| // 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.apimodel; |
| |
| import static com.android.tools.r8.apimodel.ApiModelingTestHelper.addTracedApiReferenceLevelCallBack; |
| import static com.android.tools.r8.apimodel.ApiModelingTestHelper.setMockApiLevelForClass; |
| import static com.android.tools.r8.apimodel.ApiModelingTestHelper.setMockApiLevelForDefaultInstanceInitializer; |
| import static com.android.tools.r8.utils.AndroidApiLevel.L_MR1; |
| import static com.android.tools.r8.utils.codeinspector.Matchers.isPresent; |
| import static org.hamcrest.CoreMatchers.not; |
| 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.TestBase; |
| import com.android.tools.r8.TestParameters; |
| import com.android.tools.r8.TestParametersCollection; |
| import com.android.tools.r8.references.Reference; |
| import com.android.tools.r8.utils.AndroidApiLevel; |
| 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 ApiModelVerticalMergingOfSuperClassTest extends TestBase { |
| |
| private final TestParameters parameters; |
| |
| @Parameters(name = "{0}") |
| public static TestParametersCollection data() { |
| return getTestParameters().withAllRuntimesAndApiLevels().build(); |
| } |
| |
| public ApiModelVerticalMergingOfSuperClassTest(TestParameters parameters) { |
| this.parameters = parameters; |
| } |
| |
| @Test |
| public void testR8() throws Exception { |
| testForR8(parameters.getBackend()) |
| .addProgramClasses(A.class, B.class, Main.class) |
| .addLibraryClasses(Api.class) |
| .addDefaultRuntimeLibrary(parameters) |
| .setMinApi(parameters) |
| .addKeepMainRule(Main.class) |
| .enableInliningAnnotations() |
| .enableNeverClassInliningAnnotations() |
| .apply(setMockApiLevelForClass(Api.class, AndroidApiLevel.L_MR1)) |
| .apply(setMockApiLevelForDefaultInstanceInitializer(Api.class, AndroidApiLevel.L_MR1)) |
| .apply(ApiModelingTestHelper::enableApiCallerIdentification) |
| .apply(ApiModelingTestHelper::disableOutliningAndStubbing) |
| .apply( |
| addTracedApiReferenceLevelCallBack( |
| (methodReference, apiLevel) -> { |
| if (methodReference.getMethodName().equals("<init>") |
| && methodReference |
| .getHolderClass() |
| .equals(Reference.classFromClass(Api.class))) { |
| assertEquals(AndroidApiLevel.L_MR1, apiLevel); |
| } |
| })) |
| .addVerticallyMergedClassesInspector( |
| inspector -> { |
| if (parameters.isDexRuntime() |
| && parameters.getApiLevel().isGreaterThanOrEqualTo(L_MR1)) { |
| inspector.assertMergedIntoSubtype(A.class); |
| } else { |
| inspector.assertNoClassesMerged(); |
| } |
| }) |
| .compile() |
| .inspect( |
| inspector -> { |
| if (parameters.isDexRuntime() |
| && parameters.getApiLevel().isGreaterThanOrEqualTo(AndroidApiLevel.L_MR1)) { |
| assertThat(inspector.clazz(A.class), not(isPresent())); |
| } else { |
| assertThat(inspector.clazz(A.class), isPresent()); |
| } |
| }) |
| .addRunClasspathClasses(Api.class) |
| .run(parameters.getRuntime(), Main.class) |
| .assertSuccessWithOutputLines("Hello World!"); |
| } |
| |
| public static class Api {} |
| |
| public static class A extends Api { |
| |
| @NeverInline |
| public void bar() { |
| System.out.println("Hello World!"); |
| } |
| } |
| |
| @NeverClassInline |
| public static class B extends A { |
| |
| public void foo() { |
| bar(); |
| } |
| } |
| |
| public static class Main { |
| |
| public static void main(String[] args) { |
| new B().foo(); |
| } |
| } |
| } |