static const uint16_t utf16[8] = {'a', 'b', 0xD840, 0xDC00, 'd', 'e', 'f', 'g'};
static const uint32_t utf32[7] = {'a', 'b', 0x20000, 'd', 'e', 'f', 'g'};
-typedef struct {
- const char utf8[8];
- const uint32_t codepoints[8];
-} utf8_test_t;
-
-
-/* note: we skip the first and last byte when adding to buffer */
-static const utf8_test_t utf8_tests[] = {
- {"a\303\207", {-1}},
- {"a\303\207b", {0xC7}},
- {"ab\303cd", {'b', -1, 'c'}}
-};
-
-
typedef enum {
BUFFER_EMPTY,
g_assert (hb_buffer_allocation_successful (fixture->b));
}
+
+typedef struct {
+ const char utf8[8];
+ const uint32_t codepoints[8];
+} utf8_test_t;
+
+/* note: we skip the first and last byte when adding to buffer */
+static const utf8_test_t utf8_tests[] = {
+ {"a\303\207", {-1}},
+ {"a\303\207b", {0xC7}},
+ {"ab\303cd", {'b', -1, 'c'}},
+ {"ab\303\302\301cd", {'b', -1, -1, -1, 'c'}}
+};
+
static void
test_buffer_utf8 (gconstpointer user_data)
{
}
+
+/* Following test table is adapted from glib/glib/tests/utf8-validate.c
+ * with relicensing permission from Matthias Clasen. */
+
+typedef struct {
+ const char *text;
+ int max_len;
+ unsigned int offset;
+ gboolean valid;
+} utf8_validity_test_t;
+
+static const utf8_validity_test_t utf8_validity_tests[] = {
+ /* some tests to check max_len handling */
+ /* length 1 */
+ { "abcde", -1, 5, TRUE },
+ { "abcde", 3, 3, TRUE },
+ { "abcde", 5, 5, TRUE },
+ /* length 2 */
+ { "\xc2\xa9\xc2\xa9\xc2\xa9", -1, 6, TRUE },
+ { "\xc2\xa9\xc2\xa9\xc2\xa9", 1, 0, FALSE },
+ { "\xc2\xa9\xc2\xa9\xc2\xa9", 2, 2, TRUE },
+ { "\xc2\xa9\xc2\xa9\xc2\xa9", 3, 2, FALSE },
+ { "\xc2\xa9\xc2\xa9\xc2\xa9", 4, 4, TRUE },
+ { "\xc2\xa9\xc2\xa9\xc2\xa9", 5, 4, FALSE },
+ { "\xc2\xa9\xc2\xa9\xc2\xa9", 6, 6, TRUE },
+ /* length 3 */
+ { "\xe2\x89\xa0\xe2\x89\xa0", -1, 6, TRUE },
+ { "\xe2\x89\xa0\xe2\x89\xa0", 1, 0, FALSE },
+ { "\xe2\x89\xa0\xe2\x89\xa0", 2, 0, FALSE },
+ { "\xe2\x89\xa0\xe2\x89\xa0", 3, 3, TRUE },
+ { "\xe2\x89\xa0\xe2\x89\xa0", 4, 3, FALSE },
+ { "\xe2\x89\xa0\xe2\x89\xa0", 5, 3, FALSE },
+ { "\xe2\x89\xa0\xe2\x89\xa0", 6, 6, TRUE },
+
+ /* examples from http://www.cl.cam.ac.uk/~mgk25/ucs/examples/UTF-8-test.txt */
+ /* greek 'kosme' */
+ { "\xce\xba\xe1\xbd\xb9\xcf\x83\xce\xbc\xce\xb5", -1, 11, TRUE },
+ /* first sequence of each length */
+ { "\x00", -1, 0, TRUE },
+ { "\xc2\x80", -1, 2, TRUE },
+ { "\xe0\xa0\x80", -1, 3, TRUE },
+ { "\xf0\x90\x80\x80", -1, 4, TRUE },
+ { "\xf8\x88\x80\x80\x80", -1, 0, FALSE },
+ { "\xfc\x84\x80\x80\x80\x80", -1, 0, FALSE },
+ /* last sequence of each length */
+ { "\x7f", -1, 1, TRUE },
+ { "\xdf\xbf", -1, 2, TRUE },
+ { "\xef\xbf\xbf", -1, 0, TRUE },
