| /* |
| * Copyright © 2011 Google, Inc. |
| * |
| * This is part of HarfBuzz, a text shaping library. |
| * |
| * Permission is hereby granted, without written agreement and without |
| * license or royalty fees, to use, copy, modify, and distribute this |
| * software and its documentation for any purpose, provided that the |
| * above copyright notice and the following two paragraphs appear in |
| * all copies of this software. |
| * |
| * IN NO EVENT SHALL THE COPYRIGHT HOLDER BE LIABLE TO ANY PARTY FOR |
| * DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES |
| * ARISING OUT OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN |
| * IF THE COPYRIGHT HOLDER HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH |
| * DAMAGE. |
| * |
| * THE COPYRIGHT HOLDER SPECIFICALLY DISCLAIMS ANY WARRANTIES, INCLUDING, |
| * BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND |
| * FITNESS FOR A PARTICULAR PURPOSE. THE SOFTWARE PROVIDED HEREUNDER IS |
| * ON AN "AS IS" BASIS, AND THE COPYRIGHT HOLDER HAS NO OBLIGATION TO |
| * PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS. |
| * |
| * Google Author(s): Behdad Esfahbod |
| */ |
| |
| #include "hb-test.h" |
| |
| /* Unit tests for hb-buffer.h */ |
| |
| |
| static const char utf8[10] = "ab\360\240\200\200defg"; |
| 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 enum { |
| BUFFER_EMPTY, |
| BUFFER_ONE_BY_ONE, |
| BUFFER_UTF32, |
| BUFFER_UTF16, |
| BUFFER_UTF8, |
| BUFFER_NUM_TYPES, |
| } buffer_type_t; |
| |
| static const char *buffer_names[] = { |
| "empty", |
| "one-by-one", |
| "utf32", |
| "utf16", |
| "utf8" |
| }; |
| |
| typedef struct |
| { |
| hb_buffer_t *buffer; |
| } fixture_t; |
| |
| static void |
| fixture_init (fixture_t *fixture, gconstpointer user_data) |
| { |
| hb_buffer_t *b; |
| unsigned int i; |
| |
| b = fixture->buffer = hb_buffer_create (); |
| |
| switch (GPOINTER_TO_INT (user_data)) |
| { |
| case BUFFER_EMPTY: |
| break; |
| |
| case BUFFER_ONE_BY_ONE: |
| for (i = 1; i < G_N_ELEMENTS (utf32) - 1; i++) |
| hb_buffer_add (b, utf32[i], i); |
| break; |
| |
| case BUFFER_UTF32: |
| hb_buffer_add_utf32 (b, utf32, G_N_ELEMENTS (utf32), 1, G_N_ELEMENTS (utf32) - 2); |
| break; |
| |
| case BUFFER_UTF16: |
| hb_buffer_add_utf16 (b, utf16, G_N_ELEMENTS (utf16), 1, G_N_ELEMENTS (utf16) - 2); |
| break; |
| |
| case BUFFER_UTF8: |
| hb_buffer_add_utf8 (b, utf8, G_N_ELEMENTS (utf8), 1, G_N_ELEMENTS (utf8) - 2); |
| break; |
| |
| default: |
| g_assert_not_reached (); |
| } |
| } |
| |
| static void |
| fixture_finish (fixture_t *fixture, gconstpointer user_data) |
| { |
| hb_buffer_destroy (fixture->buffer); |
| } |
| |
| |
| static void |
| test_buffer_properties (fixture_t *fixture, gconstpointer user_data) |
| { |
| hb_buffer_t *b = fixture->buffer; |
| hb_unicode_funcs_t *ufuncs; |
| |
| /* test default properties */ |
| |
| g_assert (hb_buffer_get_unicode_funcs (b) == hb_unicode_funcs_get_default ()); |
| g_assert (hb_buffer_get_direction (b) == HB_DIRECTION_INVALID); |
| g_assert (hb_buffer_get_script (b) == HB_SCRIPT_INVALID); |
| g_assert (hb_buffer_get_language (b) == NULL); |
| g_assert (hb_buffer_get_flags (b) == HB_BUFFER_FLAGS_DEFAULT); |
| |
| |
| /* test property changes are retained */ |
| ufuncs = hb_unicode_funcs_create (NULL); |
| hb_buffer_set_unicode_funcs (b, ufuncs); |
| hb_unicode_funcs_destroy (ufuncs); |
