| // 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.ir.optimize.unusedarguments; |
| |
| import com.android.tools.r8.NoVerticalClassMerging; |
| 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 UnusedArgumentsInMethodThatImplementsInterfaceMethodOnSubTest extends TestBase { |
| |
| private final TestParameters parameters; |
| |
| @Parameters(name = "{0}") |
| public static TestParametersCollection data() { |
| return getTestParameters().withAllRuntimesAndApiLevels().build(); |
| } |
| |
| public UnusedArgumentsInMethodThatImplementsInterfaceMethodOnSubTest(TestParameters parameters) { |
| this.parameters = parameters; |
| } |
| |
| @Test |
| public void test() throws Exception { |
| testForR8(parameters.getBackend()) |
| .addInnerClasses(UnusedArgumentsInMethodThatImplementsInterfaceMethodOnSubTest.class) |
| .addKeepMainRule(TestClass.class) |
| .enableNoVerticalClassMergingAnnotations() |
| .setMinApi(parameters.getApiLevel()) |
| .run(parameters.getRuntime(), TestClass.class) |
| .assertSuccessWithOutputLines("Hello from A", "Hello from C"); |
| } |
| |
| static class TestClass { |
| |
| public static void main(String[] args) { |
| for (I o : new I[] {new B(), new C()}) { |
| o.method(new Object()); |
| } |
| } |
| } |
| |
| interface I { |
| |
| void method(Object o); |
| } |
| |
| @NoVerticalClassMerging |
| static class A { |
| |
| public void method(Object unused) { |
| System.out.println("Hello from A"); |
| } |
| } |
| |
| static class B extends A implements I {} |
| |
| static class C implements I { |
| |
| @Override |
| public void method(Object o) { |
| if (o != null) { |
| System.out.println("Hello from C"); |
| } |
| } |
| } |
| } |