+ { "\xf7\xbf\xbf\xbf", -1, 0, TRUE },
+ { "\xfb\xbf\xbf\xbf\xbf", -1, 0, FALSE },
+ { "\xfd\xbf\xbf\xbf\xbf\xbf", -1, 0, FALSE },
+ /* other boundary conditions */
+ { "\xed\x9f\xbf", -1, 3, TRUE },
+ { "\xee\x80\x80", -1, 3, TRUE },
+ { "\xef\xbf\xbd", -1, 3, TRUE },
+ { "\xf4\x8f\xbf\xbf", -1, 0, TRUE },
+ /* malformed sequences */
+ /* continuation bytes */
+ { "\x80", -1, 0, FALSE },
+ { "\xbf", -1, 0, FALSE },
+ { "\x80\xbf", -1, 0, FALSE },
+ { "\x80\xbf\x80", -1, 0, FALSE },
+ { "\x80\xbf\x80\xbf", -1, 0, FALSE },
+ { "\x80\xbf\x80\xbf\x80", -1, 0, FALSE },
+ { "\x80\xbf\x80\xbf\x80\xbf", -1, 0, FALSE },
+ { "\x80\xbf\x80\xbf\x80\xbf\x80", -1, 0, FALSE },
+
+ /* all possible continuation byte */
+ { "\x80", -1, 0, FALSE },
+ { "\x81", -1, 0, FALSE },
+ { "\x82", -1, 0, FALSE },
+ { "\x83", -1, 0, FALSE },
+ { "\x84", -1, 0, FALSE },
+ { "\x85", -1, 0, FALSE },
+ { "\x86", -1, 0, FALSE },
+ { "\x87", -1, 0, FALSE },
+ { "\x88", -1, 0, FALSE },
+ { "\x89", -1, 0, FALSE },
+ { "\x8a", -1, 0, FALSE },
+ { "\x8b", -1, 0, FALSE },
+ { "\x8c", -1, 0, FALSE },
+ { "\x8d", -1, 0, FALSE },
+ { "\x8e", -1, 0, FALSE },
+ { "\x8f", -1, 0, FALSE },
+ { "\x90", -1, 0, FALSE },
+ { "\x91", -1, 0, FALSE },
+ { "\x92", -1, 0, FALSE },
+ { "\x93", -1, 0, FALSE },
+ { "\x94", -1, 0, FALSE },
+ { "\x95", -1, 0, FALSE },
+ { "\x96", -1, 0, FALSE },
+ { "\x97", -1, 0, FALSE },
+ { "\x98", -1, 0, FALSE },
+ { "\x99", -1, 0, FALSE },
+ { "\x9a", -1, 0, FALSE },
+ { "\x9b", -1, 0, FALSE },
+ { "\x9c", -1, 0, FALSE },
+ { "\x9d", -1, 0, FALSE },
+ { "\x9e", -1, 0, FALSE },
+ { "\x9f", -1, 0, FALSE },
+ { "\xa0", -1, 0, FALSE },
+ { "\xa1", -1, 0, FALSE },
+ { "\xa2", -1, 0, FALSE },
+ { "\xa3", -1, 0, FALSE },
+ { "\xa4", -1, 0, FALSE },
+ { "\xa5", -1, 0, FALSE },
+ { "\xa6", -1, 0, FALSE },
+ { "\xa7", -1, 0, FALSE },
+ { "\xa8", -1, 0, FALSE },
+ { "\xa9", -1, 0, FALSE },
+ { "\xaa", -1, 0, FALSE },
+ { "\xab", -1, 0, FALSE },
+ { "\xac", -1, 0, FALSE },
+ { "\xad", -1, 0, FALSE },
+ { "\xae", -1, 0, FALSE },
+ { "\xaf", -1, 0, FALSE },
+ { "\xb0", -1, 0, FALSE },
+ { "\xb1", -1, 0, FALSE },
+ { "\xb2", -1, 0, FALSE },
+ { "\xb3", -1, 0, FALSE },
+ { "\xb4", -1, 0, FALSE },
+ { "\xb5", -1, 0, FALSE },
+ { "\xb6", -1, 0, FALSE },
+ { "\xb7", -1, 0, FALSE },
+ { "\xb8", -1, 0, FALSE },
+ { "\xb9", -1, 0, FALSE },
+ { "\xba", -1, 0, FALSE },
+ { "\xbb", -1, 0, FALSE },
+ { "\xbc", -1, 0, FALSE },
+ { "\xbd", -1, 0, FALSE },
+ { "\xbe", -1, 0, FALSE },
+ { "\xbf", -1, 0, FALSE },
+ /* lone start characters */
+ { "\xc0\x20", -1, 0, FALSE },
+ { "\xc1\x20", -1, 0, FALSE },
+ { "\xc2\x20", -1, 0, FALSE },
+ { "\xc3\x20", -1, 0, FALSE },
