diff --git a/core/tests/benchmarks/src/android/text/util/LinkifyBenchmark.java b/core/tests/benchmarks/src/android/text/util/LinkifyBenchmark.java new file mode 100644 index 0000000000000..a6e433fcb8d8d --- /dev/null +++ b/core/tests/benchmarks/src/android/text/util/LinkifyBenchmark.java @@ -0,0 +1,89 @@ +/* + * 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.valueOf(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); + } + } + +}