955 lines
29 KiB
C
955 lines
29 KiB
C
/*
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* Copyright © 2011 Google, Inc.
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*
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* This is part of HarfBuzz, a text shaping library.
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*
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* Permission is hereby granted, without written agreement and without
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* license or royalty fees, to use, copy, modify, and distribute this
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* software and its documentation for any purpose, provided that the
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* above copyright notice and the following two paragraphs appear in
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* all copies of this software.
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*
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* IN NO EVENT SHALL THE COPYRIGHT HOLDER BE LIABLE TO ANY PARTY FOR
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* DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES
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* ARISING OUT OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN
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* IF THE COPYRIGHT HOLDER HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH
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* DAMAGE.
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*
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* THE COPYRIGHT HOLDER SPECIFICALLY DISCLAIMS ANY WARRANTIES, INCLUDING,
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* BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
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* FITNESS FOR A PARTICULAR PURPOSE. THE SOFTWARE PROVIDED HEREUNDER IS
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* ON AN "AS IS" BASIS, AND THE COPYRIGHT HOLDER HAS NO OBLIGATION TO
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* PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS.
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*
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* Google Author(s): Behdad Esfahbod
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*/
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#include "hb-test.h"
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/* Unit tests for hb-buffer.h */
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static const char utf8[10] = "ab\360\240\200\200defg";
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static const uint16_t utf16[8] = {'a', 'b', 0xD840, 0xDC00, 'd', 'e', 'f', 'g'};
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static const uint32_t utf32[7] = {'a', 'b', 0x20000, 'd', 'e', 'f', 'g'};
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typedef enum {
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BUFFER_EMPTY,
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BUFFER_ONE_BY_ONE,
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BUFFER_UTF32,
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BUFFER_UTF16,
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BUFFER_UTF8,
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BUFFER_NUM_TYPES,
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} buffer_type_t;
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static const char *buffer_names[] = {
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"empty",
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"one-by-one",
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"utf32",
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"utf16",
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"utf8"
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};
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typedef struct
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{
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hb_buffer_t *buffer;
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} fixture_t;
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static void
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fixture_init (fixture_t *fixture, gconstpointer user_data)
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{
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hb_buffer_t *b;
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unsigned int i;
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b = fixture->buffer = hb_buffer_create ();
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switch (GPOINTER_TO_INT (user_data))
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{
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case BUFFER_EMPTY:
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break;
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case BUFFER_ONE_BY_ONE:
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for (i = 1; i < G_N_ELEMENTS (utf32) - 1; i++)
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hb_buffer_add (b, utf32[i], i);
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break;
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case BUFFER_UTF32:
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hb_buffer_add_utf32 (b, utf32, G_N_ELEMENTS (utf32), 1, G_N_ELEMENTS (utf32) - 2);
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break;
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case BUFFER_UTF16:
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hb_buffer_add_utf16 (b, utf16, G_N_ELEMENTS (utf16), 1, G_N_ELEMENTS (utf16) - 2);
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break;
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case BUFFER_UTF8:
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hb_buffer_add_utf8 (b, utf8, G_N_ELEMENTS (utf8), 1, G_N_ELEMENTS (utf8) - 2);
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break;
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default:
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g_assert_not_reached ();
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}
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}
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static void
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fixture_finish (fixture_t *fixture, gconstpointer user_data HB_UNUSED)
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{
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hb_buffer_destroy (fixture->buffer);
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}
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static void
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test_buffer_properties (fixture_t *fixture, gconstpointer user_data HB_UNUSED)
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{
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hb_buffer_t *b = fixture->buffer;
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hb_unicode_funcs_t *ufuncs;
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/* test default properties */
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g_assert (hb_buffer_get_unicode_funcs (b) == hb_unicode_funcs_get_default ());
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g_assert (hb_buffer_get_direction (b) == HB_DIRECTION_INVALID);
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g_assert (hb_buffer_get_script (b) == HB_SCRIPT_INVALID);
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g_assert (hb_buffer_get_language (b) == NULL);
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/* test property changes are retained */
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ufuncs = hb_unicode_funcs_create (NULL);
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hb_buffer_set_unicode_funcs (b, ufuncs);
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hb_unicode_funcs_destroy (ufuncs);
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g_assert (hb_buffer_get_unicode_funcs (b) == ufuncs);
