1 /*
2 * Copyright (C) 2017 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 * http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17 #include "minikin/FontFamily.h"
18
19 #include <gtest/gtest.h>
20 #include <hb.h>
21
22 #include "minikin/FontCollection.h"
23
24 #include "FontTestUtils.h"
25 #include "FreeTypeMinikinFontForTest.h"
26 #include "MinikinInternal.h"
27
28 namespace minikin {
29
30 typedef std::pair<std::string, int> TestParam;
31
32 class FontFamilyHarfBuzzCompatibilityTest : public ::testing::TestWithParam<TestParam> {};
33
TEST_P(FontFamilyHarfBuzzCompatibilityTest,CoverageTest)34 TEST_P(FontFamilyHarfBuzzCompatibilityTest, CoverageTest) {
35 const std::string& fontPath = GetParam().first;
36 int ttcIndex = GetParam().second;
37
38 auto font = std::make_shared<FreeTypeMinikinFontForTest>(fontPath);
39 std::vector<Font> fonts;
40 fonts.push_back(Font::Builder(font).build());
41 std::shared_ptr<FontFamily> family = std::make_shared<FontFamily>(std::move(fonts));
42
43 hb_font_t* hbFont = family->getFont(0)->baseFont().get();
44
45 for (uint32_t codePoint = 0; codePoint < MAX_UNICODE_CODE_POINT; ++codePoint) {
46 uint32_t unusedGlyph;
47 EXPECT_EQ(family->hasGlyph(codePoint, 0 /* variation selector */),
48 static_cast<bool>(hb_font_get_glyph(hbFont, codePoint, 0 /* variation selector */,
49 &unusedGlyph)));
50 }
51
52 for (uint32_t vs = VS1; vs < VS256; ++vs) {
53 // Move to variation selectors supplements after variation selectors.
54 if (vs == VS16 + 1) {
55 vs = VS17;
56 }
57 for (uint32_t codePoint = 0; codePoint < MAX_UNICODE_CODE_POINT; ++codePoint) {
58 uint32_t unusedGlyph;
59 ASSERT_EQ(family->hasGlyph(codePoint, vs),
60 static_cast<bool>(hb_font_get_glyph(hbFont, codePoint, vs, &unusedGlyph)))
61 << "Inconsistent Result: " << fontPath << "#" << ttcIndex << ": U+" << std::hex
62 << codePoint << " U+" << std::hex << vs
63 << " Minikin: " << family->hasGlyph(codePoint, vs) << " HarfBuzz: "
64 << static_cast<bool>(hb_font_get_glyph(hbFont, codePoint, vs, &unusedGlyph));
65 }
66 }
67 hb_font_destroy(hbFont);
68 }
69
70 INSTANTIATE_TEST_CASE_P(FontFamilyTest, FontFamilyHarfBuzzCompatibilityTest,
71 ::testing::Values(TestParam("/system/fonts/NotoSansCJK-Regular.ttc", 0),
72 TestParam("/system/fonts/NotoColorEmoji.ttf", 0)));
73 } // namespace minikin
74