| // 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.ir.optimize.devirtualize; |
| |
| import static com.android.tools.r8.utils.codeinspector.CodeMatchers.invokesMethodWithHolderAndName; |
| 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.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.AndroidApiLevel; |
| import com.android.tools.r8.utils.codeinspector.MethodSubject; |
| 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 DevirtualizeLibrarySuperTest extends TestBase { |
| |
| @Parameter() public TestParameters parameters; |
| |
| @Parameters(name = "{0}") |
| public static TestParametersCollection data() { |
| return getTestParameters().withAllRuntimesAndApiLevels().build(); |
| } |
| |
| @Test |
| public void testR8() throws Exception { |
| boolean hasNewLibraryHierarchyOnClassPath = |
| parameters.isCfRuntime() |
| || parameters.getApiLevel().isGreaterThanOrEqualTo(AndroidApiLevel.M); |
| testForR8(parameters.getBackend()) |
| .addLibraryClasses(Library.class, LibraryOverride.class, LibraryBoundary.class) |
| .addDefaultRuntimeLibrary(parameters) |
| .addProgramClasses(Main.class) |
| .setMinApi(parameters.getApiLevel()) |
| .addKeepMainRule(Main.class) |
| .enableInliningAnnotations() |
| .compile() |
| .inspect( |
| inspector -> { |
| MethodSubject fooMethod = inspector.clazz(Main.class).uniqueMethodWithName("foo"); |
| assertThat(fooMethod, isPresent()); |
| assertThat( |
| fooMethod, |
| not(invokesMethodWithHolderAndName(LibraryOverride.class.getTypeName(), "foo"))); |
| }) |
| .applyIf( |
| hasNewLibraryHierarchyOnClassPath, |
| b -> |
| b.addRunClasspathClasses( |
| Library.class, LibraryOverride.class, LibraryBoundary.class), |
| b -> |
| b.addRunClasspathClassFileData( |
| transformer(Library.class).transform(), |
| transformer(LibraryBoundary.class) |
| .replaceClassDescriptorInMethodInstructions( |
| descriptor(LibraryOverride.class), descriptor(Library.class)) |
| .setSuper(descriptor(Library.class)) |
| .transform())) |
| .run(parameters.getRuntime(), Main.class) |
| .assertSuccessWithOutputLinesIf(hasNewLibraryHierarchyOnClassPath, "LibraryOverride::foo") |
| .assertSuccessWithOutputLinesIf(!hasNewLibraryHierarchyOnClassPath, "Library::foo"); |
| } |
| |
| public static class Library { |
| |
| public void foo() { |
| System.out.println("Library::foo"); |
| } |
| } |
| |
| // This class will is inserted in the hierarchy from api 23. |
| public static class LibraryOverride extends Library { |
| |
| @Override |
| public void foo() { |
| System.out.println("LibraryOverride::foo"); |
| } |
| } |
| |
| public static class LibraryBoundary extends LibraryOverride {} |
| |
| public static class Main extends LibraryBoundary { |
| |
| @NeverInline |
| @Override |
| public void foo() { |
| super.foo(); |
| } |
| |
| public static void main(String[] args) { |
| new Main().foo(); |
| } |
| } |
| } |