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/*
* Copyright (C) 2021 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.
*/
package android.graphics.fonts;
import static com.google.common.truth.Truth.assertThat;
import android.graphics.Paint;
import android.graphics.text.PositionedGlyphs;
import android.graphics.text.TextRunShaper;
import android.test.suitebuilder.annotation.SmallTest;
import com.android.compatibility.common.util.FeatureUtil;
import androidx.test.runner.AndroidJUnit4;
import org.junit.Test;
import org.junit.runner.RunWith;
import java.io.File;
import java.io.IOException;
@SmallTest
@RunWith(AndroidJUnit4.class)
public class SystemEmojiTest {
@Test
public void uniquePostScript() throws IOException {
File emojiFont = null;
for (Font font : SystemFonts.getAvailableFonts()) {
if (font.getFile().getName().equals("NotoColorEmoji.ttf")) {
emojiFont = font.getFile();
}
}
// NotoColorEmoji.ttf should be always available as a fallback font even if another emoji
// font files are installed in the system.
assertThat(emojiFont).isNotNull();
}
public String getFontName(String chars) {
Paint paint = new Paint();
PositionedGlyphs glyphs = TextRunShaper.shapeTextRun(
chars, 0, chars.length(), 0, chars.length(), 0f, 0f, false, paint);
assertThat(glyphs.glyphCount()).isEqualTo(1);
assertThat(glyphs.getFont(0)).isNotNull();
File file = glyphs.getFont(0).getFile();
assertThat(file).isNotNull();
return file.getName();
}
@Test
public void doNotDrawLegacy() {
assertThat(getFontName("\u263A")).isNotEqualTo("NotoColorEmojiLegacy.ttf");
}
@Test
public void doNotRemoveLegacyFont() {
// Due to size limitations NotoColorEmojiLegacy.ttf is excluded from Wear OS
if (FeatureUtil.isWatch()) {
return;
}
File legacyFile = new File("/system/fonts", "NotoColorEmojiLegacy.ttf");
assertThat(legacyFile.exists()).isTrue();
assertThat(legacyFile.isFile()).isTrue();
assertThat(legacyFile.canRead()).isTrue();
}
}
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