| // Copyright (c) 2022, 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.optimize.proto; |
| |
| import static com.android.tools.r8.utils.codeinspector.Matchers.isPresent; |
| import static com.android.tools.r8.utils.codeinspector.MethodMatchers.hasParameters; |
| import static org.hamcrest.MatcherAssert.assertThat; |
| |
| import com.android.tools.r8.NeverInline; |
| 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 com.android.tools.r8.utils.codeinspector.ClassSubject; |
| import com.android.tools.r8.utils.codeinspector.MethodSubject; |
| import com.android.tools.r8.utils.codeinspector.TypeSubject; |
| import org.junit.Test; |
| import org.junit.runner.RunWith; |
| import org.junit.runners.Parameterized; |
| import org.junit.runners.Parameterized.Parameter; |
| import org.junit.runners.Parameterized.Parameters; |
| |
| @RunWith(Parameterized.class) |
| public class ProtoNormalizationWithKeptVirtualMethodTest extends TestBase { |
| |
| @Parameter(0) |
| public TestParameters parameters; |
| |
| @Parameters(name = "{0}") |
| public static TestParametersCollection data() { |
| return getTestParameters().withAllRuntimesAndApiLevels().build(); |
| } |
| |
| @Test |
| public void test() throws Exception { |
| testForR8(parameters.getBackend()) |
| .addInnerClasses(getClass()) |
| .addKeepClassAndMembersRules(Main.class) |
| .addKeepRules("-keepclassmembers class " + A.class.getTypeName() + " { void foo(...); }") |
| .enableInliningAnnotations() |
| .enableNoVerticalClassMergingAnnotations() |
| .setMinApi(parameters.getApiLevel()) |
| .compile() |
| .inspect( |
| inspector -> { |
| ClassSubject aClassSubject = inspector.clazz(A.class); |
| assertThat(aClassSubject, isPresent()); |
| |
| ClassSubject bClassSubject = inspector.clazz(B.class); |
| assertThat(bClassSubject, isPresent()); |
| |
| TypeSubject aTypeSubject = aClassSubject.asTypeSubject(); |
| TypeSubject bTypeSubject = bClassSubject.asTypeSubject(); |
| |
| // A.foo(B, A) is kept. |
| MethodSubject fooMethodSubject = aClassSubject.uniqueMethodWithName("foo"); |
| assertThat(fooMethodSubject, isPresent()); |
| assertThat(fooMethodSubject, hasParameters(bTypeSubject, aTypeSubject)); |
| |
| // B.foo(B, A) overrides kept method. |
| MethodSubject otherFooMethodSubject = bClassSubject.uniqueMethodWithName("foo"); |
| assertThat(otherFooMethodSubject, isPresent()); |
| assertThat(otherFooMethodSubject, hasParameters(bTypeSubject, aTypeSubject)); |
| }) |
| .run(parameters.getRuntime(), Main.class) |
| .assertSuccessWithOutputLines("A", "B", "A", "B"); |
| } |
| |
| static class Main { |
| |
| public static void main(String[] args) { |
| A a = new A(); |
| B b = new B(); |
| a.foo(b, a); |
| b.foo(b, a); |
| extra(a, b); |
| } |
| |
| // @Keep to ensure that the program has parameter lists (A, B) and (B, A), or we will not |
| // optimize in the first place. |
| static void extra(A a, B b) {} |
| } |
| |
| @NoVerticalClassMerging |
| static class A { |
| |
| // @Keep |
| @NeverInline |
| public void foo(B b, A a) { |
| System.out.println(a); |
| System.out.println(b); |
| } |
| |
| @Override |
| public String toString() { |
| return "A"; |
| } |
| } |
| |
| static class B extends A { |
| |
| @NeverInline |
| @Override |
| public void foo(B b, A a) { |
| System.out.println(a); |
| System.out.println(b); |
| } |
| |
| @Override |
| public String toString() { |
| return "B"; |
| } |
| } |
| } |