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hb_buffer_set_direction (b, HB_DIRECTION_RTL);
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g_assert (hb_buffer_get_direction (b) == HB_DIRECTION_RTL);
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hb_buffer_set_script (b, HB_SCRIPT_ARABIC);
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g_assert (hb_buffer_get_script (b) == HB_SCRIPT_ARABIC);
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hb_buffer_set_language (b, hb_language_from_string ("fa", -1));
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g_assert (hb_buffer_get_language (b) == hb_language_from_string ("Fa", -1));
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hb_buffer_set_flags (b, HB_BUFFER_FLAG_BOT);
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g_assert (hb_buffer_get_flags (b) == HB_BUFFER_FLAG_BOT);
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hb_buffer_set_replacement_codepoint (b, (unsigned int) -1);
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g_assert (hb_buffer_get_replacement_codepoint (b) == (unsigned int) -1);
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/* test clear_contents clears all these properties: */
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hb_buffer_clear_contents (b);
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g_assert (hb_buffer_get_unicode_funcs (b) == ufuncs);
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g_assert (hb_buffer_get_direction (b) == HB_DIRECTION_INVALID);
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g_assert (hb_buffer_get_script (b) == HB_SCRIPT_INVALID);
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g_assert (hb_buffer_get_language (b) == NULL);
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/* but not these: */
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g_assert (hb_buffer_get_flags (b) != HB_BUFFER_FLAGS_DEFAULT);
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g_assert (hb_buffer_get_replacement_codepoint (b) != HB_BUFFER_REPLACEMENT_CODEPOINT_DEFAULT);
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/* test reset clears all properties */
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hb_buffer_set_direction (b, HB_DIRECTION_RTL);
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g_assert (hb_buffer_get_direction (b) == HB_DIRECTION_RTL);
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hb_buffer_set_script (b, HB_SCRIPT_ARABIC);
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g_assert (hb_buffer_get_script (b) == HB_SCRIPT_ARABIC);
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hb_buffer_set_language (b, hb_language_from_string ("fa", -1));
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g_assert (hb_buffer_get_language (b) == hb_language_from_string ("Fa", -1));
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hb_buffer_set_flags (b, HB_BUFFER_FLAG_BOT);
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g_assert (hb_buffer_get_flags (b) == HB_BUFFER_FLAG_BOT);
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hb_buffer_set_replacement_codepoint (b, (unsigned int) -1);
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g_assert (hb_buffer_get_replacement_codepoint (b) == (unsigned int) -1);
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hb_buffer_reset (b);
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g_assert (hb_buffer_get_unicode_funcs (b) == hb_unicode_funcs_get_default ());
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g_assert (hb_buffer_get_direction (b) == HB_DIRECTION_INVALID);
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g_assert (hb_buffer_get_script (b) == HB_SCRIPT_INVALID);
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g_assert (hb_buffer_get_language (b) == NULL);
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g_assert (hb_buffer_get_flags (b) == HB_BUFFER_FLAGS_DEFAULT);
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g_assert (hb_buffer_get_replacement_codepoint (b) == HB_BUFFER_REPLACEMENT_CODEPOINT_DEFAULT);
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}
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static void
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test_buffer_contents (fixture_t *fixture, gconstpointer user_data)
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{
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hb_buffer_t *b = fixture->buffer;
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unsigned int i, len, len2;
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buffer_type_t buffer_type = GPOINTER_TO_INT (user_data);
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hb_glyph_info_t *glyphs;
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if (buffer_type == BUFFER_EMPTY) {
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g_assert_cmpint (hb_buffer_get_length (b), ==, 0);
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return;
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}
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len = hb_buffer_get_length (b);
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hb_buffer_get_glyph_infos (b, NULL); /* test NULL */
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glyphs = hb_buffer_get_glyph_infos (b, &len2);
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g_assert_cmpint (len, ==, len2);
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g_assert_cmpint (len, ==, 5);
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for (i = 0; i < len; i++) {
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g_assert_cmphex (glyphs[i].mask, ==, 0);
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g_assert_cmphex (glyphs[i].var1.u32, ==, 0);
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g_assert_cmphex (glyphs[i].var2.u32, ==, 0);
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}
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for (i = 0; i < len; i++) {
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unsigned int cluster;
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cluster = 1+i;
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if (i >= 2) {
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if (buffer_type == BUFFER_UTF16)
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cluster++;
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else if (buffer_type == BUFFER_UTF8)
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cluster += 3;
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}
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g_assert_cmphex (glyphs[i].codepoint, ==, utf32[1+i]);
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g_assert_cmphex (glyphs[i].cluster, ==, cluster);
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}
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/* reverse, test, and reverse back */
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hb_buffer_reverse (b);
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for (i = 0; i < len; i++)
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g_assert_cmphex (glyphs[i].codepoint, ==, utf32[len-i]);
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hb_buffer_reverse (b);
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for (i = 0; i < len; i++)
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g_assert_cmphex (glyphs[i].codepoint, ==, utf32[1+i]);
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/* reverse_clusters works same as reverse for now since each codepoint is
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* in its own cluster */
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hb_buffer_reverse_clusters (b);
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for (i = 0; i < len; i++)
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g_assert_cmphex (glyphs[i].codepoint, ==, utf32[len-i]);
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hb_buffer_reverse_clusters (b);
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for (i = 0; i < len; i++)
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g_assert_cmphex (glyphs[i].codepoint, ==, utf32[1+i]);
