| /* |
| * Copyright (C) 2022 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.libcore.regression; |
| |
| import android.perftests.utils.BenchmarkState; |
| import android.perftests.utils.PerfStatusReporter; |
| import android.test.suitebuilder.annotation.LargeTest; |
| |
| import junitparams.JUnitParamsRunner; |
| import junitparams.Parameters; |
| |
| import org.junit.Rule; |
| import org.junit.Test; |
| import org.junit.runner.RunWith; |
| |
| import java.util.Arrays; |
| import java.util.Collection; |
| import java.util.Locale; |
| import java.util.regex.Matcher; |
| import java.util.regex.Pattern; |
| |
| @RunWith(JUnitParamsRunner.class) |
| @LargeTest |
| public final class SchemePrefixPerfTest { |
| @Rule public PerfStatusReporter mPerfStatusReporter = new PerfStatusReporter(); |
| |
| enum Strategy { |
| JAVA() { |
| @Override |
| String execute(String spec) { |
| int colon = spec.indexOf(':'); |
| |
| if (colon < 1) { |
| return null; |
| } |
| |
| for (int i = 0; i < colon; i++) { |
| char c = spec.charAt(i); |
| if (!isValidSchemeChar(i, c)) { |
| return null; |
| } |
| } |
| |
| return spec.substring(0, colon).toLowerCase(Locale.US); |
| } |
| |
| private boolean isValidSchemeChar(int index, char c) { |
| if ((c >= 'a' && c <= 'z') || (c >= 'A' && c <= 'Z')) { |
| return true; |
| } |
| if (index > 0 && ((c >= '0' && c <= '9') || c == '+' || c == '-' || c == '.')) { |
| return true; |
| } |
| return false; |
| } |
| }, |
| |
| REGEX() { |
| private final Pattern mPattern = Pattern.compile("^([a-zA-Z][a-zA-Z0-9+\\-.]*):"); |
| |
| @Override |
| String execute(String spec) { |
| Matcher matcher = mPattern.matcher(spec); |
| if (matcher.find()) { |
| return matcher.group(1).toLowerCase(Locale.US); |
| } else { |
| return null; |
| } |
| } |
| }; |
| |
| abstract String execute(String spec); |
| } |
| |
| public static Collection<Object[]> getData() { |
| return Arrays.asList(new Object[][] {{Strategy.REGEX}, {Strategy.JAVA}}); |
| } |
| |
| @Test |
| @Parameters(method = "getData") |
| public void timeSchemePrefix(Strategy strategy) { |
| BenchmarkState state = mPerfStatusReporter.getBenchmarkState(); |
| while (state.keepRunning()) { |
| strategy.execute("http://android.com"); |
| } |
| } |
| } |