| // 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.classmerging; |
| |
| import com.android.tools.r8.NeverClassInline; |
| 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.StringUtils; |
| import java.lang.reflect.Proxy; |
| import org.junit.Test; |
| import org.junit.runner.RunWith; |
| import org.junit.runners.Parameterized; |
| |
| @RunWith(Parameterized.class) |
| public class InterfaceWithProxyTest extends TestBase { |
| |
| private static final String EXPECTED = StringUtils.lines("Hello world!"); |
| |
| private final TestParameters parameters; |
| |
| @Parameterized.Parameters(name = "{0}") |
| public static TestParametersCollection data() { |
| return getTestParameters().withAllRuntimesAndApiLevels().build(); |
| } |
| |
| public InterfaceWithProxyTest(TestParameters parameters) { |
| this.parameters = parameters; |
| } |
| |
| @Test |
| public void testReference() throws Exception { |
| testForRuntime(parameters) |
| .addInnerClasses(InterfaceWithProxyTest.class) |
| .run(parameters.getRuntime(), TestClass.class) |
| .assertSuccessWithOutput(EXPECTED); |
| } |
| |
| @Test |
| public void testR8() throws Exception { |
| testForR8(parameters.getBackend()) |
| .addInnerClasses(InterfaceWithProxyTest.class) |
| .addKeepMainRule(TestClass.class) |
| .enableNeverClassInliningAnnotations() |
| .enableInliningAnnotations() |
| .setMinApi(parameters.getApiLevel()) |
| .run(parameters.getRuntime(), TestClass.class) |
| .assertSuccessWithOutput(EXPECTED); |
| } |
| |
| static class TestClass { |
| |
| public static void main(String[] args) { |
| I obj = |
| (I) |
| Proxy.newProxyInstance( |
| TestClass.class.getClassLoader(), |
| new Class<?>[] {I.class}, |
| (proxy, method, args1) -> { |
| System.out.print("Hello"); |
| return null; |
| }); |
| obj.greet(); |
| new A().greet(); |
| } |
| } |
| |
| interface I { |
| |
| void greet(); |
| } |
| |
| @NeverClassInline |
| static class A implements I { |
| |
| @NeverInline |
| @Override |
| public void greet() { |
| System.out.println(" world!"); |
| } |
| } |
| } |