+ { "\xc4\x20", -1, 0, FALSE },
+ { "\xc5\x20", -1, 0, FALSE },
+ { "\xc6\x20", -1, 0, FALSE },
+ { "\xc7\x20", -1, 0, FALSE },
+ { "\xc8\x20", -1, 0, FALSE },
+ { "\xc9\x20", -1, 0, FALSE },
+ { "\xca\x20", -1, 0, FALSE },
+ { "\xcb\x20", -1, 0, FALSE },
+ { "\xcc\x20", -1, 0, FALSE },
+ { "\xcd\x20", -1, 0, FALSE },
+ { "\xce\x20", -1, 0, FALSE },
+ { "\xcf\x20", -1, 0, FALSE },
+ { "\xd0\x20", -1, 0, FALSE },
+ { "\xd1\x20", -1, 0, FALSE },
+ { "\xd2\x20", -1, 0, FALSE },
+ { "\xd3\x20", -1, 0, FALSE },
+ { "\xd4\x20", -1, 0, FALSE },
+ { "\xd5\x20", -1, 0, FALSE },
+ { "\xd6\x20", -1, 0, FALSE },
+ { "\xd7\x20", -1, 0, FALSE },
+ { "\xd8\x20", -1, 0, FALSE },
+ { "\xd9\x20", -1, 0, FALSE },
+ { "\xda\x20", -1, 0, FALSE },
+ { "\xdb\x20", -1, 0, FALSE },
+ { "\xdc\x20", -1, 0, FALSE },
+ { "\xdd\x20", -1, 0, FALSE },
+ { "\xde\x20", -1, 0, FALSE },
+ { "\xdf\x20", -1, 0, FALSE },
+ { "\xe0\x20", -1, 0, FALSE },
+ { "\xe1\x20", -1, 0, FALSE },
+ { "\xe2\x20", -1, 0, FALSE },
+ { "\xe3\x20", -1, 0, FALSE },
+ { "\xe4\x20", -1, 0, FALSE },
+ { "\xe5\x20", -1, 0, FALSE },
+ { "\xe6\x20", -1, 0, FALSE },
+ { "\xe7\x20", -1, 0, FALSE },
+ { "\xe8\x20", -1, 0, FALSE },
+ { "\xe9\x20", -1, 0, FALSE },
+ { "\xea\x20", -1, 0, FALSE },
+ { "\xeb\x20", -1, 0, FALSE },
+ { "\xec\x20", -1, 0, FALSE },
+ { "\xed\x20", -1, 0, FALSE },
+ { "\xee\x20", -1, 0, FALSE },
+ { "\xef\x20", -1, 0, FALSE },
+ { "\xf0\x20", -1, 0, FALSE },
+ { "\xf1\x20", -1, 0, FALSE },
+ { "\xf2\x20", -1, 0, FALSE },
+ { "\xf3\x20", -1, 0, FALSE },
+ { "\xf4\x20", -1, 0, FALSE },
+ { "\xf5\x20", -1, 0, FALSE },
+ { "\xf6\x20", -1, 0, FALSE },
+ { "\xf7\x20", -1, 0, FALSE },
+ { "\xf8\x20", -1, 0, FALSE },
+ { "\xf9\x20", -1, 0, FALSE },
+ { "\xfa\x20", -1, 0, FALSE },
+ { "\xfb\x20", -1, 0, FALSE },
+ { "\xfc\x20", -1, 0, FALSE },
+ { "\xfd\x20", -1, 0, FALSE },
+ /* missing continuation bytes */
+ { "\x20\xc0", -1, 1, FALSE },
+ { "\x20\xe0\x80", -1, 1, FALSE },
+ { "\x20\xf0\x80\x80", -1, 1, FALSE },
+ { "\x20\xf8\x80\x80\x80", -1, 1, FALSE },
+ { "\x20\xfc\x80\x80\x80\x80", -1, 1, FALSE },
+ { "\x20\xdf", -1, 1, FALSE },
+ { "\x20\xef\xbf", -1, 1, FALSE },
+ { "\x20\xf7\xbf\xbf", -1, 1, FALSE },
+ { "\x20\xfb\xbf\xbf\xbf", -1, 1, FALSE },
+ { "\x20\xfd\xbf\xbf\xbf\xbf", -1, 1, FALSE },
+ /* impossible bytes */
+ { "\x20\xfe\x20", -1, 1, FALSE },
+ { "\x20\xff\x20", -1, 1, FALSE },
+#if 0
+ /* XXX fix these, or document that we don't detect them? */
+ /* overlong sequences */
+ { "\x20\xc0\xaf\x20", -1, 1, FALSE },
+ { "\x20\xe0\x80\xaf\x20", -1, 1, FALSE },
+ { "\x20\xf0\x80\x80\xaf\x20", -1, 1, FALSE },
+ { "\x20\xf8\x80\x80\x80\xaf\x20", -1, 1, FALSE },