| g_assert (hb_buffer_get_unicode_funcs (b) == ufuncs); |
| |
| hb_buffer_set_direction (b, HB_DIRECTION_RTL); |
| g_assert (hb_buffer_get_direction (b) == HB_DIRECTION_RTL); |
| |
| hb_buffer_set_script (b, HB_SCRIPT_ARABIC); |
| g_assert (hb_buffer_get_script (b) == HB_SCRIPT_ARABIC); |
| |
| hb_buffer_set_language (b, hb_language_from_string ("fa", -1)); |
| g_assert (hb_buffer_get_language (b) == hb_language_from_string ("Fa", -1)); |
| |
| hb_buffer_set_flags (b, HB_BUFFER_FLAG_BOT); |
| g_assert (hb_buffer_get_flags (b) == HB_BUFFER_FLAG_BOT); |
| |
| |
| |
| /* test clear clears all properties but unicode_funcs */ |
| |
| hb_buffer_clear_contents (b); |
| |
| g_assert (hb_buffer_get_unicode_funcs (b) == ufuncs); |
| g_assert (hb_buffer_get_direction (b) == HB_DIRECTION_INVALID); |
| g_assert (hb_buffer_get_script (b) == HB_SCRIPT_INVALID); |
| g_assert (hb_buffer_get_language (b) == NULL); |
| g_assert (hb_buffer_get_flags (b) == HB_BUFFER_FLAGS_DEFAULT); |
| |
| |
| /* test reset clears all properties */ |
| |
| hb_buffer_set_direction (b, HB_DIRECTION_RTL); |
| g_assert (hb_buffer_get_direction (b) == HB_DIRECTION_RTL); |
| |
| hb_buffer_set_script (b, HB_SCRIPT_ARABIC); |
| g_assert (hb_buffer_get_script (b) == HB_SCRIPT_ARABIC); |
| |
| hb_buffer_set_language (b, hb_language_from_string ("fa", -1)); |
| g_assert (hb_buffer_get_language (b) == hb_language_from_string ("Fa", -1)); |
| |
| hb_buffer_set_flags (b, HB_BUFFER_FLAG_BOT); |
| g_assert (hb_buffer_get_flags (b) == HB_BUFFER_FLAG_BOT); |
| |
| hb_buffer_reset (b); |
| |
| g_assert (hb_buffer_get_unicode_funcs (b) == hb_unicode_funcs_get_default ()); |
| g_assert (hb_buffer_get_direction (b) == HB_DIRECTION_INVALID); |
| g_assert (hb_buffer_get_script (b) == HB_SCRIPT_INVALID); |
| g_assert (hb_buffer_get_language (b) == NULL); |
| g_assert (hb_buffer_get_flags (b) == HB_BUFFER_FLAGS_DEFAULT); |
| } |
| |
| static void |
| test_buffer_contents (fixture_t *fixture, gconstpointer user_data) |
| { |
| hb_buffer_t *b = fixture->buffer; |
| unsigned int i, len, len2; |
| buffer_type_t buffer_type = GPOINTER_TO_INT (user_data); |
| hb_glyph_info_t *glyphs; |
| |
| if (buffer_type == BUFFER_EMPTY) { |
| g_assert_cmpint (hb_buffer_get_length (b), ==, 0); |
| return; |
| } |
| |
| len = hb_buffer_get_length (b); |
| hb_buffer_get_glyph_infos (b, NULL); /* test NULL */ |
| glyphs = hb_buffer_get_glyph_infos (b, &len2); |
| g_assert_cmpint (len, ==, len2); |
| g_assert_cmpint (len, ==, 5); |
| |
| for (i = 0; i < len; i++) { |
| g_assert_cmphex (glyphs[i].mask, ==, 1); |
| g_assert_cmphex (glyphs[i].var1.u32, ==, 0); |
| g_assert_cmphex (glyphs[i].var2.u32, ==, 0); |
| } |
| |
| for (i = 0; i < len; i++) { |
| unsigned int cluster; |
| cluster = 1+i; |
| if (i >= 2) { |
| if (buffer_type == BUFFER_UTF16) |
| cluster++; |
| else if (buffer_type == BUFFER_UTF8) |
| cluster += 3; |
| } |
| g_assert_cmphex (glyphs[i].codepoint, ==, utf32[1+i]); |
| g_assert_cmphex (glyphs[i].cluster, ==, cluster); |
| } |
| |
| /* reverse, test, and reverse back */ |
| |
| hb_buffer_reverse (b); |
| for (i = 0; i < len; i++) |
| g_assert_cmphex (glyphs[i].codepoint, ==, utf32[len-i]); |
| |
| hb_buffer_reverse (b); |
| for (i = 0; i < len; i++) |
| g_assert_cmphex (glyphs[i].codepoint, ==, utf32[1+i]); |
| |
| /* reverse_clusters works same as reverse for now since each codepoint is |