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/* now form a cluster and test again */
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glyphs[2].cluster = glyphs[1].cluster;
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/* reverse, test, and reverse back */
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hb_buffer_reverse (b);
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for (i = 0; i < len; i++)
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g_assert_cmphex (glyphs[i].codepoint, ==, utf32[len-i]);
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hb_buffer_reverse (b);
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for (i = 0; i < len; i++)
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g_assert_cmphex (glyphs[i].codepoint, ==, utf32[1+i]);
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/* reverse_clusters twice still should return the original string,
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* but when applied once, the 1-2 cluster should be retained. */
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hb_buffer_reverse_clusters (b);
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for (i = 0; i < len; i++) {
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unsigned int j = len-1-i;
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if (j == 1)
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j = 2;
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else if (j == 2)
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j = 1;
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g_assert_cmphex (glyphs[i].codepoint, ==, utf32[1+j]);
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}
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hb_buffer_reverse_clusters (b);
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for (i = 0; i < len; i++)
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g_assert_cmphex (glyphs[i].codepoint, ==, utf32[1+i]);
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/* test setting length */
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/* enlarge */
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g_assert (hb_buffer_set_length (b, 10));
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glyphs = hb_buffer_get_glyph_infos (b, NULL);
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g_assert_cmpint (hb_buffer_get_length (b), ==, 10);
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for (i = 0; i < 5; i++)
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g_assert_cmphex (glyphs[i].codepoint, ==, utf32[1+i]);
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for (i = 5; i < 10; i++)
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g_assert_cmphex (glyphs[i].codepoint, ==, 0);
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/* shrink */
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g_assert (hb_buffer_set_length (b, 3));
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glyphs = hb_buffer_get_glyph_infos (b, NULL);
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g_assert_cmpint (hb_buffer_get_length (b), ==, 3);
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for (i = 0; i < 3; i++)
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g_assert_cmphex (glyphs[i].codepoint, ==, utf32[1+i]);
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g_assert (hb_buffer_allocation_successful (b));
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/* test reset clears content */
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hb_buffer_reset (b);
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g_assert_cmpint (hb_buffer_get_length (b), ==, 0);
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}
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static void
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test_buffer_positions (fixture_t *fixture, gconstpointer user_data HB_UNUSED)
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{
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hb_buffer_t *b = fixture->buffer;
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unsigned int i, len, len2;
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hb_glyph_position_t *positions;
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/* Without shaping, positions should all be zero */
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len = hb_buffer_get_length (b);
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hb_buffer_get_glyph_positions (b, NULL); /* test NULL */
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positions = hb_buffer_get_glyph_positions (b, &len2);
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g_assert_cmpint (len, ==, len2);
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for (i = 0; i < len; i++) {
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g_assert_cmpint (0, ==, positions[i].x_advance);
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g_assert_cmpint (0, ==, positions[i].y_advance);
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g_assert_cmpint (0, ==, positions[i].x_offset);
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g_assert_cmpint (0, ==, positions[i].y_offset);
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g_assert_cmpint (0, ==, positions[i].var.i32);
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}
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/* test reset clears content */
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hb_buffer_reset (b);
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g_assert_cmpint (hb_buffer_get_length (b), ==, 0);
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}
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static void
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test_buffer_allocation (fixture_t *fixture, gconstpointer user_data HB_UNUSED)
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{
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hb_buffer_t *b = fixture->buffer;
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g_assert_cmpint (hb_buffer_get_length (b), ==, 0);
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g_assert (hb_buffer_pre_allocate (b, 100));
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g_assert_cmpint (hb_buffer_get_length (b), ==, 0);
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g_assert (hb_buffer_allocation_successful (b));
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/* lets try a huge allocation, make sure it fails */
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g_assert (!hb_buffer_pre_allocate (b, (unsigned int) -1));
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g_assert_cmpint (hb_buffer_get_length (b), ==, 0);
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g_assert (!hb_buffer_allocation_successful (b));
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/* small one again */
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g_assert (hb_buffer_pre_allocate (b, 50));
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g_assert_cmpint (hb_buffer_get_length (b), ==, 0);
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g_assert (!hb_buffer_allocation_successful (b));
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hb_buffer_reset (b);
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g_assert (hb_buffer_allocation_successful (b));
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/* all allocation and size */
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g_assert (!hb_buffer_pre_allocate (b, ((unsigned int) -1) / 20 + 1));
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g_assert (!hb_buffer_allocation_successful (b));
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hb_buffer_reset (b);
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g_assert (hb_buffer_allocation_successful (b));
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/* technically, this one can actually pass on 64bit machines, but
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* I'm doubtful that any malloc allows 4GB allocations at a time.
