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Add tests for hb_ot_math_get_glyph_variants (#328)

This commit is contained in:
Frédéric Wang 2016-09-27 13:18:00 +02:00 committed by Behdad Esfahbod
parent a5629a2ed9
commit 485e4873fb
1 changed files with 126 additions and 0 deletions
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126
test/api/test-ot-math.c
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@ -326,6 +326,7 @@ get_glyph_assembly_italics_correction (hb_font_t *font,
return corr; return corr;
} }
static void
test_get_glyph_assembly_italics_correction (void) test_get_glyph_assembly_italics_correction (void)
{ {
hb_codepoint_t glyph; hb_codepoint_t glyph;
@ -373,6 +374,7 @@ test_get_glyph_assembly_italics_correction (void)
cleanupFreeType(); cleanupFreeType();
} }
static void
test_get_min_connector_overlap (void) test_get_min_connector_overlap (void)
{ {
initFreeType(); initFreeType();
@ -390,6 +392,129 @@ test_get_min_connector_overlap (void)
cleanupFreeType(); cleanupFreeType();
} }
static void
test_get_glyph_variants (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(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));
hb_math_glyph_variant_t variants[20];
unsigned variantsSize = sizeof (variants) / sizeof (variants[0]);
unsigned int count;
unsigned int offset = 0;
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();
}
int int
main (int argc, char **argv) main (int argc, char **argv)
{ {
@ -403,6 +528,7 @@ main (int argc, char **argv)
hb_test_add (test_get_glyph_kerning); hb_test_add (test_get_glyph_kerning);
hb_test_add (test_get_glyph_assembly_italics_correction); hb_test_add (test_get_glyph_assembly_italics_correction);
hb_test_add (test_get_min_connector_overlap); hb_test_add (test_get_min_connector_overlap);
hb_test_add (test_get_glyph_variants);
return hb_test_run(); return hb_test_run();
} }