| * in its own cluster */ |
| |
| hb_buffer_reverse_clusters (b); |
| for (i = 0; i < len; i++) |
| g_assert_cmphex (glyphs[i].codepoint, ==, utf32[len-i]); |
| |
| hb_buffer_reverse_clusters (b); |
| for (i = 0; i < len; i++) |
| g_assert_cmphex (glyphs[i].codepoint, ==, utf32[1+i]); |
| |
| /* now form a cluster and test again */ |
| glyphs[2].cluster = glyphs[1].cluster; |
| |
| /* reverse, test, and reverse back */ |
| |
| hb_buffer_reverse (b); |
| for (i = 0; i < len; i++) |
| g_assert_cmphex (glyphs[i].codepoint, ==, utf32[len-i]); |
| |
| hb_buffer_reverse (b); |
| for (i = 0; i < len; i++) |
| g_assert_cmphex (glyphs[i].codepoint, ==, utf32[1+i]); |
| |
| /* reverse_clusters twice still should return the original string, |
| * but when applied once, the 1-2 cluster should be retained. */ |
| |
| hb_buffer_reverse_clusters (b); |
| for (i = 0; i < len; i++) { |
| unsigned int j = len-1-i; |
| if (j == 1) |
| j = 2; |
| else if (j == 2) |
| j = 1; |
| g_assert_cmphex (glyphs[i].codepoint, ==, utf32[1+j]); |
| } |
| |
| hb_buffer_reverse_clusters (b); |
| for (i = 0; i < len; i++) |
| g_assert_cmphex (glyphs[i].codepoint, ==, utf32[1+i]); |
| |
| |
| /* test setting length */ |
| |
| /* enlarge */ |
| g_assert (hb_buffer_set_length (b, 10)); |
| glyphs = hb_buffer_get_glyph_infos (b, NULL); |
| g_assert_cmpint (hb_buffer_get_length (b), ==, 10); |
| for (i = 0; i < 5; i++) |
| g_assert_cmphex (glyphs[i].codepoint, ==, utf32[1+i]); |
| for (i = 5; i < 10; i++) |
| g_assert_cmphex (glyphs[i].codepoint, ==, 0); |
| /* shrink */ |
| g_assert (hb_buffer_set_length (b, 3)); |
| glyphs = hb_buffer_get_glyph_infos (b, NULL); |
| g_assert_cmpint (hb_buffer_get_length (b), ==, 3); |
| for (i = 0; i < 3; i++) |
| g_assert_cmphex (glyphs[i].codepoint, ==, utf32[1+i]); |
| |
| |
| g_assert (hb_buffer_allocation_successful (b)); |
| |
| |
| /* test reset clears content */ |
| |
| hb_buffer_reset (b); |
| g_assert_cmpint (hb_buffer_get_length (b), ==, 0); |
| } |
| |
| static void |
| test_buffer_positions (fixture_t *fixture, gconstpointer user_data) |
| { |
| hb_buffer_t *b = fixture->buffer; |
| unsigned int i, len, len2; |
| hb_glyph_position_t *positions; |
| |
| /* Without shaping, positions should all be zero */ |
| len = hb_buffer_get_length (b); |
| hb_buffer_get_glyph_positions (b, NULL); /* test NULL */ |
| positions = hb_buffer_get_glyph_positions (b, &len2); |
| g_assert_cmpint (len, ==, len2); |
| for (i = 0; i < len; i++) { |
| g_assert_cmpint (0, ==, positions[i].x_advance); |
| g_assert_cmpint (0, ==, positions[i].y_advance); |
| g_assert_cmpint (0, ==, positions[i].x_offset); |
| g_assert_cmpint (0, ==, positions[i].y_offset); |
| g_assert_cmpint (0, ==, positions[i].var.i32); |
| } |
| |
| /* test reset clears content */ |
| hb_buffer_reset (b); |
| g_assert_cmpint (hb_buffer_get_length (b), ==, 0); |
| } |
| |
| static void |
| test_buffer_allocation (fixture_t *fixture, gconstpointer user_data) |
| { |
| hb_buffer_t *b = fixture->buffer; |
| |
| g_assert_cmpint (hb_buffer_get_length (b), ==, 0); |
| |
| g_assert (hb_buffer_pre_allocate (b, 100)); |
| g_assert_cmpint (hb_buffer_get_length (b), ==, 0); |
| g_assert (hb_buffer_allocation_successful (b)); |
| |
| /* lets try a huge allocation, make sure it fails */ |
| g_assert (!hb_buffer_pre_allocate (b, (unsigned int) -1)); |