+ { "\x20\xfc\x80\x80\x80\x80\xaf\x20", -1, 1, FALSE },
+ { "\x20\xc1\xbf\x20", -1, 1, FALSE },
+ { "\x20\xe0\x9f\xbf\x20", -1, 1, FALSE },
+ { "\x20\xf0\x8f\xbf\xbf\x20", -1, 1, FALSE },
+ { "\x20\xf8\x87\xbf\xbf\xbf\x20", -1, 1, FALSE },
+ { "\x20\xfc\x83\xbf\xbf\xbf\xbf\x20", -1, 1, FALSE },
+ { "\x20\xc0\x80\x20", -1, 1, FALSE },
+ { "\x20\xe0\x80\x80\x20", -1, 1, FALSE },
+ { "\x20\xf0\x80\x80\x80\x20", -1, 1, FALSE },
+ { "\x20\xf8\x80\x80\x80\x80\x20", -1, 1, FALSE },
+ { "\x20\xfc\x80\x80\x80\x80\x80\x20", -1, 1, FALSE },
+ /* illegal code positions */
+ { "\x20\xed\xa0\x80\x20", -1, 1, FALSE },
+ { "\x20\xed\xad\xbf\x20", -1, 1, FALSE },
+ { "\x20\xed\xae\x80\x20", -1, 1, FALSE },
+ { "\x20\xed\xaf\xbf\x20", -1, 1, FALSE },
+ { "\x20\xed\xb0\x80\x20", -1, 1, FALSE },
+ { "\x20\xed\xbe\x80\x20", -1, 1, FALSE },
+ { "\x20\xed\xbf\xbf\x20", -1, 1, FALSE },
+ { "\x20\xed\xa0\x80\xed\xb0\x80\x20", -1, 1, FALSE },
+ { "\x20\xed\xa0\x80\xed\xbf\xbf\x20", -1, 1, FALSE },
+ { "\x20\xed\xad\xbf\xed\xb0\x80\x20", -1, 1, FALSE },
+ { "\x20\xed\xad\xbf\xed\xbf\xbf\x20", -1, 1, FALSE },
+ { "\x20\xed\xae\x80\xed\xb0\x80\x20", -1, 1, FALSE },
+ { "\x20\xed\xae\x80\xed\xbf\xbf\x20", -1, 1, FALSE },
+ { "\x20\xed\xaf\xbf\xed\xb0\x80\x20", -1, 1, FALSE },
+ { "\x20\xed\xaf\xbf\xed\xbf\xbf\x20", -1, 1, FALSE },
+ { "\x20\xef\xbf\xbe\x20", -1, 1, FALSE },
+ { "\x20\xef\xbf\xbf\x20", -1, 1, FALSE },
+#endif
+ { "", -1, 0, TRUE }
+};
+
+static void
+test_buffer_utf8_validity (gconstpointer user_data)
+{
+ const utf8_validity_test_t *test = user_data;
+ hb_buffer_t *b;
+ hb_glyph_info_t *glyphs;
+ unsigned int text_bytes, segment_bytes, i, len;
+
+ text_bytes = strlen (test->text);
+ if (test->max_len == -1)
+ segment_bytes = text_bytes;
+ else
+ segment_bytes = test->max_len;
+
+ b = hb_buffer_create (0);
+ hb_buffer_add_utf8 (b, test->text, text_bytes, 0, segment_bytes);
+
+ glyphs = hb_buffer_get_glyph_infos (b, &len);
+ for (i = 0; i < len; i++)
+ if (glyphs[i].codepoint == (hb_codepoint_t) -1)
+ break;
+
+ g_assert (test->valid ? i == len : i < len);
+ if (!test->valid)
+ g_assert (glyphs[i].cluster == test->offset);
+
+ hb_buffer_destroy (b);
+}
+
+
int
main (int argc, char **argv)
{
hb_test_add_data_flavor (&utf8_tests[i], flavor, test_buffer_utf8);
g_free (flavor);
}
- /* XXX test invalid UTF-8 / UTF-16 text input (also overlong sequences) */
+
+ for (i = 0; i < G_N_ELEMENTS (utf8_validity_tests); i++)
+ {
+ char *flavor = g_strdup_printf ("%d", i);
+ hb_test_add_data_flavor (&utf8_validity_tests[i], flavor, test_buffer_utf8_validity);
+ g_free (flavor);
+ }
+
+ /* XXX test invalid UTF-16 text input */
return hb_test_run();
}