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[test/font] Test empty funcs

This commit is contained in:
Behdad Esfahbod 2011-05-12 00:18:28 -04:00
parent 2ca0b5ae1e
commit 14f1e81b77
1 changed files with 73 additions and 2 deletions
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75
test/test-font.c
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@ -109,19 +109,90 @@ test_face_createfortables (void)
g_assert (freed);
}
static void
_test_font_nil_funcs (hb_font_t *font)
{
hb_position_t x, y;
hb_glyph_extents_t extents;
x = y = 13;
g_assert (!hb_font_get_contour_point (font, 17, 2, &x, &y));
g_assert_cmpint (x, ==, 0);
g_assert_cmpint (y, ==, 0);
x = y = 13;
hb_font_get_glyph_advance (font, 17, &x, &y);
g_assert_cmpint (x, ==, 0);
g_assert_cmpint (y, ==, 0);
extents.x_bearing = extents.y_bearing = 13;
extents.width = extents.height = 15;
hb_font_get_glyph_extents (font, 17, &extents);
g_assert_cmpint (extents.x_bearing, ==, 0);
g_assert_cmpint (extents.y_bearing, ==, 0);
g_assert_cmpint (extents.width, ==, 0);
g_assert_cmpint (extents.height, ==, 0);
g_assert (0 == hb_font_get_glyph (font, 17, 2));
x = y = 13;
hb_font_get_kerning (font, 17, 19, &x, &y);
g_assert_cmpint (x, ==, 0);
g_assert_cmpint (y, ==, 0);
}
static void
_test_fontfuncs_nil (hb_font_funcs_t *ffuncs)
{
hb_blob_t *blob;
hb_face_t *face;
hb_font_t *font;
hb_font_t *subfont;
int freed = 0;
blob = hb_blob_create (test_data, sizeof (test_data), HB_MEMORY_MODE_READONLY, NULL, NULL);
face = hb_face_create (blob, 0);
hb_blob_destroy (blob);
font = hb_font_create (face);
hb_face_destroy (face);
hb_font_set_funcs (font, ffuncs, &freed, free_up);
g_assert_cmpint (freed, ==, 0);
_test_font_nil_funcs (font);
subfont = hb_font_create_sub_font (font);
g_assert_cmpint (freed, ==, 0);
hb_font_destroy (font);
g_assert_cmpint (freed, ==, 0);
_test_font_nil_funcs (subfont);
hb_font_destroy (subfont);
g_assert_cmpint (freed, ==, 1);
}
static void
test_fontfuncs_empty (void)
{
g_assert (hb_font_funcs_get_empty ());
g_assert (hb_font_funcs_is_immutable (hb_font_funcs_get_empty ()));
_test_fontfuncs_nil (hb_font_funcs_get_empty ());
}
static void
test_fontfuncs_custom (void)
{
g_assert (hb_font_funcs_get_empty ());
g_assert (hb_font_funcs_is_immutable (hb_font_funcs_get_empty ()));
hb_font_funcs_t *ffuncs;
ffuncs = hb_font_funcs_create ();
g_assert (!hb_font_funcs_is_immutable (ffuncs));
_test_fontfuncs_nil (hb_font_funcs_get_empty ());
hb_font_funcs_destroy (ffuncs);
}