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tests: Add a test for command line option parsing errors

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See https://gitlab.gnome.org/GNOME/glib/-/merge_requests/4387#note_2269326

Signed-off-by: Philip Withnall <pwithnall@gnome.org>
This commit is contained in:
Philip Withnall 2025-02-05 17:01:20 +00:00
parent 7dca1fb094
commit 84e26432c8
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1 changed files with 61 additions and 0 deletions
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61
glib/tests/option-context.c
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@ -25,6 +25,7 @@
#include <glib.h>
#include <stdlib.h>
#include <stdint.h>
#include <stdio.h>
#include <string.h>
#include <locale.h>
@ -2595,6 +2596,63 @@ double_zero (void)
g_option_context_free (context);
}
static void
test_parsing_errors (void)
{
GOptionContext *context = NULL;
double test_double = 123.0;
int test_int = 123;
int64_t test_int64 = 123;
const GOptionEntry entries[] = {
{ "double", 0, 0, G_OPTION_ARG_DOUBLE, &test_double, NULL, NULL },
{ "int", 0, 0, G_OPTION_ARG_INT, &test_int, NULL, NULL },
{ "int64", 0, 0, G_OPTION_ARG_INT64, &test_int64, NULL, NULL },
G_OPTION_ENTRY_NULL
};
const char *test_cmds[] = {
"program --double abc",
"program --double 2e309",
"program --int abc",
"program --int 99999999999999999999999999999999999",
"program --int64 abc",
"program --int64 99999999999999999999999999999999999",
};
context = g_option_context_new (NULL);
g_option_context_add_main_entries (context, entries, NULL);
/* Now try parsing */
for (size_t i = 0; i < G_N_ELEMENTS (test_cmds); i++)
{
gboolean retval;
GError *local_error = NULL;
char **argv = NULL, **argv_copy = NULL;
int argc;
g_test_message ("Testing command: %s", test_cmds[i]);
argv = split_string (test_cmds[i], &argc);
argv_copy = copy_stringv (argv, argc);
retval = g_option_context_parse (context, &argc, &argv, &local_error);
g_assert_error (local_error, G_OPTION_ERROR, G_OPTION_ERROR_BAD_VALUE);
g_assert_false (retval);
/* An error occurred, so argv has not been changed */
check_identical_stringv (argv_copy, argv);
g_clear_error (&local_error);
/* On failure, values should be reset */
g_assert_cmpfloat (test_double, ==, 123.0);
g_assert_cmpint (test_int, ==, 123);
g_assert_cmpint (test_int64, ==, 123);
g_strfreev (argv_copy);
g_free (argv);
}
g_option_context_free (context);
}
int
main (int argc,
char *argv[])
@ -2709,5 +2767,8 @@ main (int argc,
g_test_add_func ("/option/bug/double-free", double_free);
g_test_add_func ("/option/bug/double-zero", double_zero);
/* Parsing errors */
g_test_add_func ("/option/parsing-errors", test_parsing_errors);
return g_test_run();
}