408 lines
16 KiB
C
408 lines
16 KiB
C
/*
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* Copyright © 2016 Google, Inc.
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* Copyright © 2018 Ebrahim Byagowi
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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): Sascha Brawer
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*/
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#include "hb-test.h"
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#include <hb-ot.h>
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#include <stdlib.h>
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#include <stdio.h>
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/* Unit tests for hb-ot-color.h */
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/* Test font with the following CPAL v0 table, as TTX and manual disassembly:
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<CPAL>
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<version value="0"/>
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<numPaletteEntries value="2"/>
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<palette index="0">
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<color index="0" value="#000000FF"/>
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<color index="1" value="#66CCFFFF"/>
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</palette>
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<palette index="1">
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<color index="0" value="#000000FF"/>
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<color index="1" value="#800000FF"/>
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</palette>
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</CPAL>
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0 | 0000 # version=0
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2 | 0002 # numPaletteEntries=2
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4 | 0002 # numPalettes=2
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6 | 0004 # numColorRecords=4
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8 | 00000010 # offsetToFirstColorRecord=16
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12 | 0000 0002 # colorRecordIndex=[0, 2]
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16 | 000000ff ffcc66ff # colorRecord #0, #1 (BGRA)
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24 | 000000ff 000080ff # colorRecord #2, #3 (BGRA)
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*/
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static hb_face_t *cpal_v0 = NULL;
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/* Test font with the following CPAL v1 table, as TTX and manual disassembly:
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<CPAL>
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<version value="1"/>
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<numPaletteEntries value="2"/>
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<palette index="0" label="257" type="2">
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<color index="0" value="#000000FF"/>
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<color index="1" value="#66CCFFFF"/>
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</palette>
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<palette index="1" label="65535" type="1">
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<color index="0" value="#000000FF"/>
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<color index="1" value="#FFCC66FF"/>
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</palette>
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<palette index="2" label="258" type="0">
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<color index="0" value="#000000FF"/>
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<color index="1" value="#800000FF"/>
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</palette>
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<paletteEntryLabels>
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<label index="0" value="65535"/>
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<label index="1" value="256"/>
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</paletteEntryLabels>
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</CPAL>
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0 | 0001 # version=1
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2 | 0002 # numPaletteEntries=2
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4 | 0003 # numPalettes=3
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6 | 0006 # numColorRecords=6
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8 | 0000001e # offsetToFirstColorRecord=30
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12 | 0000 0002 0004 # colorRecordIndex=[0, 2, 4]
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18 | 00000036 # offsetToPaletteTypeArray=54
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22 | 00000042 # offsetToPaletteLabelArray=66
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26 | 00000048 # offsetToPaletteEntryLabelArray=72
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30 | 000000ff ffcc66ff 000000ff # colorRecord #0, #1, #2 (BGRA)
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42 | 66ccffff 000000ff 000080ff # colorRecord #3, #4, #5 (BGRA)
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54 | 00000002 00000001 00000000 # paletteFlags=[2, 1, 0]
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66 | 0101 ffff 0102 # paletteName=[257, 0xffff, 258]
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72 | ffff 0100 # paletteEntryLabel=[0xffff, 256]
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*/
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static hb_face_t *cpal_v1 = NULL;
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static hb_face_t *cpal = NULL;
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static hb_face_t *cbdt = NULL;
