717 lines
32 KiB
C
717 lines
32 KiB
C
/*
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* Copyright © 2016 Igalia S.L.
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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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* Igalia Author(s): Frédéric Wang
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*/
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#include "hb-test.h"
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#include "hb-ft.h"
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#include "hb-ot.h"
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/* Unit tests for hb-ot-math.h - OpenType MATH table */
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static FT_Library ft_library;
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static FT_Face ft_face;
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static hb_font_t *hb_font;
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static hb_face_t *hb_face;
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static inline void
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initFreeType (void)
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{
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FT_Error ft_error;
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if ((ft_error = FT_Init_FreeType (&ft_library)))
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abort();
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}
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static inline void
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cleanupFreeType (void)
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{
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FT_Done_FreeType (ft_library);
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}
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static void
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openFont(const char* fontFile)
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{
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#if GLIB_CHECK_VERSION(2,37,2)
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gchar* path = g_test_build_filename(G_TEST_DIST, fontFile, NULL);
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#else
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gchar* path = g_strdup(fontFile);
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#endif
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FT_Error ft_error;
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if ((ft_error = FT_New_Face (ft_library, path, 0, &ft_face))) {
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g_free(path);
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abort();
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}
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g_free(path);
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if ((ft_error = FT_Set_Char_Size (ft_face, 2000, 1000, 0, 0)))
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abort();
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hb_font = hb_ft_font_create (ft_face, NULL);
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hb_face = hb_face_reference (hb_font_get_face (hb_font));
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}
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static inline void
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closeFont (void)
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{
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hb_face_destroy (hb_face);
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hb_font_destroy (hb_font);
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FT_Done_Face (ft_face);
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hb_face = NULL;
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hb_font = NULL;
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ft_face = NULL;
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}
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static void
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test_has_data (void)
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{
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initFreeType();
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openFont("fonts/MathTestFontNone.otf");
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g_assert(!hb_ot_math_has_data (hb_face)); // MATH table not available
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closeFont();
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openFont("fonts/MathTestFontEmpty.otf");
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g_assert(hb_ot_math_has_data (hb_face)); // MATH table available
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closeFont();
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hb_face = hb_face_get_empty ();
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hb_font = hb_font_create (hb_face);
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g_assert(!hb_ot_math_has_data (hb_face)); // MATH table not available
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hb_font_destroy (hb_font);
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hb_face_destroy (hb_face);
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hb_font = hb_font_get_empty ();
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hb_face = hb_font_get_face (hb_font);
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g_assert(!hb_ot_math_has_data (hb_face)); // MATH table not available
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hb_font_destroy (hb_font);
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hb_face_destroy (hb_face);
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cleanupFreeType();
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}
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static void
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test_get_constant (void)
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{
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initFreeType();
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openFont("fonts/MathTestFontEmpty.otf");
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g_assert_cmpint(hb_ot_math_get_constant (hb_font, HB_OT_MATH_CONSTANT_DELIMITED_SUB_FORMULA_MIN_HEIGHT), ==, 0); // MathConstants not available
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closeFont();
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openFont("fonts/MathTestFontFull.otf");
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g_assert_cmpint((hb_ot_math_get_constant (hb_font, HB_OT_MATH_CONSTANT_DELIMITED_SUB_FORMULA_MIN_HEIGHT)), ==, 100);
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g_assert_cmpint((hb_ot_math_get_constant (hb_font, HB_OT_MATH_CONSTANT_DISPLAY_OPERATOR_MIN_HEIGHT)), ==, 200);
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g_assert_cmpint((hb_ot_math_get_constant (hb_font, HB_OT_MATH_CONSTANT_MATH_LEADING)), ==, 300);
