| // 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.devirtualize; |
| |
| 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 org.junit.Test; |
| import org.junit.runner.RunWith; |
| import org.junit.runners.Parameterized; |
| import org.junit.runners.Parameterized.Parameters; |
| |
| @RunWith(Parameterized.class) |
| public class DevirtualizeWithCatchHandlersTest extends TestBase { |
| |
| private final TestParameters parameters; |
| |
| @Parameters(name = "{0}") |
| public static TestParametersCollection data() { |
| return TestBase.getTestParameters().withAllRuntimesAndApiLevels().build(); |
| } |
| |
| public DevirtualizeWithCatchHandlersTest(TestParameters parameters) { |
| this.parameters = parameters; |
| } |
| |
| @Test |
| public void test() throws Exception { |
| testForR8(parameters.getBackend()) |
| .addInnerClasses(getClass()) |
| .addKeepMainRule(Main.class) |
| .addKeepRules( |
| // Disable uninstantiated type optimization for m(). |
| "-keepclassmembers class " + Uninstantiated.class.getTypeName() + " {", |
| " " + Uninstantiated.class.getTypeName() + " get();", |
| "}") |
| .enableInliningAnnotations() |
| .setMinApi(parameters.getApiLevel()) |
| .compile() |
| .run(parameters.getRuntime(), Main.class) |
| .assertSuccessWithOutputLines("A"); |
| } |
| |
| static class Main { |
| |
| public static void main(String[] args) { |
| try { |
| test(); |
| } catch (Exception e) { |
| System.out.println("Dead!"); |
| } |
| } |
| |
| static synchronized void test() { |
| I which = System.currentTimeMillis() > 0 ? new A() : Uninstantiated.get(); |
| which.m(); |
| } |
| } |
| |
| interface I { |
| |
| void m(); |
| } |
| |
| static class A implements I { |
| |
| @NeverInline |
| @Override |
| public void m() { |
| System.out.println("A"); |
| } |
| } |
| |
| static class Uninstantiated implements I { |
| |
| static Uninstantiated get() { |
| return null; |
| } |
| |
| @Override |
| public void m() { |
| throw new RuntimeException(); |
| } |
| } |
| } |