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* But let's only enable it on a 32-bit machine. */
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if (sizeof (long) == 4) {
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g_assert (!hb_buffer_pre_allocate (b, ((unsigned int) -1) / 20 - 1));
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g_assert (!hb_buffer_allocation_successful (b));
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}
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hb_buffer_reset (b);
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g_assert (hb_buffer_allocation_successful (b));
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}
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typedef struct {
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const char utf8[8];
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const uint32_t codepoints[8];
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} utf8_conversion_test_t;
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/* note: we skip the first and last byte when adding to buffer */
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static const utf8_conversion_test_t utf8_conversion_tests[] = {
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{"a\303\207", {(hb_codepoint_t) -1}},
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{"a\303\207b", {0xC7}},
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{"ab\303cd", {'b', (hb_codepoint_t) -1, 'c'}},
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{"ab\303\302\301cd", {'b', (hb_codepoint_t) -1, (hb_codepoint_t) -1, (hb_codepoint_t) -1, 'c'}}
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};
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static void
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test_buffer_utf8_conversion (void)
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{
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hb_buffer_t *b;
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unsigned int chars, i, j, len;
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b = hb_buffer_create ();
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hb_buffer_set_replacement_codepoint (b, (hb_codepoint_t) -1);
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for (i = 0; i < G_N_ELEMENTS (utf8_conversion_tests); i++)
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{
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unsigned int bytes;
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hb_glyph_info_t *glyphs;
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const utf8_conversion_test_t *test = &utf8_conversion_tests[i];
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char *escaped;
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escaped = g_strescape (test->utf8, NULL);
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g_test_message ("UTF-8 test #%d: %s", i, escaped);
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g_free (escaped);
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bytes = strlen (test->utf8);
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for (chars = 0; test->codepoints[chars]; chars++)
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;
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hb_buffer_clear_contents (b);
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hb_buffer_add_utf8 (b, test->utf8, bytes, 1, bytes - 2);
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glyphs = hb_buffer_get_glyph_infos (b, &len);
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g_assert_cmpint (len, ==, chars);
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for (j = 0; j < chars; j++)
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g_assert_cmphex (glyphs[j].codepoint, ==, test->codepoints[j]);
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}
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hb_buffer_destroy (b);
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}
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/* Following test table is adapted from glib/glib/tests/utf8-validate.c