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g_assert_cmpint((hb_ot_math_get_constant (hb_font, HB_OT_MATH_CONSTANT_AXIS_HEIGHT)), ==, 400);
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g_assert_cmpint((hb_ot_math_get_constant (hb_font, HB_OT_MATH_CONSTANT_ACCENT_BASE_HEIGHT)), ==, 500);
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g_assert_cmpint((hb_ot_math_get_constant (hb_font, HB_OT_MATH_CONSTANT_FLATTENED_ACCENT_BASE_HEIGHT)), ==, 600);
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g_assert_cmpint((hb_ot_math_get_constant (hb_font, HB_OT_MATH_CONSTANT_SUBSCRIPT_SHIFT_DOWN)), ==, 700);
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g_assert_cmpint((hb_ot_math_get_constant (hb_font, HB_OT_MATH_CONSTANT_SUBSCRIPT_TOP_MAX)), ==, 800);
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g_assert_cmpint((hb_ot_math_get_constant (hb_font, HB_OT_MATH_CONSTANT_SUBSCRIPT_BASELINE_DROP_MIN)), ==, 900);
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g_assert_cmpint((hb_ot_math_get_constant (hb_font, HB_OT_MATH_CONSTANT_SUPERSCRIPT_SHIFT_UP)), ==, 1100);
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g_assert_cmpint((hb_ot_math_get_constant (hb_font, HB_OT_MATH_CONSTANT_SUPERSCRIPT_SHIFT_UP_CRAMPED)), ==, 1200);
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g_assert_cmpint((hb_ot_math_get_constant (hb_font, HB_OT_MATH_CONSTANT_SUPERSCRIPT_BOTTOM_MIN)), ==, 1300);
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g_assert_cmpint((hb_ot_math_get_constant (hb_font, HB_OT_MATH_CONSTANT_SUPERSCRIPT_BASELINE_DROP_MAX)), ==, 1400);
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g_assert_cmpint((hb_ot_math_get_constant (hb_font, HB_OT_MATH_CONSTANT_SUB_SUPERSCRIPT_GAP_MIN)), ==, 1500);
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g_assert_cmpint((hb_ot_math_get_constant (hb_font, HB_OT_MATH_CONSTANT_SUPERSCRIPT_BOTTOM_MAX_WITH_SUBSCRIPT)), ==, 1600);
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g_assert_cmpint((hb_ot_math_get_constant (hb_font, HB_OT_MATH_CONSTANT_SPACE_AFTER_SCRIPT)), ==, 3400);
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g_assert_cmpint((hb_ot_math_get_constant (hb_font, HB_OT_MATH_CONSTANT_UPPER_LIMIT_GAP_MIN)), ==, 1800);
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g_assert_cmpint((hb_ot_math_get_constant (hb_font, HB_OT_MATH_CONSTANT_UPPER_LIMIT_BASELINE_RISE_MIN)), ==, 1900);
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g_assert_cmpint((hb_ot_math_get_constant (hb_font, HB_OT_MATH_CONSTANT_LOWER_LIMIT_GAP_MIN)), ==, 2200);
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g_assert_cmpint((hb_ot_math_get_constant (hb_font, HB_OT_MATH_CONSTANT_LOWER_LIMIT_BASELINE_DROP_MIN)), ==, 2300);
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g_assert_cmpint((hb_ot_math_get_constant (hb_font, HB_OT_MATH_CONSTANT_STACK_TOP_SHIFT_UP)), ==, 2400);
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g_assert_cmpint((hb_ot_math_get_constant (hb_font, HB_OT_MATH_CONSTANT_STACK_TOP_DISPLAY_STYLE_SHIFT_UP)), ==, 2500);
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g_assert_cmpint((hb_ot_math_get_constant (hb_font, HB_OT_MATH_CONSTANT_STACK_BOTTOM_SHIFT_DOWN)), ==, 2600);
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g_assert_cmpint((hb_ot_math_get_constant (hb_font, HB_OT_MATH_CONSTANT_STACK_BOTTOM_DISPLAY_STYLE_SHIFT_DOWN)), ==, 2700);
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g_assert_cmpint((hb_ot_math_get_constant (hb_font, HB_OT_MATH_CONSTANT_STACK_GAP_MIN)), ==, 2800);
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g_assert_cmpint((hb_ot_math_get_constant (hb_font, HB_OT_MATH_CONSTANT_STACK_DISPLAY_STYLE_GAP_MIN)), ==, 2900);
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g_assert_cmpint((hb_ot_math_get_constant (hb_font, HB_OT_MATH_CONSTANT_STRETCH_STACK_TOP_SHIFT_UP)), ==, 3000);
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g_assert_cmpint((hb_ot_math_get_constant (hb_font, HB_OT_MATH_CONSTANT_STRETCH_STACK_BOTTOM_SHIFT_DOWN)), ==, 3100);
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g_assert_cmpint((hb_ot_math_get_constant (hb_font, HB_OT_MATH_CONSTANT_STRETCH_STACK_GAP_ABOVE_MIN)), ==, 3200);
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g_assert_cmpint((hb_ot_math_get_constant (hb_font, HB_OT_MATH_CONSTANT_STRETCH_STACK_GAP_BELOW_MIN)), ==, 3300);
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g_assert_cmpint((hb_ot_math_get_constant (hb_font, HB_OT_MATH_CONSTANT_FRACTION_NUMERATOR_SHIFT_UP)), ==, 3400);
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g_assert_cmpint((hb_ot_math_get_constant (hb_font, HB_OT_MATH_CONSTANT_FRACTION_NUMERATOR_DISPLAY_STYLE_SHIFT_UP)), ==, 3500);
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g_assert_cmpint((hb_ot_math_get_constant (hb_font, HB_OT_MATH_CONSTANT_FRACTION_DENOMINATOR_SHIFT_DOWN)), ==, 3600);
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g_assert_cmpint((hb_ot_math_get_constant (hb_font, HB_OT_MATH_CONSTANT_FRACTION_DENOMINATOR_DISPLAY_STYLE_SHIFT_DOWN)), ==, 3700);
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g_assert_cmpint((hb_ot_math_get_constant (hb_font, HB_OT_MATH_CONSTANT_FRACTION_NUMERATOR_GAP_MIN)), ==, 3800);
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g_assert_cmpint((hb_ot_math_get_constant (hb_font, HB_OT_MATH_CONSTANT_FRACTION_NUM_DISPLAY_STYLE_GAP_MIN)), ==, 3900);
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g_assert_cmpint((hb_ot_math_get_constant (hb_font, HB_OT_MATH_CONSTANT_FRACTION_RULE_THICKNESS)), ==, 4000);
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g_assert_cmpint((hb_ot_math_get_constant (hb_font, HB_OT_MATH_CONSTANT_FRACTION_DENOMINATOR_GAP_MIN)), ==, 4100);
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g_assert_cmpint((hb_ot_math_get_constant (hb_font, HB_OT_MATH_CONSTANT_FRACTION_DENOM_DISPLAY_STYLE_GAP_MIN)), ==, 4200);
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g_assert_cmpint((hb_ot_math_get_constant (hb_font, HB_OT_MATH_CONSTANT_SKEWED_FRACTION_HORIZONTAL_GAP)), ==, 8600);
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g_assert_cmpint((hb_ot_math_get_constant (hb_font, HB_OT_MATH_CONSTANT_SKEWED_FRACTION_VERTICAL_GAP)), ==, 4400);
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g_assert_cmpint((hb_ot_math_get_constant (hb_font, HB_OT_MATH_CONSTANT_OVERBAR_VERTICAL_GAP)), ==, 4500);
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g_assert_cmpint((hb_ot_math_get_constant (hb_font, HB_OT_MATH_CONSTANT_OVERBAR_RULE_THICKNESS)), ==, 4600);
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g_assert_cmpint((hb_ot_math_get_constant (hb_font, HB_OT_MATH_CONSTANT_OVERBAR_EXTRA_ASCENDER)), ==, 4700);
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g_assert_cmpint((hb_ot_math_get_constant (hb_font, HB_OT_MATH_CONSTANT_UNDERBAR_VERTICAL_GAP)), ==, 4800);
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g_assert_cmpint((hb_ot_math_get_constant (hb_font, HB_OT_MATH_CONSTANT_UNDERBAR_RULE_THICKNESS)), ==, 4900);
