| // 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.shaking; |
| |
| import static com.android.tools.r8.utils.codeinspector.Matchers.isPresent; |
| import static org.hamcrest.CoreMatchers.not; |
| import static org.hamcrest.MatcherAssert.assertThat; |
| |
| import com.android.tools.r8.NeverClassInline; |
| import com.android.tools.r8.NeverInline; |
| import com.android.tools.r8.NoHorizontalClassMerging; |
| 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.StringUtils; |
| import com.android.tools.r8.utils.codeinspector.ClassSubject; |
| import com.android.tools.r8.utils.codeinspector.CodeInspector; |
| import org.junit.Test; |
| import org.junit.runner.RunWith; |
| import org.junit.runners.Parameterized; |
| |
| @RunWith(Parameterized.class) |
| public class NonTargetedMethodTest extends TestBase { |
| |
| static final String EXPECTED = StringUtils.lines("A::foo", "C::bar"); |
| |
| private final TestParameters parameters; |
| |
| @Parameterized.Parameters(name = "{0}") |
| public static TestParametersCollection data() { |
| return getTestParameters().withAllRuntimesAndApiLevels().build(); |
| } |
| |
| public NonTargetedMethodTest(TestParameters parameters) { |
| this.parameters = parameters; |
| } |
| |
| @Test |
| public void test() throws Exception { |
| testForR8(parameters.getBackend()) |
| .enableInliningAnnotations() |
| .enableNoVerticalClassMergingAnnotations() |
| .enableNoHorizontalClassMergingAnnotations() |
| .enableNeverClassInliningAnnotations() |
| .addInnerClasses(NonTargetedMethodTest.class) |
| .addKeepMainRule(Main.class) |
| .setMinApi(parameters) |
| .run(parameters.getRuntime(), Main.class) |
| .assertSuccessWithOutput(EXPECTED) |
| .inspect(this::checkIsFooPresent); |
| } |
| |
| private void checkIsFooPresent(CodeInspector inspector) { |
| ClassSubject classSubject = inspector.clazz(C.class); |
| assertThat(classSubject, isPresent()); |
| assertThat(classSubject.uniqueMethodWithOriginalName("foo"), not(isPresent())); |
| } |
| |
| @NoVerticalClassMerging |
| private static class A { |
| @NeverInline |
| public void foo() { |
| System.out.println("A::foo"); |
| } |
| } |
| |
| @NoVerticalClassMerging |
| @NeverClassInline |
| private static class B extends A { |
| // No override of foo, but B::foo will be the only target. |
| } |
| |
| @NeverClassInline |
| @NoHorizontalClassMerging |
| private static class C extends A { |
| |
| // Non-targeted override. |
| @Override |
| public void foo() { |
| System.out.println("C::foo"); |
| } |
| |
| @NeverInline |
| public void bar() { |
| System.out.println("C::bar"); |
| } |
| } |
| |
| private static class Main { |
| |
| public static void main(String[] args) { |
| new B().foo(); |
| new C().bar(); |
| } |
| } |
| } |