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static hb_face_t *sbix = NULL;
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static hb_face_t *svg = NULL;
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#define assert_color_rgba(colors, i, r, g, b, a) G_STMT_START { \
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const hb_color_t *_colors = (colors); \
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const size_t _i = (i); \
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const uint8_t red = (r), green = (g), blue = (b), alpha = (a); \
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if (hb_color_get_red (_colors[_i]) != red) { \
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g_assertion_message_cmpnum (G_LOG_DOMAIN, __FILE__, __LINE__, G_STRFUNC, \
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"colors[" #i "]", _colors[_i], "==", red, 'x'); \
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} \
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if (hb_color_get_green (_colors[_i]) != green) { \
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g_assertion_message_cmpnum (G_LOG_DOMAIN, __FILE__, __LINE__, G_STRFUNC, \
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"colors[" #i "]", _colors[_i], "==", green, 'x'); \
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} \
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if (hb_color_get_blue (_colors[_i]) != blue) { \
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g_assertion_message_cmpnum (G_LOG_DOMAIN, __FILE__, __LINE__, G_STRFUNC, \
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"colors[" #i "]", colors[_i], "==", blue, 'x'); \
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} \
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if (hb_color_get_alpha (_colors[_i]) != alpha) { \
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g_assertion_message_cmpnum (G_LOG_DOMAIN, __FILE__, __LINE__, G_STRFUNC, \
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"colors[" #i "]", _colors[_i], "==", alpha, 'x'); \
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} \
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} G_STMT_END
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static void
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test_hb_ot_color_get_palette_count (void)
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{
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g_assert_cmpint (hb_ot_color_get_palette_count (hb_face_get_empty()), ==, 0);
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g_assert_cmpint (hb_ot_color_get_palette_count (cpal_v0), ==, 2);
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g_assert_cmpint (hb_ot_color_get_palette_count (cpal_v1), ==, 3);
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}
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static void
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test_hb_ot_color_get_palette_name_id_empty (void)
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{
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/* numPalettes=0, so all calls are for out-of-bounds palette indices */
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g_assert_cmpint (hb_ot_color_get_palette_name_id (hb_face_get_empty(), 0), ==, HB_NAME_ID_INVALID);
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g_assert_cmpint (hb_ot_color_get_palette_name_id (hb_face_get_empty(), 1), ==, HB_NAME_ID_INVALID);
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}
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static void
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test_hb_ot_color_get_palette_name_id_v0 (void)
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{
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g_assert_cmpint (hb_ot_color_get_palette_name_id (cpal_v0, 0), ==, HB_NAME_ID_INVALID);
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g_assert_cmpint (hb_ot_color_get_palette_name_id (cpal_v0, 1), ==, HB_NAME_ID_INVALID);
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/* numPalettes=2, so palette #2 is out of bounds */
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g_assert_cmpint (hb_ot_color_get_palette_name_id (cpal_v0, 2), ==, HB_NAME_ID_INVALID);
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}
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static void
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test_hb_ot_color_get_palette_name_id_v1 (void)
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{
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g_assert_cmpint (hb_ot_color_get_palette_name_id (cpal_v1, 0), ==, 257);
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g_assert_cmpint (hb_ot_color_get_palette_name_id (cpal_v1, 1), ==, HB_NAME_ID_INVALID);
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g_assert_cmpint (hb_ot_color_get_palette_name_id (cpal_v1, 2), ==, 258);
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/* numPalettes=3, so palette #3 is out of bounds */
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g_assert_cmpint (hb_ot_color_get_palette_name_id (cpal_v1, 3), ==, HB_NAME_ID_INVALID);
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}
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static void
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test_hb_ot_color_get_palette_flags_empty (void)
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{
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/* numPalettes=0, so all calls are for out-of-bounds palette indices */
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g_assert_cmpint (hb_ot_color_get_palette_flags (hb_face_get_empty(), 0), ==, HB_OT_COLOR_PALETTE_FLAG_DEFAULT);
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g_assert_cmpint (hb_ot_color_get_palette_flags (hb_face_get_empty(), 1), ==, HB_OT_COLOR_PALETTE_FLAG_DEFAULT);
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}
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static void
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test_hb_ot_color_get_palette_flags_v0 (void)