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g_assert_cmpint((hb_ot_math_get_constant (hb_font, HB_OT_MATH_CONSTANT_UNDERBAR_EXTRA_DESCENDER)), ==, 5000);
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g_assert_cmpint((hb_ot_math_get_constant (hb_font, HB_OT_MATH_CONSTANT_RADICAL_VERTICAL_GAP)), ==, 5100);
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g_assert_cmpint((hb_ot_math_get_constant (hb_font, HB_OT_MATH_CONSTANT_RADICAL_DISPLAY_STYLE_VERTICAL_GAP)), ==, 5200);
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g_assert_cmpint((hb_ot_math_get_constant (hb_font, HB_OT_MATH_CONSTANT_RADICAL_RULE_THICKNESS)), ==, 5300);
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g_assert_cmpint((hb_ot_math_get_constant (hb_font, HB_OT_MATH_CONSTANT_RADICAL_EXTRA_ASCENDER)), ==, 5400);
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g_assert_cmpint((hb_ot_math_get_constant (hb_font, HB_OT_MATH_CONSTANT_RADICAL_KERN_BEFORE_DEGREE)), ==, 11000);
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g_assert_cmpint((hb_ot_math_get_constant (hb_font, HB_OT_MATH_CONSTANT_RADICAL_KERN_AFTER_DEGREE)), ==, 11200);
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g_assert_cmpint((hb_ot_math_get_constant (hb_font, HB_OT_MATH_CONSTANT_SCRIPT_PERCENT_SCALE_DOWN)), ==, 87);
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g_assert_cmpint((hb_ot_math_get_constant (hb_font, HB_OT_MATH_CONSTANT_SCRIPT_SCRIPT_PERCENT_SCALE_DOWN)), ==, 76);
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g_assert_cmpint((hb_ot_math_get_constant (hb_font, HB_OT_MATH_CONSTANT_RADICAL_DEGREE_BOTTOM_RAISE_PERCENT)), ==, 65);
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closeFont();
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cleanupFreeType();
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}
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static void
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test_get_glyph_italics_correction (void)
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{
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hb_codepoint_t glyph;
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initFreeType();
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openFont("fonts/MathTestFontEmpty.otf");
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g_assert(hb_font_get_glyph_from_name (hb_font, "space", -1, &glyph));
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g_assert_cmpint(hb_ot_math_get_glyph_italics_correction (hb_font, glyph), ==, 0); // MathGlyphInfo not available
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closeFont();
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openFont("fonts/MathTestFontPartial1.otf");
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g_assert(hb_font_get_glyph_from_name (hb_font, "space", -1, &glyph));
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g_assert_cmpint(hb_ot_math_get_glyph_italics_correction (hb_font, glyph), ==, 0); // MathGlyphInfo empty
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closeFont();
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openFont("fonts/MathTestFontPartial2.otf");
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g_assert(hb_font_get_glyph_from_name (hb_font, "space", -1, &glyph));
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g_assert_cmpint(hb_ot_math_get_glyph_italics_correction (hb_font, glyph), ==, 0); // MathItalicsCorrectionInfo empty
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closeFont();
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openFont("fonts/MathTestFontFull.otf");
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g_assert(hb_font_get_glyph_from_name (hb_font, "space", -1, &glyph));
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g_assert_cmpint(hb_ot_math_get_glyph_italics_correction (hb_font, glyph), ==, 0); // Glyph without italic correction.
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g_assert(hb_font_get_glyph_from_name (hb_font, "A", -1, &glyph));
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g_assert_cmpint(hb_ot_math_get_glyph_italics_correction (hb_font, glyph), ==, 394);
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g_assert(hb_font_get_glyph_from_name (hb_font, "B", -1, &glyph));
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g_assert_cmpint(hb_ot_math_get_glyph_italics_correction (hb_font, glyph), ==, 300);
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g_assert(hb_font_get_glyph_from_name (hb_font, "C", -1, &glyph));
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g_assert_cmpint(hb_ot_math_get_glyph_italics_correction (hb_font, glyph), ==, 904);
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closeFont();
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cleanupFreeType();
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}
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static void
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test_get_glyph_top_accent_attachment (void)
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{
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hb_codepoint_t glyph;
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initFreeType();
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openFont("fonts/MathTestFontEmpty.otf");
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g_assert(hb_font_get_glyph_from_name (hb_font, "space", -1, &glyph));
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g_assert_cmpint(hb_ot_math_get_glyph_top_accent_attachment (hb_font, glyph), ==, 1000); // MathGlyphInfo not available
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closeFont();
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openFont("fonts/MathTestFontPartial1.otf");
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g_assert(hb_font_get_glyph_from_name (hb_font, "space", -1, &glyph));
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g_assert_cmpint(hb_ot_math_get_glyph_top_accent_attachment (hb_font, glyph), ==, 1000); // MathGlyphInfo empty
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closeFont();
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openFont("fonts/MathTestFontPartial2.otf");
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g_assert(hb_font_get_glyph_from_name (hb_font, "space", -1, &glyph));
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g_assert_cmpint(hb_ot_math_get_glyph_top_accent_attachment (hb_font, glyph), ==, 1000); // MathTopAccentAttachment empty
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closeFont();
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openFont("fonts/MathTestFontFull.otf");
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g_assert(hb_font_get_glyph_from_name (hb_font, "space", -1, &glyph));
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g_assert_cmpint(hb_ot_math_get_glyph_top_accent_attachment (hb_font, glyph), ==, 1000); // Glyph without top accent attachment.