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* with relicensing permission from Matthias Clasen. */
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typedef struct {
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const char *utf8;
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int max_len;
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unsigned int offset;
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gboolean valid;
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} utf8_validity_test_t;
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static const utf8_validity_test_t utf8_validity_tests[] = {
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/* some tests to check max_len handling */
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/* length 1 */
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{ "abcde", -1, 5, TRUE },
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{ "abcde", 3, 3, TRUE },
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{ "abcde", 5, 5, TRUE },
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/* length 2 */
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{ "\xc2\xa9\xc2\xa9\xc2\xa9", -1, 6, TRUE },
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{ "\xc2\xa9\xc2\xa9\xc2\xa9", 1, 0, FALSE },
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{ "\xc2\xa9\xc2\xa9\xc2\xa9", 2, 2, TRUE },
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{ "\xc2\xa9\xc2\xa9\xc2\xa9", 3, 2, FALSE },
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{ "\xc2\xa9\xc2\xa9\xc2\xa9", 4, 4, TRUE },
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{ "\xc2\xa9\xc2\xa9\xc2\xa9", 5, 4, FALSE },
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{ "\xc2\xa9\xc2\xa9\xc2\xa9", 6, 6, TRUE },
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/* length 3 */
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{ "\xe2\x89\xa0\xe2\x89\xa0", -1, 6, TRUE },
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{ "\xe2\x89\xa0\xe2\x89\xa0", 1, 0, FALSE },
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{ "\xe2\x89\xa0\xe2\x89\xa0", 2, 0, FALSE },
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{ "\xe2\x89\xa0\xe2\x89\xa0", 3, 3, TRUE },
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{ "\xe2\x89\xa0\xe2\x89\xa0", 4, 3, FALSE },
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{ "\xe2\x89\xa0\xe2\x89\xa0", 5, 3, FALSE },
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{ "\xe2\x89\xa0\xe2\x89\xa0", 6, 6, TRUE },
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/* examples from https://www.cl.cam.ac.uk/~mgk25/ucs/examples/UTF-8-test.txt */
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/* greek 'kosme' */
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|
{ "\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 },
|
|
{ "\xf4\x8f\xbf\xbf", -1, 0, TRUE },
|
|
{ "\xf4\x90\xbf\xbf", -1, 0, FALSE },
|
|
{ "\xf7\xbf\xbf\xbf", -1, 0, FALSE },
|
|
{ "\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 },
|
|
{ "\xed\xa0\x80", -1, 0, FALSE },
|
|
{ "\xed\xbf\xbf", -1, 0, FALSE },
|
|
{ "\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 },
|
|
/* 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 },
|
|
#if 0 /* We don't consider U+FFFE / U+FFFF and similar invalid. */
|
|
{ "\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 ();
|
|
hb_buffer_set_replacement_codepoint (b, (hb_codepoint_t) -1);
|
|
|
|
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_clear_contents (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}, {(hb_codepoint_t) -1}},
|
|
{{0x41, 0x61, 0xD800, 0xDF02}, {0x61, (hb_codepoint_t) -1}},
|
|
{{0x41, 0xD800, 0x61, 0xDF02}, {(hb_codepoint_t) -1, 0x61}},
|
|
{{0x41, 0xDF00, 0x61}, {(hb_codepoint_t) -1}},
|
|
{{0x41, 0x61}, {0}}
|
|
};
|
|
|
|
static void
|
|
test_buffer_utf16_conversion (void)
|
|
{
|
|
hb_buffer_t *b;
|
|
unsigned int i;
|
|
|
|
b = hb_buffer_create ();
|
|
hb_buffer_set_replacement_codepoint (b, (hb_codepoint_t) -1);
|
|
|
|
