| // Copyright (c) 2019 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.regress.b120164595; |
| |
| import static org.junit.Assert.assertEquals; |
| import static org.junit.Assert.assertFalse; |
| |
| import com.android.tools.r8.CompilationFailedException; |
| import com.android.tools.r8.TestBase; |
| import com.android.tools.r8.TestCompileResult; |
| import com.android.tools.r8.ToolHelper.DexVm; |
| import com.android.tools.r8.ToolHelper.ProcessResult; |
| import java.io.IOException; |
| import org.junit.Test; |
| |
| /** |
| * Regression test for art issue with multi catch-handlers. |
| * The problem is that if d8/r8 creates the same target address for two different exceptions, |
| * art will use that address to check if it was already handled. |
| */ |
| class TestClass { |
| public static void main(String[] args) { |
| for (int i = 0; i < 20000; i++) { |
| toBeOptimized(); |
| } |
| } |
| |
| private static void toBeOptimized() { |
| try { |
| willThrow(); |
| } catch (IllegalStateException | NullPointerException e) { |
| if (e instanceof NullPointerException) { |
| return; |
| } |
| throw new Error("Expected NullPointerException"); |
| } |
| } |
| |
| private static void willThrow() { |
| throw new NullPointerException(); |
| } |
| } |
| |
| public class B120164595 extends TestBase { |
| @Test |
| public void testD8() |
| throws IOException, CompilationFailedException { |
| TestCompileResult d8Result = testForD8().addProgramClasses(TestClass.class).compile(); |
| checkArt(d8Result); |
| } |
| |
| @Test |
| public void testR8() |
| throws IOException, CompilationFailedException { |
| TestCompileResult r8Result = testForR8(Backend.DEX) |
| .addProgramClasses(TestClass.class) |
| .addKeepClassAndMembersRules(TestClass.class) |
| .compile(); |
| checkArt(r8Result); |
| } |
| |
| private void checkArt(TestCompileResult result) throws IOException { |
| ProcessResult artResult = |
| runOnArtRaw( |
| result.app, |
| TestClass.class.getCanonicalName(), |
| builder -> { |
| builder.appendArtOption("-Xusejit:true"); |
| }, |
| DexVm.fromVersion(DexVm.Version.last())); |
| assertEquals(0, artResult.exitCode); |
| assertFalse(artResult.stderr.contains("Expected NullPointerException")); |
| } |
| } |