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vim-patch:8.2.2340: win_execute() unexpectedly returns number zero when failing

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Problem:    win_execute() unexpectedly returns number zero when failing.
Solution:   Return an empty string. (closes vim/vim#7665)
37487e16da
This commit is contained in:
jing
2021-05-01 10:44:21 +08:00
parent 8fecc5fab8
commit 03b3ff8610
2 changed files with 5 additions and 0 deletions
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3
src/nvim/eval/funcs.c
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@@ -2045,6 +2045,9 @@ static void f_win_execute(typval_T *argvars, typval_T *rettv, FunPtr fptr)
win_T *wp = win_id2wp_tp(argvars, &tp);
win_T *save_curwin;
tabpage_T *save_curtab;
// Return an empty string if something fails.
rettv->v_type = VAR_STRING;
rettv->vval.v_string = NULL;
if (wp != NULL && tp != NULL) {
pos_T curpos = wp->w_cursor;

2
src/nvim/testdir/test_execute_func.vim
View File

@@ -93,6 +93,8 @@ func Test_win_execute()
call win_gotoid(thiswin)
let line = win_execute(otherwin, 'echo getline(1)')
call assert_match('the new window', line)
let line = win_execute(134343, 'echo getline(1)')
call assert_equal('', line)
if has('textprop')
let popupwin = popup_create('the popup win', {'line': 2, 'col': 3})