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g_assert(hb_font_get_glyph_from_name (hb_font, "D", -1, &glyph));
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g_assert_cmpint(hb_ot_math_get_glyph_top_accent_attachment (hb_font, glyph), ==, 748);
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g_assert(hb_font_get_glyph_from_name (hb_font, "E", -1, &glyph));
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g_assert_cmpint(hb_ot_math_get_glyph_top_accent_attachment (hb_font, glyph), ==, 692);
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g_assert(hb_font_get_glyph_from_name (hb_font, "F", -1, &glyph));
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g_assert_cmpint(hb_ot_math_get_glyph_top_accent_attachment (hb_font, glyph), ==, 636);
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closeFont();
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cleanupFreeType();
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}
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static void
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test_is_glyph_extended_shape (void)
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{
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hb_codepoint_t glyph;
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initFreeType();
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openFont("fonts/MathTestFontEmpty.otf");
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g_assert(hb_font_get_glyph_from_name (hb_font, "space", -1, &glyph));
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g_assert(!hb_ot_math_is_glyph_extended_shape (hb_face, glyph)); // MathGlyphInfo not available
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closeFont();
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openFont("fonts/MathTestFontPartial1.otf");
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g_assert(hb_font_get_glyph_from_name (hb_font, "space", -1, &glyph));
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g_assert(!hb_ot_math_is_glyph_extended_shape (hb_face, glyph)); // MathGlyphInfo empty
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closeFont();
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openFont("fonts/MathTestFontFull.otf");
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g_assert(hb_font_get_glyph_from_name (hb_font, "G", -1, &glyph));
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g_assert(!hb_ot_math_is_glyph_extended_shape (hb_face, glyph));
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g_assert(hb_font_get_glyph_from_name (hb_font, "H", -1, &glyph));
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g_assert(hb_ot_math_is_glyph_extended_shape (hb_face, glyph));
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closeFont();
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cleanupFreeType();
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}
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static void
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test_get_glyph_kerning (void)
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{
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hb_codepoint_t glyph;
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initFreeType();
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openFont("fonts/MathTestFontEmpty.otf");
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g_assert(hb_font_get_glyph_from_name (hb_font, "space", -1, &glyph));
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g_assert_cmpint(hb_ot_math_get_glyph_kerning (hb_font, glyph, HB_OT_MATH_KERN_TOP_RIGHT, 0), ==, 0); // MathGlyphInfo not available
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g_assert_cmpint(hb_ot_math_get_glyph_kerning (hb_font, glyph, HB_OT_MATH_KERN_TOP_LEFT, 0), ==, 0); // MathGlyphInfo not available
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g_assert_cmpint(hb_ot_math_get_glyph_kerning (hb_font, glyph, HB_OT_MATH_KERN_BOTTOM_RIGHT, 0), ==, 0); // MathGlyphInfo not available
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g_assert_cmpint(hb_ot_math_get_glyph_kerning (hb_font, glyph, HB_OT_MATH_KERN_BOTTOM_LEFT, 0), ==, 0); // MathGlyphInfo not available
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closeFont();
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openFont("fonts/MathTestFontPartial2.otf");
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g_assert(hb_font_get_glyph_from_name (hb_font, "space", -1, &glyph));
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g_assert_cmpint(hb_ot_math_get_glyph_kerning (hb_font, glyph, HB_OT_MATH_KERN_TOP_RIGHT, 0), ==, 0); // MathKernInfo empty
