| /* |
| * Copyright (C) 2016 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.util; |
| |
| import com.google.caliper.AfterExperiment; |
| import com.google.caliper.BeforeExperiment; |
| import com.google.caliper.Benchmark; |
| import com.google.caliper.Param; |
| |
| import android.text.Spannable; |
| import android.text.SpannableString; |
| import android.util.Patterns; |
| |
| import java.util.regex.Pattern; |
| |
| public class LinkifyBenchmark { |
| private static final String MATCHING_STR = " http://user:pass@host.com:5432/path?k=v#f " + |
| "host.com:5432/path?k=v#f "; |
| |
| private static final String NONMATCHING_STR = " Neque porro quisquam est qui dolorem ipsum " + |
| "quia dolor sit amet, consectetur, adipisci velit "; |
| |
| // this pattern does not recognize strings without http scheme therefore is expected to be |
| // faster in MATCHING_STR case. |
| private static final Pattern BASIC_PATTERN = Pattern.compile( |
| "(?:\\b|$|^)http://[a-zA-Z0-9:\\.@\\?=#/]+(?:\\b|$|^)"); |
| |
| @Param({"1", "4", "16", "64", "256"}) |
| private String mParamCopyAmount; |
| |
| @Param({MATCHING_STR, NONMATCHING_STR}) |
| private String mParamBasicText; |
| |
| private Spannable mTestSpannable; |
| |
| @BeforeExperiment |
| protected void setUp() throws Exception { |
| int copyAmount = Integer.parseInt(mParamCopyAmount); |
| StringBuilder strBuilder = new StringBuilder(); |
| for (int i = 0; i < copyAmount; i++) { |
| strBuilder.append(mParamBasicText); |
| } |
| mTestSpannable = new SpannableString(strBuilder.toString()); |
| } |
| |
| @AfterExperiment |
| protected void tearDown() { |
| mTestSpannable = null; |
| } |
| |
| @Benchmark |
| public void timeNewRegEx(int reps) throws Exception { |
| for (int i = 0; i < reps; i++) { |
| Linkify.addLinks(mTestSpannable, Patterns.AUTOLINK_WEB_URL, "http://", |
| new String[]{"http://", "https://", "rtsp://"}, null, null); |
| } |
| } |
| |
| @Benchmark |
| public void timeOldRegEx(int reps) throws Exception { |
| for (int i = 0; i < reps; i++) { |
| Linkify.addLinks(mTestSpannable, Patterns.WEB_URL, "http://", |
| new String[]{"http://", "https://", "rtsp://"}, null, null); |
| } |
| } |
| |
| @Benchmark |
| public void timeBasicRegEx(int reps) throws Exception { |
| for (int i = 0; i < reps; i++) { |
| Linkify.addLinks(mTestSpannable, BASIC_PATTERN, "http://", |
| new String[]{"http://", "https://", "rtsp://"}, null, null); |
| } |
| } |
| |
| } |