| /* |
| * Copyright (C) 2008 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; |
| |
| import static org.junit.Assert.assertEquals; |
| import static org.junit.Assert.assertTrue; |
| |
| import android.content.Context; |
| import android.content.res.AssetManager; |
| import android.content.res.Resources; |
| |
| import androidx.test.InstrumentationRegistry; |
| import androidx.test.filters.LargeTest; |
| import androidx.test.filters.MediumTest; |
| import androidx.test.filters.SmallTest; |
| import androidx.test.runner.AndroidJUnit4; |
| |
| import com.android.frameworks.coretests.R; |
| |
| import org.junit.Test; |
| import org.junit.runner.RunWith; |
| |
| import java.util.Random; |
| |
| @RunWith(AndroidJUnit4.class) |
| public class TypefaceTest { |
| |
| // create array of all std faces |
| private final Typeface[] mFaces = new Typeface[] { |
| Typeface.create(Typeface.SANS_SERIF, 0), |
| Typeface.create(Typeface.SANS_SERIF, 1), |
| Typeface.create(Typeface.SERIF, 0), |
| Typeface.create(Typeface.SERIF, 1), |
| Typeface.create(Typeface.SERIF, 2), |
| Typeface.create(Typeface.SERIF, 3), |
| Typeface.create(Typeface.MONOSPACE, 0) |
| }; |
| |
| @SmallTest |
| @Test |
| public void testBasic() throws Exception { |
| assertTrue("basic", Typeface.DEFAULT != null); |
| assertTrue("basic", Typeface.DEFAULT_BOLD != null); |
| assertTrue("basic", Typeface.SANS_SERIF != null); |
| assertTrue("basic", Typeface.SERIF != null); |
| assertTrue("basic", Typeface.MONOSPACE != null); |
| } |
| |
| @SmallTest |
| @Test |
| public void testUnique() throws Exception { |
| final int n = mFaces.length; |
| for (int i = 0; i < n; i++) { |
| for (int j = i + 1; j < n; j++) { |
| assertTrue("unique", mFaces[i] != mFaces[j]); |
| } |
| } |
| } |
| |
| @SmallTest |
| @Test |
| public void testStyles() throws Exception { |
| assertTrue("style", mFaces[0].getStyle() == Typeface.NORMAL); |
| assertTrue("style", mFaces[1].getStyle() == Typeface.BOLD); |
| assertTrue("style", mFaces[2].getStyle() == Typeface.NORMAL); |
| assertTrue("style", mFaces[3].getStyle() == Typeface.BOLD); |
| assertTrue("style", mFaces[4].getStyle() == Typeface.ITALIC); |
| assertTrue("style", mFaces[5].getStyle() == Typeface.BOLD_ITALIC); |
| assertTrue("style", mFaces[6].getStyle() == Typeface.NORMAL); |
| } |
| |
| @MediumTest |
| @Test |
| public void testUniformY() throws Exception { |
| Paint p = new Paint(); |
| final int n = mFaces.length; |
| for (int i = 1; i <= 36; i++) { |
| p.setTextSize(i); |
| float ascent = 0; |
| float descent = 0; |
| for (int j = 0; j < n; j++) { |
| p.setTypeface(mFaces[j]); |
| Paint.FontMetrics fm = p.getFontMetrics(); |
| if (j == 0) { |
| ascent = fm.ascent; |
| descent = fm.descent; |
| } else { |
| assertTrue("fontMetrics", fm.ascent == ascent); |
| assertTrue("fontMetrics", fm.descent == descent); |
| } |
| } |
| } |
| } |
| |
| @LargeTest |
| @Test |
| public void testMultithreadCacheStressTest() { |
| final Context context = InstrumentationRegistry.getInstrumentation().getTargetContext(); |
| final Resources res = context.getResources(); |
| final AssetManager assets = res.getAssets(); |
| final Typeface[] baseTypefaces = { |
| null, |
| Typeface.SANS_SERIF, |
| Typeface.SERIF, |
| Typeface.MONOSPACE, |
| res.getFont(R.font.samplefont), |
| res.getFont(R.font.samplefont2), |
| res.getFont(R.font.samplefont3), |
| res.getFont(R.font.samplefont4), |
| res.getFont(R.font.samplexmlfont), |
| Typeface.createFromAsset(assets, "fonts/a3em.ttf"), |
| Typeface.createFromAsset(assets, "fonts/b3em.ttf"), |
| Typeface.createFromAsset(assets, "fonts/c3em.ttf"), |
| Typeface.createFromAsset(assets, "fonts/all2em.ttf"), |
| Typeface.createFromAsset(assets, "fonts/hasGlyphTestFont.ttf"), |
| Typeface.createFromAsset(assets, "fonts/samplefont1.ttf"), |
| Typeface.createFromAsset(assets, "fonts/no_coverage.ttf"), |
| }; |
| |
| final int loopCount = 10000; |
| |
| final Runnable threadedCreater = () -> { |
| final Random random = new Random(); |
| for (int i = 0; i < loopCount; ++i) { |
| final Typeface base = baseTypefaces[random.nextInt(baseTypefaces.length)]; |
| if (random.nextBoolean()) { |
| final int style = random.nextInt(3); |
| final Typeface result = Typeface.create(base, style); |
| assertEquals(style, result.getStyle()); |
| } else { |
| final int weight = 100 * (random.nextInt(10) + 1); // [100, 1000] |
| final boolean italic = random.nextBoolean(); |
| final Typeface result = Typeface.create(base, weight, italic); |
| assertEquals(italic, result.isItalic()); |
| assertEquals(weight, result.getWeight()); |
| } |
| } |
| }; |
| |
| final int threadCount = 4; |
| final Thread[] threads = new Thread[threadCount]; |
| for (int i = 0; i < threadCount; ++i) { |
| threads[i] = new Thread(threadedCreater); |
| } |
| |
| for (int i = 0; i < threadCount; ++i) { |
| threads[i].start(); |
| } |
| |
| for (int i = 0; i < threadCount; ++i) { |
| try { |
| threads[i].join(); |
| } catch (InterruptedException e) { |
| // ignore |
| } |
| } |
| |
| } |
| |
| } |