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g_assert_cmpint(hb_ot_math_get_glyph_kerning (hb_font, glyph, HB_OT_MATH_KERN_TOP_LEFT, 0), ==, 0); // MathKernInfo empty
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g_assert_cmpint(hb_ot_math_get_glyph_kerning (hb_font, glyph, HB_OT_MATH_KERN_BOTTOM_RIGHT, 0), ==, 0); // MathKernInfo empty
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g_assert_cmpint(hb_ot_math_get_glyph_kerning (hb_font, glyph, HB_OT_MATH_KERN_BOTTOM_LEFT, 0), ==, 0); // MathKernInfo empty
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closeFont();
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openFont("fonts/MathTestFontPartial3.otf");
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g_assert(hb_font_get_glyph_from_name (hb_font, "space", -1, &glyph));
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g_assert_cmpint(hb_ot_math_get_glyph_kerning (hb_font, glyph, HB_OT_MATH_KERN_TOP_RIGHT, 0), ==, 0); // MathKernInfoRecords empty
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g_assert_cmpint(hb_ot_math_get_glyph_kerning (hb_font, glyph, HB_OT_MATH_KERN_TOP_LEFT, 0), ==, 0); // MathKernInfoRecords empty
|
|
g_assert_cmpint(hb_ot_math_get_glyph_kerning (hb_font, glyph, HB_OT_MATH_KERN_BOTTOM_RIGHT, 0), ==, 0); // MathKernInfoRecords empty
|
|
g_assert_cmpint(hb_ot_math_get_glyph_kerning (hb_font, glyph, HB_OT_MATH_KERN_BOTTOM_LEFT, 0), ==, 0); // MathKernInfoRecords empty
|
|
closeFont();
|
|
|
|
openFont("fonts/MathTestFontFull.otf");
|
|
g_assert(hb_font_get_glyph_from_name (hb_font, "I", -1, &glyph));
|
|
|
|
g_assert_cmpint(hb_ot_math_get_glyph_kerning (hb_font, glyph, HB_OT_MATH_KERN_TOP_RIGHT, 7), ==, 62); // lower than min heigth
|
|
g_assert_cmpint(hb_ot_math_get_glyph_kerning (hb_font, glyph, HB_OT_MATH_KERN_TOP_RIGHT, 14), ==, 62); // equal to min height
|
|
g_assert_cmpint(hb_ot_math_get_glyph_kerning (hb_font, glyph, HB_OT_MATH_KERN_TOP_RIGHT, 20), ==, 104);
|
|
g_assert_cmpint(hb_ot_math_get_glyph_kerning (hb_font, glyph, HB_OT_MATH_KERN_TOP_RIGHT, 23), ==, 104);
|
|
g_assert_cmpint(hb_ot_math_get_glyph_kerning (hb_font, glyph, HB_OT_MATH_KERN_TOP_RIGHT, 31), ==, 146);
|
|
g_assert_cmpint(hb_ot_math_get_glyph_kerning (hb_font, glyph, HB_OT_MATH_KERN_TOP_RIGHT, 32), ==, 146);
|
|
g_assert_cmpint(hb_ot_math_get_glyph_kerning (hb_font, glyph, HB_OT_MATH_KERN_TOP_RIGHT, 86), ==, 398); // equal to max height
|
|
g_assert_cmpint(hb_ot_math_get_glyph_kerning (hb_font, glyph, HB_OT_MATH_KERN_TOP_RIGHT, 91), ==, 440); // larger than max height
|
|
g_assert_cmpint(hb_ot_math_get_glyph_kerning (hb_font, glyph, HB_OT_MATH_KERN_TOP_RIGHT, 96), ==, 440); // larger than max height
|
|
|
|
g_assert_cmpint(hb_ot_math_get_glyph_kerning (hb_font, glyph, HB_OT_MATH_KERN_TOP_RIGHT, 39), ==, 188); // top right
|
|
g_assert_cmpint(hb_ot_math_get_glyph_kerning (hb_font, glyph, HB_OT_MATH_KERN_TOP_LEFT, 39), ==, 110); // top left
|
|
g_assert_cmpint(hb_ot_math_get_glyph_kerning (hb_font, glyph, HB_OT_MATH_KERN_BOTTOM_RIGHT, 39), ==, 44); // bottom right
|
|
g_assert_cmpint(hb_ot_math_get_glyph_kerning (hb_font, glyph, HB_OT_MATH_KERN_BOTTOM_LEFT, 39), ==, 100); // bottom left
|
|
|
|
closeFont();
|
|
|
|
cleanupFreeType();
|
|
}
|
|
|
|
|
|
static hb_position_t
|
|
get_glyph_assembly_italics_correction (hb_font_t *font,
|
|
hb_codepoint_t glyph,
|
|
hb_bool_t horizontal)
|
|
{
|
|
hb_position_t corr;
|
|
hb_ot_math_get_glyph_assembly (font, glyph,
|
|
horizontal ? HB_DIRECTION_LTR : HB_DIRECTION_TTB,
|
|
0, NULL, NULL,
|
|
&corr);
|
|
return corr;
|
|
}
|
|
|
|
static void
|
|
test_get_glyph_assembly_italics_correction (void)
|
|
{
|
|
hb_codepoint_t glyph;
|
|
initFreeType();
|
|
|
|
openFont("fonts/MathTestFontEmpty.otf");
|
|
g_assert(hb_font_get_glyph_from_name (hb_font, "space", -1, &glyph));
|
|
g_assert_cmpint(get_glyph_assembly_italics_correction (hb_font, glyph, TRUE), ==, 0); // MathVariants not available
|
|
g_assert_cmpint(get_glyph_assembly_italics_correction (hb_font, glyph, FALSE), ==, 0); // MathVariants not available
|
|
closeFont();
|
|
|
|
openFont("fonts/MathTestFontPartial1.otf");
|
|
g_assert(hb_font_get_glyph_from_name (hb_font, "space", -1, &glyph));
|
|
g_assert_cmpint(get_glyph_assembly_italics_correction (hb_font, glyph, TRUE), ==, 0); // VertGlyphCoverage and HorizGlyphCoverage absent
|
|
g_assert_cmpint(get_glyph_assembly_italics_correction (hb_font, glyph, FALSE), ==, 0); // VertGlyphCoverage and HorizGlyphCoverage absent
|
|
closeFont();
|
|
|
|
openFont("fonts/MathTestFontPartial2.otf");
|
|
g_assert(hb_font_get_glyph_from_name (hb_font, "space", -1, &glyph));
|
|
g_assert_cmpint(get_glyph_assembly_italics_correction (hb_font, glyph, TRUE), ==, 0); // VertGlyphCoverage and HorizGlyphCoverage empty
|
|
