| // Copyright (c) 2022, the R8 project authors. Please see the AUTHORS file |
| // for details. All rights reserved. Use of this source code is governed by a |
| // BSD-style license that can be found in the LICENSE file. |
| |
| package com.android.tools.r8.ir.optimize.string; |
| |
| import com.android.tools.r8.TestBase; |
| import com.android.tools.r8.TestParameters; |
| import com.android.tools.r8.TestParametersCollection; |
| import com.google.common.collect.Sets; |
| import org.junit.Test; |
| import org.junit.runner.RunWith; |
| import org.junit.runners.Parameterized; |
| |
| /** This is a regression test for b/237674850 */ |
| @RunWith(Parameterized.class) |
| public class StringBuilderWithConstantsBeforeAndInOpenEndedIfInLoopTest extends TestBase { |
| |
| private final TestParameters parameters; |
| |
| @Parameterized.Parameters(name = "{0}") |
| public static TestParametersCollection data() { |
| return getTestParameters().withAllRuntimesAndApiLevels().build(); |
| } |
| |
| public StringBuilderWithConstantsBeforeAndInOpenEndedIfInLoopTest(TestParameters parameters) { |
| this.parameters = parameters; |
| } |
| |
| @Test |
| public void test() throws Exception { |
| testForR8(parameters.getBackend()) |
| .addProgramClasses(TestClass.class) |
| .addKeepMainRule(TestClass.class) |
| .addOptionsModification( |
| options -> |
| options.itemFactory.libraryMethodsReturningReceiver = Sets.newIdentityHashSet()) |
| .setMinApi(parameters.getApiLevel()) |
| .run(parameters.getRuntime(), TestClass.class, "1", "3") |
| // TODO(b/237674850): Should be 0.1.2.3. |
| .assertSuccessWithOutputLines("0.1.2.3.2."); |
| } |
| |
| static class TestClass { |
| |
| public static void main(String[] args) { |
| StringBuilder builder = new StringBuilder(); |
| builder.append("0."); |
| for (int i = 0; i < args.length; ++i) { |
| builder.append(args[i]); |
| builder.append("."); |
| if (i != args.length - 1) { |
| builder.append("2."); |
| } |
| } |
| System.out.println(builder.toString()); |
| } |
| } |
| } |