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_clear_contents (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);
|
|
}
|
|
|
|
|
|
typedef struct {
|
|
const uint32_t utf32[8];
|
|
const uint32_t codepoints[8];
|
|
} utf32_conversion_test_t;
|
|
|
|
/* note: we skip the first and last item from utf32 when adding to buffer */
|
|
static const utf32_conversion_test_t utf32_conversion_tests[] = {
|
|
{{0x41, 0x004D, 0x0430, 0x4E8C, 0xD800, 0xDF02, 0x61} , {0x004D, 0x0430, 0x4E8C, (hb_codepoint_t) -3, (hb_codepoint_t) -3}},
|
|
{{0x41, 0x004D, 0x0430, 0x4E8C, 0x10302, 0x61} , {0x004D, 0x0430, 0x4E8C, 0x10302}},
|
|
{{0x41, 0xD800, 0xDF02, 0x61}, {(hb_codepoint_t) -3, (hb_codepoint_t) -3}},
|
|
{{0x41, 0xD800, 0xDF02}, {(hb_codepoint_t) -3}},
|
|
{{0x41, 0x61, 0xD800, 0xDF02}, {0x61, (hb_codepoint_t) -3}},
|
|
{{0x41, 0xD800, 0x61, 0xDF02}, {(hb_codepoint_t) -3, 0x61}},
|
|
{{0x41, 0xDF00, 0x61}, {(hb_codepoint_t) -3}},
|
|
{{0x41, 0x10FFFF, 0x61}, {0x10FFFF}},
|
|
{{0x41, 0x110000, 0x61}, {(hb_codepoint_t) -3}},
|
|
{{0x41, 0x61}, {0}}
|
|
};
|
|
|
|
static void
|
|
test_buffer_utf32_conversion (void)
|
|
{
|
|
hb_buffer_t *b;
|
|
unsigned int i;
|
|
|
|
b = hb_buffer_create ();
|
|
hb_buffer_set_replacement_codepoint (b, (hb_codepoint_t) -3);
|
|
|
|
for (i = 0; i < G_N_ELEMENTS (utf32_conversion_tests); i++)
|
|
{
|
|
const utf32_conversion_test_t *test = &utf32_conversion_tests[i];
|
|
unsigned int u_len, chars, j, len;
|
|
hb_glyph_info_t *glyphs;
|
|
|
|
g_test_message ("UTF-32 test #%d", i);
|
|
|
|
for (u_len = 0; test->utf32[u_len]; u_len++)
|
|
;
|
|
for (chars = 0; test->codepoints[chars]; chars++)
|
|
;
|
|
|
|
hb_buffer_clear_contents (b);
|
|
hb_buffer_add_utf32 (b, test->utf32, 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));
|
|
}
|
|
|
|
typedef struct {
|
|
const char *contents;
|
|
hb_buffer_serialize_format_t format;
|
|
unsigned int num_items;
|
|
hb_bool_t success;
|
|
} serialization_test_t;
|
|
|
|
static const serialization_test_t serialization_tests[] = {
|
|
{ "<U+0640=0|U+0635=1>", HB_BUFFER_SERIALIZE_FORMAT_TEXT, 2, 1 },
|
|
{ "[{\"u\":1600,\"cl\":0},{\"u\":1589,\"cl\":1}]", HB_BUFFER_SERIALIZE_FORMAT_JSON, 2, 1 },
|
|
|
|
/* Mixed glyphs/Unicodes -> parse fail */
|
|
{ "[{\"u\":1600,\"cl\":0},{\"g\":1589,\"cl\":1}]", HB_BUFFER_SERIALIZE_FORMAT_JSON, 0, 0 },
|
|
{ "<U+0640=0|uni0635=1>", HB_BUFFER_SERIALIZE_FORMAT_TEXT, 0, 0 },
|
|
};
|
|
|
|
static void
|
|
test_buffer_serialize_deserialize (void)
|
|
{
|
|
hb_buffer_t *b;
|
|
unsigned int i;
|
|
|
|
for (i = 0; i < G_N_ELEMENTS (serialization_tests); i++)
|
|
{
|
|
unsigned int consumed;
|
|
char round_trip[1024];
|
|
|
|
b = hb_buffer_create ();
|
|
hb_buffer_set_replacement_codepoint (b, (hb_codepoint_t) -1);
|
|
|
|
const serialization_test_t *test = &serialization_tests[i];
|
|
g_test_message ("serialize test #%d", i);
|
|
|
|
(void) hb_buffer_deserialize_unicode (b, test->contents, -1, NULL, test->format);
|
|
|
|
// Expected parse failure, got one, don't round-trip
|
|
if (test->success != 0)
|
|
{
|
|
unsigned int num_glyphs = hb_buffer_get_length (b);
|
|
g_assert_cmpint (num_glyphs, ==, test->num_items);
|
|
|
|
hb_buffer_serialize_unicode (b, 0, num_glyphs, round_trip,
|
|
sizeof(round_trip), &consumed, test->format,
|
|
HB_BUFFER_SERIALIZE_FLAG_DEFAULT);
|
|
g_assert_cmpstr (round_trip, ==, test->contents);
|
|
}
|
|
|
|
hb_buffer_destroy (b);
|
|
|
|
}
|
|
|
|
char test[1024];
|
|
unsigned int consumed;
|
|
hb_buffer_t *indeterminate = hb_buffer_get_empty ();
|
|
hb_buffer_serialize (indeterminate, 0, (unsigned) -1,
|
|
test, sizeof(test), &consumed, NULL,
|
|
HB_BUFFER_SERIALIZE_FORMAT_JSON,
|
|
HB_BUFFER_SERIALIZE_FLAG_DEFAULT);
|
|
g_assert_cmpstr ( test, ==, "[]");
|
|
|
|
hb_buffer_serialize (indeterminate, 0, (unsigned) - 1,
|
|
test, sizeof(test), &consumed, NULL,
|
|
HB_BUFFER_SERIALIZE_FORMAT_TEXT,
|
|
HB_BUFFER_SERIALIZE_FLAG_DEFAULT);
|
|
g_assert_cmpstr ( test, ==, "!!");
|
|
|
|
}
|
|
|
|
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_utf32_conversion);
|
|
hb_test_add (test_buffer_empty);
|
|
hb_test_add (test_buffer_serialize_deserialize);
|
|
|
|
return hb_test_run();
|
|
}
|