1/* 2 * Copyright (C) 2013 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17package android.text; 18 19import com.google.caliper.AfterExperiment; 20import com.google.caliper.BeforeExperiment; 21import com.google.caliper.Benchmark; 22import com.google.caliper.Param; 23 24public class SpannableStringInternalCopyBenchmark { 25 26 @Param({"1", "4", "16"}) 27 private String paramStringMult; 28 29 private SpannedString spanned; 30 31 @BeforeExperiment 32 protected void setUp() throws Exception { 33 int strSize = Integer.parseInt(paramStringMult); 34 StringBuilder strBuilder = new StringBuilder(); 35 for (int i = 0; i < strSize; i++) { 36 strBuilder.append(SpannableStringBuilderBenchmark.TEST_STRING); 37 } 38 Spanned source = Html.fromHtml(strBuilder.toString()); 39 spanned = new SpannedString(source); 40 } 41 42 @AfterExperiment 43 protected void tearDown() { 44 spanned = null; 45 } 46 47 @Benchmark 48 public void timeCopyConstructor(int reps) throws Exception { 49 for (int i = 0; i < reps; i++) { 50 new SpannedString(spanned); 51 } 52 } 53 54 @Benchmark 55 public void timeSubsequence(int reps) throws Exception { 56 for (int i = 0; i < reps; i++) { 57 spanned.subSequence(1, spanned.length()-1); 58 } 59 } 60 61} 62