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Test embedded NULs in input of g_{locale,filename}_to_utf8()

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The tests exercise both g_strncpy() and g_convert() paths.

https://bugzilla.gnome.org/show_bug.cgi?id=792516
This commit is contained in:
Mikhail Zabaluev 2018-01-14 21:44:24 +02:00 committed by Philip Withnall
parent 81cd815406
commit d584ff77f6
1 changed files with 107 additions and 0 deletions
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107
glib/tests/convert.c
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@ -25,6 +25,7 @@
#undef G_DISABLE_ASSERT
#undef G_LOG_DOMAIN
#include <locale.h>
#include <string.h>
#include <glib.h>
@ -683,6 +684,106 @@ test_filename_display (void)
g_free (display);
}
static void
test_locale_embedded_nul (void)
{
g_test_trap_subprocess ("/conversion/locale-embedded-nul/subprocess/utf8", 0, 0);
g_test_trap_assert_passed ();
g_test_trap_subprocess ("/conversion/locale-embedded-nul/subprocess/iconv", 0, 0);
g_test_trap_assert_passed ();
}
/* Test that embedded nul characters in UTF-8 input to g_locale_to_utf8()
* result in an error.
*/
static void
test_locale_embedded_nul_utf8 (void)
{
gchar *res;
gsize bytes_read;
GError *error = NULL;
setlocale (LC_ALL, "");
g_setenv ("CHARSET", "UTF-8", TRUE);
g_assert_true (g_get_charset (NULL));
res = g_locale_to_utf8 ("ab\0c", 4, &bytes_read, NULL, &error);
g_assert_null (res);
g_assert_error (error, G_CONVERT_ERROR, G_CONVERT_ERROR_ILLEGAL_SEQUENCE);
g_assert_cmpuint (bytes_read, ==, 2);
g_error_free (error);
}
/* Test that embedded nul characters in output of g_locale_to_utf8(),
* when converted from non-UTF8 input, result in an error.
*/
static void
test_locale_embedded_nul_iconv (void)
{
gchar *res;
GError *error = NULL;
setlocale (LC_ALL, "C");
g_setenv ("CHARSET", "US-ASCII", TRUE);
g_assert_false (g_get_charset (NULL));
res = g_locale_to_utf8 ("ab\0c", 4, NULL, NULL, &error);
g_assert_null (res);
g_assert_error (error, G_CONVERT_ERROR, G_CONVERT_ERROR_EMBEDDED_NUL);
g_error_free (error);
}
static void
test_filename_embedded_nul (void)
{
g_test_trap_subprocess ("/conversion/filename-embedded-nul/subprocess/utf8", 0, 0);
g_test_trap_assert_passed ();
g_test_trap_subprocess ("/conversion/filename-embedded-nul/subprocess/iconv", 0, 0);
g_test_trap_assert_passed ();
}
/* Test that embedded nul characters in UTF-8 input to g_filename_to_utf8()
* result in an error.
*/
static void
test_filename_embedded_nul_utf8 (void)
{
gchar *res;
gsize bytes_read;
GError *error = NULL;
g_setenv ("G_FILENAME_ENCODING", "UTF-8", TRUE);
g_assert_true (g_get_filename_charsets (NULL));
res = g_filename_to_utf8 ("ab\0c", 4, &bytes_read, NULL, &error);
g_assert_null (res);
g_assert_error (error, G_CONVERT_ERROR, G_CONVERT_ERROR_ILLEGAL_SEQUENCE);
g_assert_cmpuint (bytes_read, ==, 2);
g_error_free (error);
}
/* Test that embedded nul characters in output of g_filename_to_utf8(),
* when converted from non-UTF8 input, result in an error.
*/
static void
test_filename_embedded_nul_iconv (void)
{
gchar *res;
GError *error = NULL;
g_setenv ("G_FILENAME_ENCODING", "US-ASCII", TRUE);
g_assert_false (g_get_filename_charsets (NULL));
res = g_filename_to_utf8 ("ab\0c", 4, NULL, NULL, &error);
g_assert_null (res);
g_assert_error (error, G_CONVERT_ERROR, G_CONVERT_ERROR_EMBEDDED_NUL);
g_error_free (error);
}
static void
test_no_conv (void)
{
@ -712,6 +813,12 @@ main (int argc, char *argv[])
g_test_add_func ("/conversion/unicode", test_unicode_conversions);
g_test_add_func ("/conversion/filename-utf8", test_filename_utf8);
g_test_add_func ("/conversion/filename-display", test_filename_display);
g_test_add_func ("/conversion/locale-embedded-nul", test_locale_embedded_nul);
g_test_add_func ("/conversion/locale-embedded-nul/subprocess/utf8", test_locale_embedded_nul_utf8);
g_test_add_func ("/conversion/locale-embedded-nul/subprocess/iconv", test_locale_embedded_nul_iconv);
g_test_add_func ("/conversion/filename-embedded-nul", test_filename_embedded_nul);
g_test_add_func ("/conversion/filename-embedded-nul/subprocess/utf8", test_filename_embedded_nul_utf8);
g_test_add_func ("/conversion/filename-embedded-nul/subprocess/iconv", test_filename_embedded_nul_iconv);
return g_test_run ();
}