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forked from aniani/vim

patch 9.0.0404: crash when passing invalid arguments to assert_fails()

Problem:    Crash when passing invalid arguments to assert_fails().
Solution:   Check for NULL string.
This commit is contained in:
Bram Moolenaar 2022-09-07 15:20:26 +01:00
parent fd7e60a33d
commit 1540d334a0
3 changed files with 28 additions and 2 deletions

View File

@ -275,6 +275,21 @@ func Test_assert_fail_fails()
endtry
call assert_match("E1222: String or List required for argument 2", exp)
try
call assert_equal(0, assert_fails('xxx', [#{one: 1}]))
catch
let exp = v:exception
endtry
call assert_match("E731: Using a Dictionary as a String", exp)
let exp = ''
try
call assert_equal(0, assert_fails('xxx', ['E492', #{one: 1}]))
catch
let exp = v:exception
endtry
call assert_match("E731: Using a Dictionary as a String", exp)
try
call assert_equal(1, assert_fails('xxx', 'E492', '', 'burp'))
catch
@ -289,8 +304,8 @@ func Test_assert_fail_fails()
endtry
call assert_match("E1174: String required for argument 5", exp)
call assert_equal(1, assert_fails('c0', ['', '\1']))
call assert_match("Expected '\\\\\\\\1' but got 'E939: Positive count required: c0': c0", v:errors[0])
call assert_equal(1, assert_fails('c0', ['', '\(.\)\1']))
call assert_match("Expected '\\\\\\\\(.\\\\\\\\)\\\\\\\\1' but got 'E939: Positive count required: c0': c0", v:errors[0])
call remove(v:errors, 0)
endfunc

View File

@ -616,6 +616,11 @@ f_assert_fails(typval_T *argvars, typval_T *rettv)
in_assert_fails = TRUE;
do_cmdline_cmd(cmd);
// reset here for any errors reported below
trylevel = save_trylevel;
suppress_errthrow = FALSE;
if (called_emsg == called_emsg_before)
{
prepare_assert_error(&ga);
@ -654,6 +659,8 @@ f_assert_fails(typval_T *argvars, typval_T *rettv)
CHECK_LIST_MATERIALIZE(list);
tv = &list->lv_first->li_tv;
expected = tv_get_string_buf_chk(tv, buf);
if (expected == NULL)
goto theend;
if (!pattern_match(expected, actual, FALSE))
{
error_found = TRUE;
@ -667,6 +674,8 @@ f_assert_fails(typval_T *argvars, typval_T *rettv)
{
tv = &list->lv_u.mat.lv_last->li_tv;
expected = tv_get_string_buf_chk(tv, buf);
if (expected == NULL)
goto theend;
if (!pattern_match(expected, actual, FALSE))
{
error_found = TRUE;

View File

@ -703,6 +703,8 @@ static char *(features[]) =
static int included_patches[] =
{ /* Add new patch number below this line */
/**/
404,
/**/
403,
/**/