| /* |
| * 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. |
| */ |
| |
| package android.text; |
| |
| import android.perftests.utils.BenchmarkState; |
| import android.perftests.utils.PerfStatusReporter; |
| |
| import android.support.test.filters.LargeTest; |
| import android.support.test.runner.AndroidJUnit4; |
| |
| import org.junit.Before; |
| import org.junit.Rule; |
| import org.junit.Test; |
| import org.junit.runner.RunWith; |
| |
| @LargeTest |
| @RunWith(AndroidJUnit4.class) |
| public class StaticLayoutGetOffsetForHorizontalPerfTest { |
| private static final int WORD_LENGTH = 9; // Random word has 9 characters. |
| private static final int WORDS_IN_LINE = 64; // Roughly, 64 words in a line. |
| private static final boolean NO_STYLE_TEXT = false; |
| private static final boolean STYLE_TEXT = true; |
| |
| private static TextPaint PAINT = new TextPaint(); |
| static { |
| PAINT.setTextSize(16.0f); |
| } |
| private static final int TEXT_WIDTH = WORDS_IN_LINE * WORD_LENGTH * (int) PAINT.getTextSize(); |
| |
| public StaticLayoutGetOffsetForHorizontalPerfTest() {} |
| |
| @Rule |
| public PerfStatusReporter mPerfStatusReporter = new PerfStatusReporter(); |
| |
| private TextPerfUtils mTextUtil = new TextPerfUtils(); |
| |
| @Before |
| public void setUp() { |
| mTextUtil.resetRandom(0 /* seed */); |
| } |
| |
| @Test |
| public void testGetOffsetForHorizontal_LTR() { |
| final BenchmarkState state = mPerfStatusReporter.getBenchmarkState(); |
| while (state.keepRunning()) { |
| state.pauseTiming(); |
| final CharSequence text = mTextUtil.nextRandomParagraph(WORD_LENGTH, NO_STYLE_TEXT, |
| "[a-zA-Z]"); |
| StaticLayout layout = |
| StaticLayout.Builder.obtain(text, 0, text.length(), PAINT, TEXT_WIDTH).build(); |
| state.resumeTiming(); |
| |
| layout.getOffsetForHorizontal(0, TEXT_WIDTH / 2.0f); |
| } |
| } |
| |
| @Test |
| public void testGetOffsetForHorizontal_RTL() { |
| final BenchmarkState state = mPerfStatusReporter.getBenchmarkState(); |
| while (state.keepRunning()) { |
| state.pauseTiming(); |
| final CharSequence text = mTextUtil.nextRandomParagraph(WORD_LENGTH, NO_STYLE_TEXT, |
| "[:Arabic:]"); |
| StaticLayout layout = |
| StaticLayout.Builder.obtain(text, 0, text.length(), PAINT, TEXT_WIDTH).build(); |
| state.resumeTiming(); |
| |
| layout.getOffsetForHorizontal(0, TEXT_WIDTH / 2.0f); |
| } |
| } |
| |
| @Test |
| public void testGetOffsetForHorizontal_BiDi() { |
| final BenchmarkState state = mPerfStatusReporter.getBenchmarkState(); |
| while (state.keepRunning()) { |
| state.pauseTiming(); |
| final CharSequence text = mTextUtil.nextRandomParagraph(WORD_LENGTH, NO_STYLE_TEXT, |
| "[[a-zA-Z][:Arabic:]]"); |
| StaticLayout layout = |
| StaticLayout.Builder.obtain(text, 0, text.length(), PAINT, TEXT_WIDTH).build(); |
| state.resumeTiming(); |
| |
| layout.getOffsetForHorizontal(0, TEXT_WIDTH / 2.0f); |
| } |
| } |
| } |