[subset] Add test cases for gsub closure in subsetting.
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@ -100,6 +100,56 @@ test_subset_glyf_with_components (void)
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hb_face_destroy (face_components);
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}
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static void
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test_subset_glyf_with_gsub (void)
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{
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hb_face_t *face_fil = hb_subset_test_open_font ("fonts/Roboto-Regular.gsub.fil.ttf");
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hb_face_t *face_fi = hb_subset_test_open_font ("fonts/Roboto-Regular.gsub.fi.ttf");
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hb_set_t *codepoints = hb_set_create();
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hb_set_add (codepoints, 102); // f
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hb_set_add (codepoints, 105); // i
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hb_subset_input_t *input = hb_subset_test_create_input (codepoints);
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hb_set_destroy (codepoints);
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*hb_subset_input_drop_ot_layout (input) = false;
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hb_face_t *face_subset = hb_subset_test_create_subset (face_fil, input);
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hb_subset_test_check (face_fi, face_subset, HB_TAG ('g','l','y','f'));
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hb_subset_test_check (face_fi, face_subset, HB_TAG ('l','o','c', 'a'));
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check_maxp_num_glyphs(face_subset, 5, true);
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hb_face_destroy (face_subset);
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hb_face_destroy (face_fi);
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hb_face_destroy (face_fil);
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}
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static void
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test_subset_glyf_without_gsub (void)
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{
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hb_face_t *face_fil = hb_subset_test_open_font ("fonts/Roboto-Regular.gsub.fil.ttf");
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hb_face_t *face_fi = hb_subset_test_open_font ("fonts/Roboto-Regular.nogsub.fi.ttf");
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hb_set_t *codepoints = hb_set_create();
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hb_set_add (codepoints, 102); // f
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hb_set_add (codepoints, 105); // i
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hb_subset_input_t *input = hb_subset_test_create_input (codepoints);
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hb_set_destroy (codepoints);
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*hb_subset_input_drop_ot_layout (input) = true;
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hb_face_t *face_subset = hb_subset_test_create_subset (face_fil, input);
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hb_subset_test_check (face_fi, face_subset, HB_TAG ('g','l','y','f'));
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hb_subset_test_check (face_fi, face_subset, HB_TAG ('l','o','c', 'a'));
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check_maxp_num_glyphs(face_subset, 3, true);
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hb_face_destroy (face_subset);
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hb_face_destroy (face_fi);
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hb_face_destroy (face_fil);
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}
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static void
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test_subset_glyf_noop (void)
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{
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@ -213,6 +263,8 @@ main (int argc, char **argv)
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hb_test_add (test_subset_glyf_strip_hints_composite);
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hb_test_add (test_subset_glyf_strip_hints_invalid);
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hb_test_add (test_subset_glyf_with_components);
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hb_test_add (test_subset_glyf_with_gsub);
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hb_test_add (test_subset_glyf_without_gsub);
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return hb_test_run();
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}
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