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 <gtest/gtest.h>
18
19#include "../util/FontTestUtils.h"
20#include "../util/MinikinFontForTest.h"
21#include "HbFontCache.h"
22#include "MinikinInternal.h"
23#include "minikin/FontCollection.h"
24#include "minikin/Layout.h"
25
26namespace minikin {
27
28typedef std::pair<std::string, int> TestParam;
29
30class FontFamilyHarfBuzzCompatibilityTest : public ::testing::TestWithParam<TestParam> {};
31
32TEST_P(FontFamilyHarfBuzzCompatibilityTest, CoverageTest) {
33    const std::string& fontPath = GetParam().first;
34    int ttcIndex = GetParam().second;
35
36    std::shared_ptr<MinikinFont> font(new MinikinFontForTest(fontPath, ttcIndex));
37    std::shared_ptr<FontFamily> family =
38            std::make_shared<FontFamily>(std::vector<Font>({Font(font, FontStyle())}));
39
40    android::AutoMutex _l(gMinikinLock);
41    hb_font_t* hbFont = getHbFontLocked(font.get());
42
43    for (uint32_t codePoint = 0; codePoint < MAX_UNICODE_CODE_POINT; ++codePoint) {
44        uint32_t unusedGlyph;
45        EXPECT_EQ(family->hasGlyph(codePoint, 0 /* variation selector */),
46                static_cast<bool>(hb_font_get_glyph(hbFont, codePoint, 0 /* variation selector */,
47                        &unusedGlyph)));
48    }
49
50    for (uint32_t vs = VS1; vs < VS256; ++vs) {
51        // Move to variation selectors supplements after variation selectors.
52        if (vs == VS16 + 1) {
53            vs = VS17;
54        }
55        for (uint32_t codePoint = 0; codePoint < MAX_UNICODE_CODE_POINT; ++codePoint) {
56            uint32_t unusedGlyph;
57            ASSERT_EQ(family->hasGlyph(codePoint, vs),
58                    static_cast<bool>(hb_font_get_glyph(hbFont, codePoint, vs, &unusedGlyph)))
59                << "Inconsistent Result: " << fontPath << "#" << ttcIndex
60                << ": U+" << std::hex << codePoint << " U+" << std::hex << vs
61                << " Minikin: " << family->hasGlyph(codePoint, vs)
62                << " HarfBuzz: "
63                << static_cast<bool>(hb_font_get_glyph(hbFont, codePoint, vs, &unusedGlyph));
64
65        }
66    }
67    hb_font_destroy(hbFont);
68}
69
70INSTANTIATE_TEST_CASE_P(FontFamilyTest,
71        FontFamilyHarfBuzzCompatibilityTest,
72        ::testing::Values(
73                TestParam("/system/fonts/NotoSansCJK-Regular.ttc", 0),
74                TestParam("/system/fonts/NotoColorEmoji.ttf", 0)));
75}  // namespace minikin
76