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vim-patch:8.1.0086: no tests for libcall() and libcallnr()

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Problem:    No tests for libcall() and libcallnr().
Solution:   Add tests. (Dominique Pelle, closes vim/vim#2982)
1ceebb4efc
This commit is contained in:
Jan Edmund Lazo 2019-06-20 19:54:08 -04:00
parent 7d604a1e61
commit d4de2cd7c7
1 changed files with 36 additions and 0 deletions
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36
src/nvim/testdir/test_functions.vim
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@ -1140,3 +1140,39 @@ func Test_reg_executing_and_recording()
delfunc s:save_reg_stat
unlet s:reg_stat
endfunc
func Test_libcall_libcallnr()
if !has('libcall')
return
endif
if has('win32')
let libc = 'msvcrt.dll'
elseif has('mac')
let libc = 'libSystem.B.dylib'
else
" On Unix, libc.so can be in various places.
" Interestingly, using an empty string for the 1st argument of libcall
" allows to call functions from libc which is not documented.
let libc = ''
endif
if has('win32')
call assert_equal($USERPROFILE, libcall(libc, 'getenv', 'USERPROFILE'))
else
call assert_equal($HOME, libcall(libc, 'getenv', 'HOME'))
endif
" If function returns NULL, libcall() should return an empty string.
call assert_equal('', libcall(libc, 'getenv', 'X_ENV_DOES_NOT_EXIT'))
" Test libcallnr() with string and integer argument.
call assert_equal(4, libcallnr(libc, 'strlen', 'abcd'))
call assert_equal(char2nr('A'), libcallnr(libc, 'toupper', char2nr('a')))
call assert_fails("call libcall(libc, 'Xdoesnotexist_', '')", 'E364:')
call assert_fails("call libcallnr(libc, 'Xdoesnotexist_', '')", 'E364:')
call assert_fails("call libcall('Xdoesnotexist_', 'getenv', 'HOME')", 'E364:')
call assert_fails("call libcallnr('Xdoesnotexist_', 'strlen', 'abcd')", 'E364:')
endfunc