| /* |
| * 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.app.Activity; |
| import android.os.Bundle; |
| import android.support.test.InstrumentationRegistry; |
| import android.support.test.filters.LargeTest; |
| import android.support.test.runner.AndroidJUnit4; |
| |
| import org.junit.Before; |
| import org.junit.Test; |
| import org.junit.runner.RunWith; |
| |
| import java.util.Locale; |
| |
| @LargeTest |
| @RunWith(AndroidJUnit4.class) |
| public class PrecomputedTextMemoryUsageTest { |
| private static final int WORD_LENGTH = 9; // Random word has 9 characters. |
| private static final boolean NO_STYLE_TEXT = false; |
| |
| private static int TRIAL_COUNT = 10; |
| |
| public PrecomputedTextMemoryUsageTest() {} |
| |
| private TextPerfUtils mTextUtil = new TextPerfUtils(); |
| |
| @Before |
| public void setUp() { |
| mTextUtil.resetRandom(0 /* seed */); |
| } |
| |
| private void reportMemoryUsage(int memoryUsage, String key) { |
| Bundle status = new Bundle(); |
| status.putInt(key + "_median", memoryUsage); |
| InstrumentationRegistry.getInstrumentation().sendStatus(Activity.RESULT_OK, status); |
| } |
| |
| private int median(int[] values) { |
| return values.length % 2 == 0 ? |
| (values[values.length / 2] + values[values.length / 2 - 1]) / 2: |
| values[values.length / 2]; |
| } |
| |
| @Test |
| public void testMemoryUsage_Latin_NoHyphenation() { |
| TextPaint paint = new TextPaint(); |
| int[] memories = new int[TRIAL_COUNT]; |
| final PrecomputedText.Params param = new PrecomputedText.Params.Builder(paint) |
| .setBreakStrategy(Layout.BREAK_STRATEGY_SIMPLE) |
| .setHyphenationFrequency(Layout.HYPHENATION_FREQUENCY_NONE) |
| .build(); |
| |
| // Report median of randomly generated PrecomputedText. |
| for (int i = 0; i < TRIAL_COUNT; ++i) { |
| memories[i] = PrecomputedText.create( |
| mTextUtil.nextRandomParagraph(WORD_LENGTH, NO_STYLE_TEXT), param) |
| .getMemoryUsage(); |
| } |
| reportMemoryUsage(median(memories), "MemoryUsage_Latin_NoHyphenation"); |
| } |
| |
| @Test |
| public void testMemoryUsage_Latin_Hyphenation() { |
| TextPaint paint = new TextPaint(); |
| int[] memories = new int[TRIAL_COUNT]; |
| final PrecomputedText.Params param = new PrecomputedText.Params.Builder(paint) |
| .setBreakStrategy(Layout.BREAK_STRATEGY_BALANCED) |
| .setHyphenationFrequency(Layout.HYPHENATION_FREQUENCY_NORMAL) |
| .build(); |
| |
| // Report median of randomly generated PrecomputedText. |
| for (int i = 0; i < TRIAL_COUNT; ++i) { |
| memories[i] = PrecomputedText.create( |
| mTextUtil.nextRandomParagraph(WORD_LENGTH, NO_STYLE_TEXT), param) |
| .getMemoryUsage(); |
| } |
| reportMemoryUsage(median(memories), "MemoryUsage_Latin_Hyphenation"); |
| } |
| |
| @Test |
| public void testMemoryUsage_CJK_NoHyphenation() { |
| TextPaint paint = new TextPaint(); |
| int[] memories = new int[TRIAL_COUNT]; |
| final PrecomputedText.Params param = new PrecomputedText.Params.Builder(paint) |
| .setBreakStrategy(Layout.BREAK_STRATEGY_SIMPLE) |
| .setHyphenationFrequency(Layout.HYPHENATION_FREQUENCY_NONE) |
| .build(); |
| |
| // Report median of randomly generated PrecomputedText. |
| for (int i = 0; i < TRIAL_COUNT; ++i) { |