| g_assert_cmpint (hb_buffer_get_length (b), ==, 0); |
| g_assert (!hb_buffer_allocation_successful (b)); |
| |
| /* small one again */ |
| g_assert (hb_buffer_pre_allocate (b, 50)); |
| g_assert_cmpint (hb_buffer_get_length (b), ==, 0); |
| g_assert (!hb_buffer_allocation_successful (b)); |
| |
| hb_buffer_reset (b); |
| g_assert (hb_buffer_allocation_successful (b)); |
| |
| /* all allocation and size */ |
| g_assert (!hb_buffer_pre_allocate (b, ((unsigned int) -1) / 20 + 1)); |
| g_assert (!hb_buffer_allocation_successful (b)); |
| |
| hb_buffer_reset (b); |
| g_assert (hb_buffer_allocation_successful (b)); |
| |
| /* technically, this one can actually pass on 64bit machines, but |
| * I'm doubtful that any malloc allows 4GB allocations at a time. |
| * But let's only enable it on a 32-bit machine. */ |
| if (sizeof (long) == 4) { |
| g_assert (!hb_buffer_pre_allocate (b, ((unsigned int) -1) / 20 - 1)); |
| g_assert (!hb_buffer_allocation_successful (b)); |
| } |
| |
| hb_buffer_reset (b); |
| g_assert (hb_buffer_allocation_successful (b)); |
| } |
| |
| |
| typedef struct { |
| const char utf8[8]; |
| const uint32_t codepoints[8]; |
| } utf8_conversion_test_t; |
| |
| /* note: we skip the first and last byte when adding to buffer */ |
| static const utf8_conversion_test_t utf8_conversion_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_conversion (void) |
| { |
| hb_buffer_t *b; |
| hb_glyph_info_t *glyphs; |
| unsigned int bytes, chars, i, j, len; |
| |
| b = hb_buffer_create (); |
| |
| for (i = 0; i < G_N_ELEMENTS (utf8_conversion_tests); i++) |
| { |
| const utf8_conversion_test_t *test = &utf8_conversion_tests[i]; |
| char *escaped; |
| |
| escaped = g_strescape (test->utf8, NULL); |
| g_test_message ("UTF-8 test #%d: %s", i, escaped); |
| g_free (escaped); |
| |
| bytes = strlen (test->utf8); |
| for (chars = 0; test->codepoints[chars]; chars++) |
| ; |
| |
| hb_buffer_reset (b); |
| hb_buffer_add_utf8 (b, test->utf8, bytes, 1, bytes - 2); |
| |
| glyphs = hb_buffer_get_glyph_infos (b, &len); |
| g_assert_cmpint (len, ==, chars); |
| for (j = 0; j < chars; j++) |
| g_assert_cmphex (glyphs[j].codepoint, ==, test->codepoints[j]); |
| } |
| |
| hb_buffer_destroy (b); |
| } |
| |
| |
| |
| /* Following test table is adapted from glib/glib/tests/utf8-validate.c |
| * with relicensing permission from Matthias Clasen. */ |
| |
| typedef struct { |
| const char *utf8; |
| 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 (void) |
| { |
| hb_buffer_t *b; |
| unsigned int i; |
| |
| b = hb_buffer_create (); |
| |
| for (i = 0; i < G_N_ELEMENTS (utf8_validity_tests); i++) |
| { |
| const utf8_validity_test_t *test = &utf8_validity_tests[i]; |
| unsigned int text_bytes, segment_bytes, j, len; |
| hb_glyph_info_t *glyphs; |
| char *escaped; |
| |
| escaped = g_strescape (test->utf8, NULL); |
| g_test_message ("UTF-8 test #%d: %s", i, escaped); |
| g_free (escaped); |
| |
| text_bytes = strlen (test->utf8); |
| if (test->max_len == -1) |
| segment_bytes = text_bytes; |
| else |
| segment_bytes = test->max_len; |
| |
| hb_buffer_reset (b); |
| hb_buffer_add_utf8 (b, test->utf8, text_bytes, 0, segment_bytes); |
| |
| glyphs = hb_buffer_get_glyph_infos (b, &len); |
| for (j = 0; j < len; j++) |
| if (glyphs[j].codepoint == (hb_codepoint_t) -1) |
| break; |
| |
| g_assert (test->valid ? j == len : j < len); |
| if (!test->valid) |