g_assert_cmpint(get_glyph_assembly_italics_correction (hb_font, glyph, FALSE), ==, 0); // VertGlyphCoverage and HorizGlyphCoverage empty
|
|
closeFont();
|
|
|
|
openFont("fonts/MathTestFontPartial3.otf");
|
|
g_assert(hb_font_get_glyph_from_name (hb_font, "space", -1, &glyph));
|
|
g_assert_cmpint(get_glyph_assembly_italics_correction (hb_font, glyph, TRUE), ==, 0); // HorizGlyphConstruction and VertGlyphConstruction empty
|
|
g_assert_cmpint(get_glyph_assembly_italics_correction (hb_font, glyph, FALSE), ==, 0); // HorizGlyphConstruction and VertGlyphConstruction empty
|
|
closeFont();
|
|
|
|
openFont("fonts/MathTestFontPartial4.otf");
|
|
g_assert(hb_font_get_glyph_from_name (hb_font, "space", -1, &glyph));
|
|
g_assert_cmpint(get_glyph_assembly_italics_correction (hb_font, glyph, TRUE), ==, 0);
|
|
g_assert_cmpint(get_glyph_assembly_italics_correction (hb_font, glyph, FALSE), ==, 0);
|
|
closeFont();
|
|
|
|
openFont("fonts/MathTestFontFull.otf");
|
|
g_assert(hb_font_get_glyph_from_name (hb_font, "arrowleft", -1, &glyph));
|
|
g_assert_cmpint(get_glyph_assembly_italics_correction (hb_font, glyph, TRUE), ==, 248);
|
|
g_assert_cmpint(get_glyph_assembly_italics_correction (hb_font, glyph, FALSE), ==, 0);
|
|
g_assert(hb_font_get_glyph_from_name (hb_font, "arrowup", -1, &glyph));
|
|
g_assert_cmpint(get_glyph_assembly_italics_correction (hb_font, glyph, TRUE), ==, 0);
|
|
g_assert_cmpint(get_glyph_assembly_italics_correction (hb_font, glyph, FALSE), ==, 662);
|
|
closeFont();
|
|
|
|
cleanupFreeType();
|
|
}
|
|
|
|
static void
|
|
test_get_min_connector_overlap (void)
|
|
{
|
|
initFreeType();
|
|
|
|
openFont("fonts/MathTestFontEmpty.otf");
|
|
g_assert_cmpint(hb_ot_math_get_min_connector_overlap(hb_font, HB_DIRECTION_LTR), ==, 0); // MathVariants not available
|
|
g_assert_cmpint(hb_ot_math_get_min_connector_overlap(hb_font, HB_DIRECTION_TTB), ==, 0); // MathVariants not available
|
|
closeFont();
|
|
|
|
openFont("fonts/MathTestFontPartial1.otf");
|
|
g_assert_cmpint(hb_ot_math_get_min_connector_overlap(hb_font, HB_DIRECTION_LTR), ==, 108);
|
|
g_assert_cmpint(hb_ot_math_get_min_connector_overlap(hb_font, HB_DIRECTION_TTB), ==, 54);
|
|
closeFont();
|
|
|
|
cleanupFreeType();
|
|
}
|
|
|
|
static void
|
|
test_get_glyph_variants (void)
|
|
{
|
|
hb_codepoint_t glyph;
|
|
hb_ot_math_glyph_variant_t variants[20];
|
|
unsigned variantsSize = sizeof (variants) / sizeof (variants[0]);
|
|
unsigned int count;
|
|
unsigned int offset = 0;
|
|
|
|
initFreeType();
|
|
|
|
openFont("fonts/MathTestFontEmpty.otf");
|
|
g_assert(hb_font_get_glyph_from_name (hb_font, "space", -1, &glyph));
|
|
g_assert_cmpint(hb_ot_math_get_glyph_variants (hb_font, glyph, HB_DIRECTION_RTL, 0, NULL, NULL), ==, 0);
|
|
g_assert_cmpint(hb_ot_math_get_glyph_variants (hb_font, glyph, HB_DIRECTION_BTT, 0, NULL, NULL), ==, 0);
|
|
closeFont();
|
|
|
|
openFont("fonts/MathTestFontPartial1.otf");
|
|
g_assert(hb_font_get_glyph_from_name (hb_font, "space", -1, &glyph));
|
|
g_assert_cmpint(hb_ot_math_get_glyph_variants (hb_font, glyph, HB_DIRECTION_RTL, 0, NULL, NULL), ==, 0);
|
|
g_assert_cmpint(hb_ot_math_get_glyph_variants (hb_font, glyph, HB_DIRECTION_BTT, 0, NULL, NULL), ==, 0);
|
|
closeFont();
|
|
|
|
openFont("fonts/MathTestFontPartial2.otf");
|
|
g_assert(hb_font_get_glyph_from_name (hb_font, "space", -1, &glyph));
|
|
g_assert_cmpint(hb_ot_math_get_glyph_variants (hb_font, glyph, HB_DIRECTION_RTL, 0, NULL, NULL), ==, 0);
|
|
g_assert_cmpint(hb_ot_math_get_glyph_variants (hb_font, glyph, HB_DIRECTION_BTT, 0, NULL, NULL), ==, 0);
|
|
closeFont();
|
|
|
|
openFont("fonts/MathTestFontPartial3.otf");
|
|
g_assert(hb_font_get_glyph_from_name (hb_font, "space", -1, &glyph));
|
|
g_assert_cmpint(hb_ot_math_get_glyph_variants (hb_font, glyph, HB_DIRECTION_RTL, 0, NULL, NULL), ==, 0);
|
|
g_assert_cmpint(hb_ot_math_get_glyph_variants (hb_font, glyph, HB_DIRECTION_BTT, 0, NULL, NULL), ==, 0);
|
|
closeFont();
|
|
|
|
openFont("fonts/MathTestFontPartial4.otf");
|
|
g_assert(hb_font_get_glyph_from_name (hb_font, "space", -1, &glyph));
|
|
g_assert_cmpint(hb_ot_math_get_glyph_variants (hb_font, glyph, HB_DIRECTION_RTL, 0, NULL, NULL), ==, 0);
|
|
g_assert_cmpint(hb_ot_math_get_glyph_variants (hb_font, glyph, HB_DIRECTION_BTT, 0, NULL, NULL), ==, 0);
|
|
closeFont();
|
|
|
|
openFont("fonts/MathTestFontFull.otf");
|
|
|
|
g_assert(hb_font_get_glyph_from_name (hb_font, "arrowleft", -1, &glyph));
|
|
g_assert_cmpint(hb_ot_math_get_glyph_variants (hb_font,
|
|
glyph,
|
|
HB_DIRECTION_BTT,
|
|
0,
|
|
NULL,
|
|
NULL), ==, 0);
|
|
g_assert_cmpint(hb_ot_math_get_glyph_variants (hb_font,
|
|
glyph,
|
|
HB_DIRECTION_RTL,
|
|
0,
|
|
NULL,
|
|
NULL), ==, 3);
|
|
|
|
g_assert(hb_font_get_glyph_from_name (hb_font, "arrowup", -1, &glyph));
|
|
g_assert_cmpint(hb_ot_math_get_glyph_variants (hb_font,