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{
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g_assert_cmpint (hb_ot_color_get_palette_flags (cpal_v0, 0), ==, HB_OT_COLOR_PALETTE_FLAG_DEFAULT);
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g_assert_cmpint (hb_ot_color_get_palette_flags (cpal_v0, 1), ==, HB_OT_COLOR_PALETTE_FLAG_DEFAULT);
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/* numPalettes=2, so palette #2 is out of bounds */
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g_assert_cmpint (hb_ot_color_get_palette_flags (cpal_v0, 2), ==, HB_OT_COLOR_PALETTE_FLAG_DEFAULT);
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}
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static void
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test_hb_ot_color_get_palette_flags_v1 (void)
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{
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g_assert_cmpint (hb_ot_color_get_palette_flags (cpal_v1, 0), ==, HB_OT_COLOR_PALETTE_FLAG_FOR_DARK_BACKGROUND);
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g_assert_cmpint (hb_ot_color_get_palette_flags (cpal_v1, 1), ==, HB_OT_COLOR_PALETTE_FLAG_FOR_LIGHT_BACKGROUND);
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g_assert_cmpint (hb_ot_color_get_palette_flags (cpal_v0, 2), ==, HB_OT_COLOR_PALETTE_FLAG_DEFAULT);
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/* numPalettes=3, so palette #3 is out of bounds */
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g_assert_cmpint (hb_ot_color_get_palette_flags (cpal_v0, 3), ==, HB_OT_COLOR_PALETTE_FLAG_DEFAULT);
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}
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static void
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test_hb_ot_color_get_palette_colors_empty (void)
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{
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hb_face_t *empty = hb_face_get_empty ();
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g_assert_cmpint (hb_ot_color_get_palette_colors (empty, 0, 0, NULL, NULL), ==, 0);
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}
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static void
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test_hb_ot_color_get_palette_colors_v0 (void)
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{
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unsigned int num_colors = hb_ot_color_get_palette_colors (cpal_v0, 0, 0, NULL, NULL);
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hb_color_t *colors = (hb_color_t*) alloca (num_colors * sizeof (hb_color_t));
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size_t colors_size = num_colors * sizeof(*colors);
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g_assert_cmpint (num_colors, ==, 2);
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/* Palette #0, start_index=0 */
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g_assert_cmpint (hb_ot_color_get_palette_colors (cpal_v0, 0, 0, &num_colors, colors), ==, 2);
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g_assert_cmpint (num_colors, ==, 2);
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assert_color_rgba (colors, 0, 0x00, 0x00, 0x00, 0xff);
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assert_color_rgba (colors, 1, 0x66, 0xcc, 0xff, 0xff);
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/* Palette #1, start_index=0 */
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g_assert_cmpint (hb_ot_color_get_palette_colors (cpal_v0, 1, 0, &num_colors, colors), ==, 2);
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g_assert_cmpint (num_colors, ==, 2);
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assert_color_rgba (colors, 0, 0x00, 0x00, 0x00, 0xff);
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assert_color_rgba (colors, 1, 0x80, 0x00, 0x00, 0xff);
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/* Palette #2 (there are only #0 and #1 in the font, so this is out of bounds) */
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g_assert_cmpint (hb_ot_color_get_palette_colors (cpal_v0, 2, 0, &num_colors, colors), ==, 0);
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/* Palette #0, start_index=1 */
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memset(colors, 0x33, colors_size);
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num_colors = 2;
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g_assert_cmpint (hb_ot_color_get_palette_colors (cpal_v0, 0, 1, &num_colors, colors), ==, 2);
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g_assert_cmpint (num_colors, ==, 1);
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assert_color_rgba (colors, 0, 0x66, 0xcc, 0xff, 0xff);
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assert_color_rgba (colors, 1, 0x33, 0x33, 0x33, 0x33); /* untouched */
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/* Palette #0, start_index=0, pretend that we have only allocated space for 1 color */
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memset(colors, 0x44, colors_size);
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num_colors = 1;
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g_assert_cmpint (hb_ot_color_get_palette_colors (cpal_v0, 0, 0, &num_colors, colors), ==, 2);
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g_assert_cmpint (num_colors, ==, 1);
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assert_color_rgba (colors, 0, 0x00, 0x00, 0x00, 0xff);
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assert_color_rgba (colors, 1, 0x44, 0x44, 0x44, 0x44); /* untouched */
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/* start_index > numPaletteEntries */
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memset (colors, 0x44, colors_size);
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num_colors = 2;
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g_assert_cmpint (hb_ot_color_get_palette_colors (cpal_v0, 0, 9876, &num_colors, colors), ==, 2);