| memories[i] = PrecomputedText.create( |
| mTextUtil.nextRandomParagraph(WORD_LENGTH, NO_STYLE_TEXT, "[\\u4E00-\\u9FA0]"), |
| param).getMemoryUsage(); |
| } |
| reportMemoryUsage(median(memories), "MemoryUsage_CJK_NoHyphenation"); |
| } |
| |
| @Test |
| public void testMemoryUsage_CJK_Hyphenation() { |
| TextPaint paint = new TextPaint(); |
| int[] memories = new int[TRIAL_COUNT]; |
| final PrecomputedText.Params param = new PrecomputedText.Params.Builder(paint) |
| .setBreakStrategy(Layout.BREAK_STRATEGY_BALANCED) |
| .setHyphenationFrequency(Layout.HYPHENATION_FREQUENCY_NORMAL) |
| .build(); |
| |
| // Report median of randomly generated PrecomputedText. |
| for (int i = 0; i < TRIAL_COUNT; ++i) { |
| memories[i] = PrecomputedText.create( |
| mTextUtil.nextRandomParagraph(WORD_LENGTH, NO_STYLE_TEXT, "[\\u4E00-\\u9FA0]"), |
| param).getMemoryUsage(); |
| } |
| reportMemoryUsage(median(memories), "MemoryUsage_CJK_Hyphenation"); |
| } |
| |
| @Test |
| public void testMemoryUsage_Arabic_NoHyphenation() { |
| TextPaint paint = new TextPaint(); |
| paint.setTextLocale(Locale.forLanguageTag("ar")); |
| int[] memories = new int[TRIAL_COUNT]; |
| final PrecomputedText.Params param = new PrecomputedText.Params.Builder(paint) |
| .setBreakStrategy(Layout.BREAK_STRATEGY_SIMPLE) |
| .setHyphenationFrequency(Layout.HYPHENATION_FREQUENCY_NONE) |
| .build(); |
| |
| // Report median of randomly generated PrecomputedText. |
| for (int i = 0; i < TRIAL_COUNT; ++i) { |
| memories[i] = PrecomputedText.create( |
| mTextUtil.nextRandomParagraph(WORD_LENGTH, NO_STYLE_TEXT, "[\\u0600-\\u06FF]"), |
| param).getMemoryUsage(); |
| } |
| reportMemoryUsage(median(memories), "MemoryUsage_Arabic_NoHyphenation"); |
| } |
| |
| @Test |
| public void testMemoryUsage_Arabic_Hyphenation() { |
| TextPaint paint = new TextPaint(); |
| paint.setTextLocale(Locale.forLanguageTag("ar")); |
| int[] memories = new int[TRIAL_COUNT]; |
| final PrecomputedText.Params param = new PrecomputedText.Params.Builder(paint) |
| .setBreakStrategy(Layout.BREAK_STRATEGY_BALANCED) |
| .setHyphenationFrequency(Layout.HYPHENATION_FREQUENCY_NORMAL) |
| .build(); |
| |
| // Report median of randomly generated PrecomputedText. |
| for (int i = 0; i < TRIAL_COUNT; ++i) { |
| memories[i] = PrecomputedText.create( |
| mTextUtil.nextRandomParagraph(WORD_LENGTH, NO_STYLE_TEXT, "[\\u0600-\\u06FF]"), |
| param).getMemoryUsage(); |
| } |
| reportMemoryUsage(median(memories), "MemoryUsage_Arabic_Hyphenation"); |
| } |
| @Test |
| public void testMemoryUsage_Emoji() { |
| TextPaint paint = new TextPaint(); |
| int[] memories = new int[TRIAL_COUNT]; |
| final PrecomputedText.Params param = new PrecomputedText.Params.Builder(paint) |
| .setBreakStrategy(Layout.BREAK_STRATEGY_SIMPLE) |
| .setHyphenationFrequency(Layout.HYPHENATION_FREQUENCY_NONE) |
| .build(); |
| |
| // Report median of randomly generated PrecomputedText. |
| for (int i = 0; i < TRIAL_COUNT; ++i) { |
| memories[i] = PrecomputedText.create( |
| mTextUtil.nextRandomParagraph(WORD_LENGTH, NO_STYLE_TEXT, "[:emoji:]"), |
| param).getMemoryUsage(); |
| } |
| reportMemoryUsage(median(memories), "MemoryUsage_Emoji_NoHyphenation"); |
| } |
| } |