| // 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.desugaring.interfacemethods; |
| |
| import com.android.tools.r8.TestBase; |
| import com.android.tools.r8.TestParameters; |
| import com.android.tools.r8.TestParametersCollection; |
| import com.android.tools.r8.utils.StringUtils; |
| 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 TrapeziumTest extends TestBase { |
| |
| private final TestParameters parameters; |
| |
| @Parameters(name = "{0}") |
| public static TestParametersCollection data() { |
| return getTestParameters().withAllRuntimesAndApiLevels().build(); |
| } |
| |
| public TrapeziumTest(TestParameters parameters) { |
| this.parameters = parameters; |
| } |
| |
| @Test |
| public void testTrapezium() throws Exception { |
| testForRuntime(parameters) |
| .addInnerClasses(TrapeziumTest.class) |
| .run(parameters.getRuntime(), Main.class) |
| .assertSuccessWithOutput(StringUtils.lines("foo from superI", "foo from I")); |
| } |
| |
| static class Main { |
| |
| public static void main(String[] args) { |
| new SuperA().foo(); |
| new A().foo(); |
| } |
| } |
| |
| static class SuperA implements SuperI {} |
| |
| static class A extends SuperA implements I {} |
| |
| interface I extends SuperI { |
| default void foo() { |
| System.out.println("foo from I"); |
| } |
| } |
| |
| interface SuperI { |
| default void foo() { |
| System.out.println("foo from superI"); |
| } |
| } |
| } |