| // Copyright (c) 2020, 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.inliner; |
| |
| import static org.junit.Assert.assertTrue; |
| |
| import com.android.tools.r8.NeverInline; |
| import com.android.tools.r8.TestBase; |
| import com.android.tools.r8.TestParameters; |
| import com.android.tools.r8.TestParametersCollection; |
| import com.android.tools.r8.utils.codeinspector.ClassSubject; |
| import com.android.tools.r8.utils.codeinspector.CodeInspector; |
| import com.google.common.collect.Streams; |
| import org.junit.Test; |
| import org.junit.runner.RunWith; |
| import org.junit.runners.Parameterized; |
| |
| /** Simple test to ensure that we do inline program defined types used in catch handler guards. */ |
| @RunWith(Parameterized.class) |
| public class InlineCatchHandlerWithProgramTypeTest extends TestBase { |
| |
| private final TestParameters parameters; |
| |
| @Parameterized.Parameters(name = "{0}") |
| public static TestParametersCollection data() { |
| return getTestParameters().withAllRuntimesAndApiLevels().build(); |
| } |
| |
| public InlineCatchHandlerWithProgramTypeTest(TestParameters parameters) { |
| this.parameters = parameters; |
| } |
| |
| @Test |
| public void test() throws Exception { |
| testForR8(parameters.getBackend()) |
| .addInnerClasses(InlineCatchHandlerWithProgramTypeTest.class) |
| .addKeepMainRule(TestClass.class) |
| .enableInliningAnnotations() |
| .setMinApi(parameters.getApiLevel()) |
| .run(parameters.getRuntime(), TestClass.class) |
| .assertSuccessWithOutputLines("Done...") |
| .inspect(this::checkInlined); |
| } |
| |
| private void checkInlined(CodeInspector inspector) { |
| ClassSubject classSubject = inspector.clazz(TestClass.class); |
| ClassSubject exceptionSubject = inspector.clazz(MyException.class); |
| boolean mainHasInlinedCatchHandler = |
| Streams.stream(classSubject.mainMethod().iterateTryCatches()) |
| .anyMatch(tryCatch -> tryCatch.isCatching(exceptionSubject.getFinalName())); |
| assertTrue(mainHasInlinedCatchHandler); |
| } |
| |
| static class MyException extends RuntimeException {} |
| |
| static class TestClass { |
| |
| public static void main(String[] args) { |
| if (args.length == 200) { |
| // Never called |
| ClassWithCatchHandler.methodWithCatch(); |
| } |
| System.out.println("Done..."); |
| } |
| } |
| |
| static class ClassWithCatchHandler { |
| |
| @NeverInline |
| public static void maybeThrow() { |
| if (System.nanoTime() > 0) { |
| throw new MyException(); |
| } |
| } |
| |
| public static void methodWithCatch() { |
| try { |
| maybeThrow(); |
| } catch (MyException e) { |
| System.out.println(e.getClass().getName()); |
| } |
| } |
| } |
| } |