| g_assert (glyphs[j].cluster == test->offset); |
| } |
| |
| hb_buffer_destroy (b); |
| } |
| |
| |
| typedef struct { |
| const uint16_t utf16[8]; |
| const uint32_t codepoints[8]; |
| } utf16_conversion_test_t; |
| |
| /* note: we skip the first and last item from utf16 when adding to buffer */ |
| static const utf16_conversion_test_t utf16_conversion_tests[] = { |
| {{0x41, 0x004D, 0x0430, 0x4E8C, 0xD800, 0xDF02, 0x61} , {0x004D, 0x0430, 0x4E8C, 0x10302}}, |
| {{0x41, 0xD800, 0xDF02, 0x61}, {0x10302}}, |
| {{0x41, 0xD800, 0xDF02}, {-1}}, |
| {{0x41, 0x61, 0xD800, 0xDF02}, {0x61, -1}}, |
| {{0x41, 0xD800, 0x61, 0xDF02}, {-1, 0x61}}, |
| {{0x41, 0x61}, {}} |
| }; |
| |
| static void |
| test_buffer_utf16_conversion (void) |
| { |
| hb_buffer_t *b; |
| unsigned int i; |
| |
| b = hb_buffer_create (); |
| |
| for (i = 0; i < G_N_ELEMENTS (utf16_conversion_tests); i++) |
| { |
| const utf16_conversion_test_t *test = &utf16_conversion_tests[i]; |
| unsigned int u_len, chars, j, len; |
| hb_glyph_info_t *glyphs; |
| |
| g_test_message ("UTF-16 test #%d", i); |
| |
| for (u_len = 0; test->utf16[u_len]; u_len++) |
| ; |
| for (chars = 0; test->codepoints[chars]; chars++) |
| ; |
| |
| hb_buffer_reset (b); |
| hb_buffer_add_utf16 (b, test->utf16, u_len, 1, u_len - 2); |
| |
| glyphs = hb_buffer_get_glyph_infos (b, &len); |
| g_assert_cmpint (len, ==, chars); |
| for (j = 0; j < chars; j++) |
| g_assert_cmphex (glyphs[j].codepoint, ==, test->codepoints[j]); |
| } |
| |
| hb_buffer_destroy (b); |
| } |
| |
| static void |
| test_empty (hb_buffer_t *b) |
| { |
| g_assert_cmpint (hb_buffer_get_length (b), ==, 0); |
| g_assert (!hb_buffer_get_glyph_infos (b, NULL)); |
| g_assert (!hb_buffer_get_glyph_positions (b, NULL)); |
| } |
| |
| static void |
| test_buffer_empty (void) |
| { |
| hb_buffer_t *b = hb_buffer_get_empty (); |
| |
| g_assert (hb_buffer_get_empty ()); |
| g_assert (hb_buffer_get_empty () == b); |
| |
| g_assert (!hb_buffer_allocation_successful (b)); |
| |
| test_empty (b); |
| |
| hb_buffer_add_utf32 (b, utf32, G_N_ELEMENTS (utf32), 1, G_N_ELEMENTS (utf32) - 2); |
| |
| test_empty (b); |
| |
| hb_buffer_reverse (b); |
| hb_buffer_reverse_clusters (b); |
| |
| g_assert (!hb_buffer_set_length (b, 10)); |
| |
| test_empty (b); |
| |
| g_assert (hb_buffer_set_length (b, 0)); |
| |
| test_empty (b); |
| |
| g_assert (!hb_buffer_allocation_successful (b)); |
| |
| hb_buffer_reset (b); |
| |
| test_empty (b); |
| |
| g_assert (!hb_buffer_allocation_successful (b)); |
| } |
| |
| int |
| main (int argc, char **argv) |
| { |
| unsigned int i; |
| |
| hb_test_init (&argc, &argv); |
| |
| for (i = 0; i < BUFFER_NUM_TYPES; i++) |
| { |
| const void *buffer_type = GINT_TO_POINTER (i); |
| const char *buffer_name = buffer_names[i]; |
| |
| hb_test_add_fixture_flavor (fixture, buffer_type, buffer_name, test_buffer_properties); |
| hb_test_add_fixture_flavor (fixture, buffer_type, buffer_name, test_buffer_contents); |
| hb_test_add_fixture_flavor (fixture, buffer_type, buffer_name, test_buffer_positions); |
| } |
| |
| hb_test_add_fixture (fixture, GINT_TO_POINTER (BUFFER_EMPTY), test_buffer_allocation); |
| |
| hb_test_add (test_buffer_utf8_conversion); |
| hb_test_add (test_buffer_utf8_validity); |
| hb_test_add (test_buffer_utf16_conversion); |
| hb_test_add (test_buffer_empty); |
| |
| return hb_test_run(); |
| } |
