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patch 8.0.0642: writefile() continues after detecting an error

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Problem:    writefile() continues after detecting an error.
Solution:   Bail out as soon as an error is detected. (suggestions by Nikolai
            Pavlov, closes #1476)
This commit is contained in:
Bram Moolenaar
2017-06-13 19:38:37 +02:00
parent 3ec574f2b5
commit 8cf91286ca
3 changed files with 40 additions and 7 deletions
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21
src/testdir/test_writefile.vim
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@@ -1,5 +1,6 @@
" Tests for the writefile() function.
function! Test_WriteFile()
func Test_writefile()
let f = tempname()
call writefile(["over","written"], f, "b")
call writefile(["hello","world"], f, "b")
@@ -13,4 +14,20 @@ function! Test_WriteFile()
call assert_equal("morning", l[3])
call assert_equal("vimmers", l[4])
call delete(f)
endfunction
endfunc
func Test_writefile_fails_gently()
call assert_fails('call writefile(["test"], "Xfile", [])', 'E730:')
call assert_false(filereadable("Xfile"))
call delete("Xfile")
call assert_fails('call writefile(["test", [], [], [], "tset"], "Xfile")', 'E730:')
call assert_false(filereadable("Xfile"))
call delete("Xfile")
call assert_fails('call writefile([], "Xfile", [])', 'E730:')
call assert_false(filereadable("Xfile"))
call delete("Xfile")
call assert_fails('call writefile([], [])', 'E730:')
endfunc