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.

1540d334a0

Co-authored-by: Bram Moolenaar <Bram@vim.org>
This commit is contained in:
zeertzjq
2023-05-05 12:36:47 +08:00
parent 17c8e39f88
commit 5fb6b3431a
2 changed files with 28 additions and 2 deletions

View File

@@ -531,6 +531,11 @@ void f_assert_fails(typval_T *argvars, typval_T *rettv, EvalFuncData fptr)
no_wait_return++;
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);
ga_concat(&ga, "command did not fail: ");
@@ -557,6 +562,9 @@ void f_assert_fails(typval_T *argvars, typval_T *rettv, EvalFuncData fptr)
}
const typval_T *tv = TV_LIST_ITEM_TV(tv_list_first(list));
expected = tv_get_string_buf_chk(tv, buf);
if (expected == NULL) {
goto theend;
}
if (!pattern_match(expected, actual, false)) {
error_found = true;
expected_str = expected;
@@ -565,6 +573,9 @@ void f_assert_fails(typval_T *argvars, typval_T *rettv, EvalFuncData fptr)
tofree = actual = xstrdup(get_vim_var_str(VV_ERRMSG));
tv = TV_LIST_ITEM_TV(tv_list_last(list));
expected = tv_get_string_buf_chk(tv, buf);
if (expected == NULL) {
goto theend;
}
if (!pattern_match(expected, actual, false)) {
error_found = true;
expected_str = expected;

View File

@@ -264,6 +264,21 @@ 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
@@ -278,8 +293,8 @@ 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