[test] Add test for current hmtx logic
This commit is contained in:
Behdad Esfahbod
parent
431c948ed7
commit
379e526aa4
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@ -30,6 +30,7 @@ noinst_PROGRAMS = $(TEST_PROGS)
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TEST_PROGS = \
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TEST_PROGS = \
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test-aat-layout \
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test-aat-layout \
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test-baseline \
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test-baseline \
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test-be-glyph-advance.c \
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test-be-num-glyphs \
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test-be-num-glyphs \
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test-blob \
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test-blob \
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test-buffer \
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test-buffer \
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@ -6,6 +6,7 @@ endif
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tests = [
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tests = [
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'test-aat-layout.c',
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'test-aat-layout.c',
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'test-baseline.c',
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'test-baseline.c',
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'test-be-glyph-advance.c',
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'test-be-num-glyphs.c',
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'test-be-num-glyphs.c',
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'test-blob.c',
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'test-blob.c',
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'test-buffer.c',
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'test-buffer.c',
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@ -0,0 +1,99 @@
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/*
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* Copyright © 2022 Behdad Esfahbod
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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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#include "hb-test.h"
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#include <hb.h>
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static void
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test_maxp_and_hmtx (void)
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{
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hb_face_t *face;
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hb_font_t *font;
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const char maxp_data[] = "\x00\x00\x50\x00" // version
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"\x00\x05" // numGlyphs
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;
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const char loca_data[18] = "";
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const char hhea_data[36] =
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"\x00\x01\x00\x00" /* FixedVersion<>version; * 0x00010000u for version 1.0. */
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"\x02\x00" /* FWORD ascender; * Typographic ascent. */
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"\x00\x10" /* FWORD descender; * Typographic descent. */
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"\x00\x00" /* FWORD lineGap; * Typographic line gap. */
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"\x00\x00" /* UFWORD advanceMax; * Maximum advance width/height value in metrics table. */
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"\x00\x00" /* FWORD minLeadingBearing; * Minimum left/top sidebearing value in metrics table. */
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"\x00\x00" /* FWORD minTrailingBearing; * Minimum right/bottom sidebearing value; */
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"\x01\x00" /* FWORD maxExtent; * horizontal: Max(lsb + (xMax - xMin)), */
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"\x00\x00" /* HBINT16 caretSlopeRise; * Used to calculate the slope of the,*/
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"\x00\x00" /* HBINT16 caretSlopeRun; * 0 for vertical caret, 1 for horizontal. */
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"\x00\x00" /* HBINT16 caretOffset; * The amount by which a slanted */
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"\x00\x00" /* HBINT16 reserved1; * Set to 0. */
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"\x00\x00" /* HBINT16 reserved2; * Set to 0. */
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"\x00\x00" /* HBINT16 reserved3; * Set to 0. */
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"\x00\x00" /* HBINT16 reserved4; * Set to 0. */
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"\x00\x00" /* HBINT16 metricDataFormat; * 0 for current format. */
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"\x00\x02" /* HBUINT16 numberOfLongMetrics; * Number of LongMetric entries in metric table. */
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;
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const char hmtx_data[18] =
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"\x00\x01\x00\x02" /* glyph 0 advance lsb */
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"\x00\x03\x00\x04" /* glyph 1 advance lsb */
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"\x00\x05" /* glyph 2 lsb */
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"\x00\x06" /* glyph 3 lsb */
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"\x00\x07" /* glyph 4 lsb */
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"\x00\x08" /* glyph 5 advance */
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"\x00\x09" /* glyph 6 advance */
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;
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face = hb_face_builder_create ();
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HB_FACE_ADD_TABLE (face, "maxp", maxp_data);
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HB_FACE_ADD_TABLE (face, "loca", loca_data);
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HB_FACE_ADD_TABLE (face, "hhea", hhea_data);
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HB_FACE_ADD_TABLE (face, "hmtx", hmtx_data);
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font = hb_font_create (face);
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hb_face_destroy (face);
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g_assert_cmpuint (hb_font_get_glyph_h_advance (font, 0), ==, 1);
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g_assert_cmpuint (hb_font_get_glyph_h_advance (font, 1), ==, 3);
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g_assert_cmpuint (hb_font_get_glyph_h_advance (font, 2), ==, 3);
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g_assert_cmpuint (hb_font_get_glyph_h_advance (font, 3), ==, 3);
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g_assert_cmpuint (hb_font_get_glyph_h_advance (font, 4), ==, 3);
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g_assert_cmpuint (hb_font_get_glyph_h_advance (font, 5), ==, 3);
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g_assert_cmpuint (hb_font_get_glyph_h_advance (font, 6), ==, 3);
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g_assert_cmpuint (hb_font_get_glyph_h_advance (font, 7), ==, 0);
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g_assert_cmpuint (hb_font_get_glyph_h_advance (font, 8), ==, 0);
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g_assert_cmpuint (hb_font_get_glyph_h_advance (font, 9), ==, 0);
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g_assert_cmpuint (hb_font_get_glyph_h_advance (font,10), ==, 0);
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g_assert_cmpuint (hb_font_get_glyph_h_advance (font,11), ==, 0);
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hb_font_destroy (font);
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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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hb_test_init (&argc, &argv);
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hb_test_add (test_maxp_and_hmtx);
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return hb_test_run();
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}
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