let a = execute('undolist')
call assert_match("^\nnumber changes when *saved\n *2 *2 .*$", a)
" 2 leaves.
call feedkeys('u', 'xt')
call feedkeys('achange3\<Esc>', 'xt')
let a=execute('undolist')
let a = execute('undolist')
call assert_match("^\nnumber changes when *saved\n *2 *2 *.*\n *3 *2 .*$", a)
close!
endfunc
@@ -339,7 +339,7 @@ endfunc
" Also test this in an empty buffer.
func Test_cmd_in_reg_undo()
enew!
let @a="Ox\<Esc>jAy\<Esc>kdd"
let @a = "Ox\<Esc>jAy\<Esc>kdd"
edit +/^$ test_undo.vim
normal @au
call assert_equal(0, &modified)
@@ -348,7 +348,7 @@ func Test_cmd_in_reg_undo()
normal @au
call assert_equal(0, &modified)
only!
let @a=''
let @a = ''
endfunc
" This used to cause an illegal memory access
@@ -410,3 +410,35 @@ func Test_redo_empty_line()
exe "norm."
bwipe!
endfunc
funct Test_undofile()
" Test undofile() without setting 'undodir'.
if has('persistent_undo')
call assert_equal(fnamemodify('.Xundofoo.un~', ':p'), undofile('Xundofoo'))
else
call assert_equal('', undofile('Xundofoo'))
endif
call assert_equal('', undofile(''))
" Test undofile() with 'undodir' set to to an existing directory.
call mkdir('Xundodir')
set undodir=Xundodir
let cwd = getcwd()
if has('win32')
" Replace windows drive such as C:... into C%...
let cwd = substitute(cwd, '^\([A-Z]\):', '\1%', 'g')
endif
let cwd = substitute(cwd . '/Xundofoo', '/', '%', 'g')
if has('persistent_undo')
call assert_equal('Xundodir/' . cwd, undofile('Xundofoo'))
else
call assert_equal('', undofile('Xundofoo'))
endif
call assert_equal('', undofile(''))
call delete('Xundodir', 'd')
" Test undofile() with 'undodir' set to a non-existing directory.
call assert_equal('', undofile('Xundofoo'))
set undodir&
endfunc
@@ -761,6 +761,8 @@ static char *(features[]) =
static int included_patches[] =
{ /* Add new patch number below this line */
/**/
25,
/**/
24,
/**/

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