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g_assert_cmpint (num_colors, ==, 0);
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assert_color_rgba (colors, 0, 0x44, 0x44, 0x44, 0x44); /* untouched */
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assert_color_rgba (colors, 1, 0x44, 0x44, 0x44, 0x44); /* untouched */
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}
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static void
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test_hb_ot_color_get_palette_colors_v1 (void)
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{
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hb_color_t colors[3];
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unsigned int num_colors = hb_ot_color_get_palette_colors (cpal_v1, 0, 0, NULL, NULL);
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size_t colors_size = 3 * sizeof (hb_color_t);
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g_assert_cmpint (num_colors, ==, 2);
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/* Palette #0, start_index=0 */
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memset (colors, 0x77, colors_size);
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g_assert_cmpint (hb_ot_color_get_palette_colors (cpal_v1, 0, 0, &num_colors, colors), ==, 2);
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g_assert_cmpint (num_colors, ==, 2);
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assert_color_rgba (colors, 0, 0x00, 0x00, 0x00, 0xff);
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assert_color_rgba (colors, 1, 0x66, 0xcc, 0xff, 0xff);
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assert_color_rgba (colors, 2, 0x77, 0x77, 0x77, 0x77); /* untouched */
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/* Palette #1, start_index=0 */
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memset (colors, 0x77, colors_size);
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g_assert_cmpint (hb_ot_color_get_palette_colors (cpal_v1, 1, 0, &num_colors, colors), ==, 2);
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g_assert_cmpint (num_colors, ==, 2);
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assert_color_rgba (colors, 0, 0x00, 0x00, 0x00, 0xff);
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assert_color_rgba (colors, 1, 0xff, 0xcc, 0x66, 0xff);
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assert_color_rgba (colors, 2, 0x77, 0x77, 0x77, 0x77); /* untouched */
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/* Palette #2, start_index=0 */
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memset (colors, 0x77, colors_size);
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g_assert_cmpint (hb_ot_color_get_palette_colors (cpal_v1, 2, 0, &num_colors, colors), ==, 2);
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g_assert_cmpint (num_colors, ==, 2);
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assert_color_rgba (colors, 0, 0x00, 0x00, 0x00, 0xff);
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assert_color_rgba (colors, 1, 0x80, 0x00, 0x00, 0xff);
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assert_color_rgba (colors, 2, 0x77, 0x77, 0x77, 0x77); /* untouched */
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/* Palette #3 (out of bounds), start_index=0 */
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memset (colors, 0x77, colors_size);
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g_assert_cmpint (hb_ot_color_get_palette_colors (cpal_v1, 3, 0, &num_colors, colors), ==, 0);
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g_assert_cmpint (num_colors, ==, 0);
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assert_color_rgba (colors, 0, 0x77, 0x77, 0x77, 0x77); /* untouched */
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assert_color_rgba (colors, 1, 0x77, 0x77, 0x77, 0x77); /* untouched */
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assert_color_rgba (colors, 2, 0x77, 0x77, 0x77, 0x77); /* untouched */
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}
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static void
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test_hb_ot_color_get_palette_entry_name_id (void)
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{
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hb_face_t *empty = hb_face_get_empty ();
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g_assert_cmpuint (hb_ot_color_get_palette_entry_name_id (empty, 0), ==, HB_NAME_ID_INVALID);
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g_assert_cmpuint (hb_ot_color_get_palette_entry_name_id (empty, 1), ==, HB_NAME_ID_INVALID);
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g_assert_cmpuint (hb_ot_color_get_palette_entry_name_id (empty, 2), ==, HB_NAME_ID_INVALID);
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g_assert_cmpuint (hb_ot_color_get_palette_entry_name_id (cpal_v0, 0), ==, HB_NAME_ID_INVALID);
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g_assert_cmpuint (hb_ot_color_get_palette_entry_name_id (cpal_v0, 1), ==, HB_NAME_ID_INVALID);
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g_assert_cmpuint (hb_ot_color_get_palette_entry_name_id (cpal_v0, 2), ==, HB_NAME_ID_INVALID);
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g_assert_cmpuint (hb_ot_color_get_palette_entry_name_id (cpal_v1, 0), ==, HB_NAME_ID_INVALID);
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g_assert_cmpuint (hb_ot_color_get_palette_entry_name_id (cpal_v1, 1), ==, 256);
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g_assert_cmpuint (hb_ot_color_get_palette_entry_name_id (cpal_v1, 2), ==, HB_NAME_ID_INVALID);
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}
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static void
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test_hb_ot_color_get_color_layers (void)
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{
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hb_codepoint_t layer_gids[1];