|
|
glyph,
|
|
HB_DIRECTION_BTT,
|
|
0,
|
|
NULL,
|
|
NULL), ==, 4);
|
|
g_assert_cmpint(hb_ot_math_get_glyph_variants (hb_font,
|
|
glyph,
|
|
HB_DIRECTION_RTL,
|
|
0,
|
|
NULL,
|
|
NULL), ==, 0);
|
|
|
|
g_assert(hb_font_get_glyph_from_name (hb_font, "arrowleft", -1, &glyph));
|
|
do {
|
|
count = variantsSize;
|
|
hb_ot_math_get_glyph_variants (hb_font,
|
|
glyph,
|
|
HB_DIRECTION_RTL,
|
|
offset,
|
|
&count,
|
|
variants);
|
|
offset += count;
|
|
} while (count == variantsSize);
|
|
g_assert_cmpint(offset, ==, 3);
|
|
g_assert(hb_font_get_glyph_from_name (hb_font, "uni2190_size2", -1, &glyph));
|
|
g_assert_cmpint(variants[0].glyph, ==, glyph);
|
|
g_assert_cmpint(variants[0].advance, ==, 4302);
|
|
g_assert(hb_font_get_glyph_from_name (hb_font, "uni2190_size3", -1, &glyph));
|
|
g_assert_cmpint(variants[1].glyph, ==, glyph);
|
|
g_assert_cmpint(variants[1].advance, ==, 4802);
|
|
g_assert(hb_font_get_glyph_from_name (hb_font, "uni2190_size4", -1, &glyph));
|
|
g_assert_cmpint(variants[2].glyph, ==, glyph);
|
|
g_assert_cmpint(variants[2].advance, ==, 5802);
|
|
|
|
g_assert(hb_font_get_glyph_from_name (hb_font, "arrowup", -1, &glyph));
|
|
offset = 0;
|
|
do {
|
|
count = variantsSize;
|
|
hb_ot_math_get_glyph_variants (hb_font,
|
|
glyph,
|
|
HB_DIRECTION_BTT,
|
|
offset,
|
|
&count,
|
|
variants);
|
|
offset += count;
|
|
} while (count == variantsSize);
|
|
g_assert_cmpint(offset, ==, 4);
|
|
g_assert(hb_font_get_glyph_from_name (hb_font, "uni2191_size2", -1, &glyph));
|
|
g_assert_cmpint(variants[0].glyph, ==, glyph);
|
|
g_assert_cmpint(variants[0].advance, ==, 2251);
|
|
g_assert(hb_font_get_glyph_from_name (hb_font, "uni2191_size3", -1, &glyph));
|
|
g_assert_cmpint(variants[1].glyph, ==, glyph);
|
|
g_assert_cmpint(variants[1].advance, ==, 2501);
|
|
g_assert(hb_font_get_glyph_from_name (hb_font, "uni2191_size4", -1, &glyph));
|
|
g_assert_cmpint(variants[2].glyph, ==, glyph);
|
|
g_assert_cmpint(variants[2].advance, ==, 3001);
|
|
g_assert(hb_font_get_glyph_from_name (hb_font, "uni2191_size5", -1, &glyph));
|
|
g_assert_cmpint(variants[3].glyph, ==, glyph);
|
|
g_assert_cmpint(variants[3].advance, ==, 3751);
|
|
|
|
closeFont();
|
|
|
|
cleanupFreeType();
|
|
}
|
|
|
|
static void
|
|
test_get_glyph_assembly (void)
|
|
{
|
|
hb_codepoint_t glyph;
|
|
hb_ot_math_glyph_part_t parts[20];
|
|
unsigned partsSize = sizeof (parts) / sizeof (parts[0]);
|
|
unsigned int count;
|
|
unsigned int offset = 0;
|
|
|
|
initFreeType();
|
|
|
|
openFont("fonts/MathTestFontEmpty.otf");
|
|
g_assert(hb_font_get_glyph_from_name (hb_font, "space", -1, &glyph));
|
|
g_assert_cmpint(hb_ot_math_get_glyph_assembly (hb_font, glyph, HB_DIRECTION_RTL, 0, NULL, NULL, NULL), ==, 0);
|
|
g_assert_cmpint(hb_ot_math_get_glyph_assembly (hb_font, glyph, HB_DIRECTION_BTT, 0, NULL, NULL, NULL), ==, 0);
|
|
closeFont();
|
|
|
|
openFont("fonts/MathTestFontPartial1.otf");
|
|
g_assert(hb_font_get_glyph_from_name (hb_font, "space", -1, &glyph));
|
|
g_assert_cmpint(hb_ot_math_get_glyph_assembly (hb_font, glyph, HB_DIRECTION_RTL, 0, NULL, NULL, NULL), ==, 0);
|
|
g_assert_cmpint(hb_ot_math_get_glyph_assembly (hb_font, glyph, HB_DIRECTION_BTT, 0, NULL, NULL, NULL), ==, 0);
|
|
closeFont();
|
|
|
|
openFont("fonts/MathTestFontPartial2.otf");
|
|
g_assert(hb_font_get_glyph_from_name (hb_font, "space", -1, &glyph));
|
|
g_assert_cmpint(hb_ot_math_get_glyph_assembly (hb_font, glyph, HB_DIRECTION_RTL, 0, NULL, NULL, NULL), ==, 0);
|
|
g_assert_cmpint(hb_ot_math_get_glyph_assembly (hb_font, glyph, HB_DIRECTION_BTT, 0, NULL, NULL, NULL), ==, 0);
|
|
closeFont();
|
|
|
|
openFont("fonts/MathTestFontPartial3.otf");
|
|
g_assert(hb_font_get_glyph_from_name (hb_font, "space", -1, &glyph));
|
|
g_assert_cmpint(hb_ot_math_get_glyph_assembly (hb_font, glyph, HB_DIRECTION_RTL, 0, NULL, NULL, NULL), ==, 0);
|
|
g_assert_cmpint(hb_ot_math_get_glyph_assembly (hb_font, glyph, HB_DIRECTION_BTT, 0, NULL, NULL, NULL), ==, 0);
|
|
closeFont();
|
|
|
|
openFont("fonts/MathTestFontPartial4.otf");
|
|
g_assert(hb_font_get_glyph_from_name (hb_font, "space", -1, &glyph));
|
|
g_assert_cmpint(hb_ot_math_get_glyph_assembly (hb_font, glyph, HB_DIRECTION_RTL, 0, NULL, NULL, NULL), ==, 0);
|
|
g_assert_cmpint(hb_ot_math_get_glyph_assembly (hb_font, glyph, HB_DIRECTION_BTT, 0, NULL, NULL, NULL), ==, 0);
|
|
closeFont();
|
|
|
|
openFont("fonts/MathTestFontFull.otf");
|
|
|
|
g_assert(hb_font_get_glyph_from_name (hb_font, "arrowright", -1, &glyph));
|
|
g_assert_cmpint(hb_ot_math_get_glyph_assembly (hb_font,
|
|
glyph,
|
|
HB_DIRECTION_BTT,
|
|
0,
|
|
NULL,
|
|
NULL,
|
|
NULL), ==, 0);
|
|
g_assert_cmpint(hb_ot_math_get_glyph_assembly (hb_font,
|
|
glyph,
|
|
HB_DIRECTION_RTL,
|
|
0,
|
|
NULL,
|
|
NULL,
|
|
NULL), ==, 3);
|
|
|
|
