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glib: add test for various modes of fopen().

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This is especially to check for Win32 spotty support of "+" modes, such
as "wb+" which has to be replaced by "w+b".
See merge request !119.
This commit is contained in:
Jehan 2018-06-19 22:07:57 +02:00
parent 2b6bfdb125
commit ef4063c74d
1 changed files with 53 additions and 0 deletions
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53
glib/tests/fileutils.c
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@ -952,6 +952,56 @@ test_stdio_wrappers (void)
g_rmdir ("mkdir-test");
}
/* Win32 does not support "wb+", but g_fopen() should automatically
* translate this mode to its alias "w+b".
* Also check various other file open modes for correct support accross
* platforms.
* See: https://gitlab.gnome.org/GNOME/glib/merge_requests/119
*/
static void
test_fopen_modes (void)
{
char *path = g_build_filename ("temp-fopen", NULL);
gsize i;
const gchar *modes[] =
{
"w",
"r",
"a",
"w+",
"r+",
"a+",
"wb",
"rb",
"ab",
"w+b",
"r+b",
"a+b",
"wb+",
"rb+",
"ab+"
};
g_test_bug ("119");
if (g_file_test (path, G_FILE_TEST_EXISTS))
g_error ("failed, %s exists, cannot test g_fopen()", path);
for (i = 0; i < G_N_ELEMENTS (modes); i++)
{
FILE *f;
g_test_message ("Testing fopen() mode '%s'", modes[i]);
f = g_fopen (path, modes[i]);
g_assert_nonnull (f);
fclose (f);
}
g_remove (path);
g_free (path);
}
int
main (int argc,
char *argv[])
@ -959,6 +1009,8 @@ main (int argc,
g_setenv ("LC_ALL", "C", TRUE);
g_test_init (&argc, &argv, NULL);
g_test_bug_base ("https://gitlab.gnome.org/GNOME/glib/merge_requests/");
g_test_add_func ("/fileutils/build-path", test_build_path);
g_test_add_func ("/fileutils/build-pathv", test_build_pathv);
g_test_add_func ("/fileutils/build-filename", test_build_filename);
@ -974,6 +1026,7 @@ main (int argc,
g_test_add_func ("/fileutils/set-contents", test_set_contents);
g_test_add_func ("/fileutils/read-link", test_read_link);
g_test_add_func ("/fileutils/stdio-wrappers", test_stdio_wrappers);
g_test_add_func ("/fileutils/fopen-modes", test_fopen_modes);
return g_test_run ();
}