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/*
* Copyright (C) 2018 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include "minikin/SystemFonts.h"
#include <gtest/gtest.h>
#include "minikin/FontCollection.h"
#include "FontTestUtils.h"
#include "PathUtils.h"
namespace minikin {
namespace {
class TestableSystemFonts : public SystemFonts {
public:
TestableSystemFonts() : SystemFonts() {}
virtual ~TestableSystemFonts() {}
std::shared_ptr<FontCollection> findFontCollection(const std::string& familyName) {
return findFontCollectionInternal(familyName);
}
void addFontMap(std::shared_ptr<FontCollection>&& collections) {
addFontMapInternal(std::move(collections));
}
void getFontSet(std::function<void(const std::vector<std::shared_ptr<Font>>&)> func) {
getFontSetInternal(func);
}
void registerFallback(const std::string& familyName,
const std::shared_ptr<FontCollection>& fc) {
registerFallbackInternal(familyName, fc);
}
void registerDefault(const std::shared_ptr<FontCollection>& fc) { registerDefaultInternal(fc); }
};
TEST(SystemFontsTest, registerAndLookup) {
TestableSystemFonts systemFonts;
auto fc = buildFontCollection("Ascii.ttf");
systemFonts.registerFallback("sans", fc);
EXPECT_EQ(fc, systemFonts.findFontCollection("sans"));
}
TEST(SystemFontsTest, registerDefaultAndLookup) {
TestableSystemFonts systemFonts;
auto fc = buildFontCollection("Ascii.ttf");
systemFonts.registerDefault(fc);
EXPECT_EQ(fc, systemFonts.findFontCollection("unknown-name"));
}
TEST(SystemFontsTest, registerDefaultAndFallback) {
TestableSystemFonts systemFonts;
auto fc1 = buildFontCollection("Ascii.ttf");
auto fc2 = buildFontCollection("Bold.ttf");
systemFonts.registerDefault(fc1);
systemFonts.registerFallback("sans", fc2);
EXPECT_EQ(fc1, systemFonts.findFontCollection("unknown-name"));
EXPECT_EQ(fc2, systemFonts.findFontCollection("sans"));
}
TEST(SystemFontsTest, updateDefaultAndFallback) {
TestableSystemFonts systemFonts;
auto fc1 = buildFontCollection("Ascii.ttf");
auto fc2 = buildFontCollection("Bold.ttf");
systemFonts.registerDefault(fc1);
systemFonts.registerFallback("sans", fc2);
systemFonts.registerDefault(fc2);
systemFonts.registerFallback("sans", fc1);
EXPECT_EQ(fc2, systemFonts.findFontCollection("unknown-name"));
EXPECT_EQ(fc1, systemFonts.findFontCollection("sans"));
}
TEST(SystemFontTest, getAvailableFont_dedupFonts) {
TestableSystemFonts systemFonts;
auto asciiFamily = buildFontFamily("Ascii.ttf");
auto boldFamily = buildFontFamily("Bold.ttf");
auto boldItalicFamily = buildFontFamily("BoldItalic.ttf");
auto fc1Families = std::vector<std::shared_ptr<FontFamily>>{asciiFamily, boldItalicFamily};
auto fc2Families = std::vector<std::shared_ptr<FontFamily>>{boldFamily, boldItalicFamily};
auto fc1 = FontCollection::create(std::move(fc1Families));
auto fc2 = FontCollection::create(std::move(fc2Families));
systemFonts.addFontMap(std::move(fc1));
systemFonts.addFontMap(std::move(fc2));
systemFonts.getFontSet([](const std::vector<std::shared_ptr<Font>>& fonts) {
EXPECT_EQ(3u, fonts.size()); // Ascii, Bold and BoldItalic
std::unordered_set<std::string> fontPaths;
for (const auto& font : fonts) {
fontPaths.insert(getBasename(font->typeface()->GetFontPath()));
}
EXPECT_TRUE(fontPaths.find("Ascii.ttf") != fontPaths.end());
EXPECT_TRUE(fontPaths.find("Bold.ttf") != fontPaths.end());
EXPECT_TRUE(fontPaths.find("BoldItalic.ttf") != fontPaths.end());
});
}
} // namespace
} // namespace minikin
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