g_assert(hb_font_get_glyph_from_name (hb_font, "arrowdown", -1, &glyph));
|
|
g_assert_cmpint(hb_ot_math_get_glyph_assembly (hb_font,
|
|
glyph,
|
|
HB_DIRECTION_BTT,
|
|
0,
|
|
NULL,
|
|
NULL,
|
|
NULL), ==, 5);
|
|
g_assert_cmpint(hb_ot_math_get_glyph_assembly (hb_font,
|
|
glyph,
|
|
HB_DIRECTION_RTL,
|
|
0,
|
|
NULL,
|
|
NULL,
|
|
NULL), ==, 0);
|
|
|
|
g_assert(hb_font_get_glyph_from_name (hb_font, "arrowright", -1, &glyph));
|
|
do {
|
|
count = partsSize;
|
|
hb_ot_math_get_glyph_assembly (hb_font,
|
|
glyph,
|
|
HB_DIRECTION_RTL,
|
|
offset,
|
|
&count,
|
|
parts,
|
|
NULL);
|
|
offset += count;
|
|
} while (count == partsSize);
|
|
g_assert_cmpint(offset, ==, 3);
|
|
g_assert(hb_font_get_glyph_from_name (hb_font, "left", -1, &glyph));
|
|
g_assert_cmpint(parts[0].glyph, ==, glyph);
|
|
g_assert_cmpint(parts[0].start_connector_length, ==, 800);
|
|
g_assert_cmpint(parts[0].end_connector_length, ==, 384);
|
|
g_assert_cmpint(parts[0].full_advance, ==, 2000);
|
|
g_assert(!(parts[0].flags & HB_OT_MATH_GLYPH_PART_FLAG_EXTENDER));
|
|
g_assert(hb_font_get_glyph_from_name (hb_font, "horizontal", -1, &glyph));
|
|
g_assert_cmpint(parts[1].glyph, ==, glyph);
|
|
g_assert_cmpint(parts[1].start_connector_length, ==, 524);
|
|
g_assert_cmpint(parts[1].end_connector_length, ==, 800);
|
|
g_assert_cmpint(parts[1].full_advance, ==, 2000);
|
|
g_assert(parts[1].flags & HB_OT_MATH_GLYPH_PART_FLAG_EXTENDER);
|
|
g_assert(hb_font_get_glyph_from_name (hb_font, "right", -1, &glyph));
|
|
g_assert_cmpint(parts[2].glyph, ==, glyph);
|
|
g_assert_cmpint(parts[2].start_connector_length, ==, 316);
|
|
g_assert_cmpint(parts[2].end_connector_length, ==, 454);
|
|
g_assert_cmpint(parts[2].full_advance, ==, 2000);
|
|
g_assert(!(parts[2].flags & HB_OT_MATH_GLYPH_PART_FLAG_EXTENDER));
|
|
|
|
g_assert(hb_font_get_glyph_from_name (hb_font, "arrowdown", -1, &glyph));
|
|
offset = 0;
|
|
do {
|
|
count = partsSize;
|
|
hb_ot_math_get_glyph_assembly (hb_font,
|
|
glyph,
|
|
HB_DIRECTION_BTT,
|
|
offset,
|
|
&count,
|
|
parts,
|
|
NULL);
|
|
offset += count;
|
|
} while (count == partsSize);
|
|
g_assert_cmpint(offset, ==, 5);
|
|
g_assert(hb_font_get_glyph_from_name (hb_font, "bottom", -1, &glyph));
|
|
g_assert_cmpint(parts[0].glyph, ==, glyph);
|
|
g_assert_cmpint(parts[0].start_connector_length, ==, 365);
|
|
g_assert_cmpint(parts[0].end_connector_length, ==, 158);
|
|
g_assert_cmpint(parts[0].full_advance, ==, 1000);
|
|
g_assert(!(parts[0].flags & HB_OT_MATH_GLYPH_PART_FLAG_EXTENDER));
|
|
g_assert(hb_font_get_glyph_from_name (hb_font, "vertical", -1, &glyph));
|
|
g_assert_cmpint(parts[1].glyph, ==, glyph);
|
|
g_assert_cmpint(parts[1].glyph, ==, glyph);
|
|
g_assert_cmpint(parts[1].start_connector_length, ==, 227);
|
|
g_assert_cmpint(parts[1].end_connector_length, ==, 365);
|
|
g_assert_cmpint(parts[1].full_advance, ==, 1000);
|
|
g_assert(parts[1].flags & HB_OT_MATH_GLYPH_PART_FLAG_EXTENDER);
|
|
g_assert(hb_font_get_glyph_from_name (hb_font, "center", -1, &glyph));
|
|
g_assert_cmpint(parts[2].glyph, ==, glyph);
|
|
g_assert_cmpint(parts[2].start_connector_length, ==, 54);
|
|
g_assert_cmpint(parts[2].end_connector_length, ==, 158);
|
|
g_assert_cmpint(parts[2].full_advance, ==, 1000);
|
|
g_assert(!(parts[2].flags & HB_OT_MATH_GLYPH_PART_FLAG_EXTENDER));
|
|
g_assert(hb_font_get_glyph_from_name (hb_font, "vertical", -1, &glyph));
|
|
g_assert_cmpint(parts[3].glyph, ==, glyph);
|
|
g_assert_cmpint(parts[3].glyph, ==, glyph);
|
|
g_assert_cmpint(parts[3].glyph, ==, glyph);
|
|
g_assert_cmpint(parts[3].start_connector_length, ==, 400);
|
|
g_assert_cmpint(parts[3].end_connector_length, ==, 296);
|
|
g_assert_cmpint(parts[3].full_advance, ==, 1000);
|
|
g_assert(parts[1].flags & HB_OT_MATH_GLYPH_PART_FLAG_EXTENDER);
|
|
g_assert(hb_font_get_glyph_from_name (hb_font, "top", -1, &glyph));
|
|
g_assert_cmpint(parts[4].glyph, ==, glyph);
|
|
g_assert_cmpint(parts[4].start_connector_length, ==, 123);
|
|
g_assert_cmpint(parts[4].end_connector_length, ==, 192);
|
|
g_assert_cmpint(parts[4].full_advance, ==, 1000);
|
|
g_assert(!(parts[4].flags & HB_OT_MATH_GLYPH_PART_FLAG_EXTENDER));
|
|
|
|
closeFont();
|
|
|
|
cleanupFreeType();
|
|
}
|
|
|
|
int
|
|
main (int argc, char **argv)
|
|
{
|
|
hb_test_init (&argc, &argv);
|
|
|
|
hb_test_add (test_has_data);
|
|
hb_test_add (test_get_constant);
|
|
hb_test_add (test_get_glyph_italics_correction);
|
|
hb_test_add (test_get_glyph_top_accent_attachment);
|
|
hb_test_add (test_is_glyph_extended_shape);
|
|
hb_test_add (test_get_glyph_kerning);
|
|
hb_test_add (test_get_glyph_assembly_italics_correction);
|
|
hb_test_add (test_get_min_connector_overlap);
|
|
hb_test_add (test_get_glyph_variants);
|
|
hb_test_add (test_get_glyph_assembly);
|
|
|
|
return hb_test_run();
|
|
}
|