| // Copyright (c) 2021, 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.horizontal; |
| |
| import static com.android.tools.r8.utils.codeinspector.Matchers.isPresent; |
| import static org.hamcrest.MatcherAssert.assertThat; |
| import static org.junit.Assert.assertEquals; |
| |
| import com.android.tools.r8.NeverClassInline; |
| import com.android.tools.r8.NeverInline; |
| import com.android.tools.r8.NoHorizontalClassMerging; |
| 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.FoundMethodSubject; |
| 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 EquivalentConstructorsWithoutClassIdMergingTest extends TestBase { |
| |
| private final TestParameters parameters; |
| |
| @Parameters(name = "{0}") |
| public static TestParametersCollection params() { |
| return getTestParameters().withAllRuntimesAndApiLevels().build(); |
| } |
| |
| public EquivalentConstructorsWithoutClassIdMergingTest(TestParameters parameters) { |
| this.parameters = parameters; |
| } |
| |
| @Test |
| public void test() throws Exception { |
| testForR8(parameters.getBackend()) |
| .addInnerClasses(getClass()) |
| .addKeepMainRule(Main.class) |
| .addHorizontallyMergedClassesInspector( |
| inspector -> |
| inspector.assertIsCompleteMergeGroup(A.class, B.class).assertNoOtherClassesMerged()) |
| .enableInliningAnnotations() |
| .enableNeverClassInliningAnnotations() |
| .enableNoHorizontalClassMergingAnnotations() |
| .setMinApi(parameters.getApiLevel()) |
| .compile() |
| .inspect( |
| inspector -> { |
| ClassSubject aClassSubject = inspector.clazz(A.class); |
| assertThat(aClassSubject, isPresent()); |
| assertEquals( |
| 1, aClassSubject.allMethods(FoundMethodSubject::isInstanceInitializer).size()); |
| }) |
| .run(parameters.getRuntime(), Main.class) |
| .assertSuccessWithOutputLines("C", "D"); |
| } |
| |
| static class Main { |
| |
| public static void main(String[] args) { |
| System.out.println(new A(new C()).foo()); |
| System.out.println(new B(new D()).bar()); |
| } |
| } |
| |
| @NeverClassInline |
| static class A { |
| |
| private final C c; |
| |
| A(C c) { |
| this.c = c; |
| } |
| |
| @NeverInline |
| public String foo() { |
| return c.toString(); |
| } |
| } |
| |
| @NeverClassInline |
| static class B { |
| |
| private final D d; |
| |
| B(D d) { |
| this.d = d; |
| } |
| |
| @NeverInline |
| public String bar() { |
| return d.toString(); |
| } |
| } |
| |
| @NeverClassInline |
| @NoHorizontalClassMerging |
| static class C { |
| |
| @Override |
| public String toString() { |
| return "C"; |
| } |
| } |
| |
| @NeverClassInline |
| @NoHorizontalClassMerging |
| static class D { |
| |
| @Override |
| public String toString() { |
| return "D"; |
| } |
| } |
| } |