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unsigned int color_indices[1];
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unsigned int count = 1;
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g_assert_cmpuint (hb_ot_color_get_color_layers (cpal_v1, 0, 0,
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NULL, NULL, NULL), ==, 0);
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g_assert_cmpuint (hb_ot_color_get_color_layers (cpal_v1, 1, 0,
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NULL, NULL, NULL), ==, 0);
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g_assert_cmpuint (hb_ot_color_get_color_layers (cpal_v1, 2, 0,
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NULL, NULL, NULL), ==, 2);
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unsigned int num_layers;
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num_layers = hb_ot_color_get_color_layers (cpal_v1, 2, 0, &count, layer_gids,
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color_indices);
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g_assert_cmpuint (num_layers, ==, 2);
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g_assert_cmpuint (count, ==, 1);
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g_assert_cmpuint (layer_gids[0], ==, 3);
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g_assert_cmpuint (color_indices[0], ==, 1);
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count = 1;
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hb_ot_color_get_color_layers (cpal_v1, 2, 1, &count, layer_gids,
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color_indices);
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g_assert_cmpuint (num_layers, ==, 2);
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g_assert_cmpuint (count, ==, 1);
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g_assert_cmpuint (layer_gids[0], ==, 4);
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g_assert_cmpuint (color_indices[0], ==, 0);
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}
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static void
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test_hb_ot_color_has_data (void)
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{
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hb_face_t *empty = hb_face_get_empty ();
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g_assert (hb_ot_color_has_colr_data (empty) == FALSE);
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g_assert (hb_ot_color_has_colr_data (cpal_v0) == TRUE);
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g_assert (hb_ot_color_has_colr_data (cpal_v1) == TRUE);
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g_assert (hb_ot_color_has_colr_data (cpal) == TRUE);
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g_assert (hb_ot_color_has_colr_data (cbdt) == FALSE);
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g_assert (hb_ot_color_has_colr_data (sbix) == FALSE);
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g_assert (hb_ot_color_has_colr_data (svg) == FALSE);
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g_assert (hb_ot_color_has_cpal_data (empty) == FALSE);
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g_assert (hb_ot_color_has_cpal_data (cpal_v0) == TRUE);
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g_assert (hb_ot_color_has_cpal_data (cpal_v1) == TRUE);
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g_assert (hb_ot_color_has_cpal_data (cpal) == TRUE);
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g_assert (hb_ot_color_has_cpal_data (cbdt) == FALSE);
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g_assert (hb_ot_color_has_cpal_data (sbix) == FALSE);
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g_assert (hb_ot_color_has_cpal_data (svg) == FALSE);
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}
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|
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int
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|
main (int argc, char **argv)
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|
{
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int status = 0;
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|
|
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hb_test_init (&argc, &argv);
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cpal_v0 = hb_test_open_font_file ("fonts/cpal-v0.ttf");
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cpal_v1 = hb_test_open_font_file ("fonts/cpal-v1.ttf");
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cpal = hb_test_open_font_file ("fonts/chromacheck-colr.ttf");
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cbdt = hb_test_open_font_file ("fonts/chromacheck-cbdt.ttf");
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sbix = hb_test_open_font_file ("fonts/chromacheck-sbix.ttf");
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|
svg = hb_test_open_font_file ("fonts/chromacheck-svg.ttf");
|
|
hb_test_add (test_hb_ot_color_get_palette_count);
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|
hb_test_add (test_hb_ot_color_get_palette_name_id_empty);
|
|
hb_test_add (test_hb_ot_color_get_palette_name_id_v0);
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|
hb_test_add (test_hb_ot_color_get_palette_name_id_v1);
|
|
hb_test_add (test_hb_ot_color_get_palette_flags_empty);
|
|
hb_test_add (test_hb_ot_color_get_palette_flags_v0);
|
|
hb_test_add (test_hb_ot_color_get_palette_flags_v1);
|
|
hb_test_add (test_hb_ot_color_get_palette_colors_empty);
|
|
hb_test_add (test_hb_ot_color_get_palette_colors_v0);
|
|
hb_test_add (test_hb_ot_color_get_palette_colors_v1);
|
|
hb_test_add (test_hb_ot_color_get_palette_entry_name_id);
|
|
hb_test_add (test_hb_ot_color_get_color_layers);
|
|
hb_test_add (test_hb_ot_color_has_data);
|
|
status = hb_test_run();
|
|
hb_face_destroy (cpal_v0);
|
|
hb_face_destroy (cpal_v1);
|
|
hb_face_destroy (cpal);
|
|
hb_face_destroy (cbdt);
|
|
hb_face_destroy (sbix);
|
|
hb_face_destroy (svg);
|
|
return status;
|
|
}
|