| // 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.graph.genericsignature; |
| |
| import static com.android.tools.r8.utils.codeinspector.Matchers.isPresent; |
| import static org.hamcrest.MatcherAssert.assertThat; |
| import static org.junit.Assert.assertEquals; |
| import static org.junit.Assert.assertNull; |
| import static org.junit.Assert.assertTrue; |
| |
| import com.android.tools.r8.TestBase; |
| import com.android.tools.r8.TestParameters; |
| import com.android.tools.r8.graph.genericsignature.GenericSignatureEnclosingTest.Bar.Inner; |
| import com.android.tools.r8.graph.genericsignature.GenericSignatureEnclosingTest.Bar.SubInner; |
| import com.android.tools.r8.utils.BooleanUtils; |
| import com.android.tools.r8.utils.codeinspector.ClassSubject; |
| import com.android.tools.r8.utils.codeinspector.CodeInspector; |
| import java.util.List; |
| 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 GenericSignatureEnclosingTest extends TestBase { |
| |
| private final TestParameters parameters; |
| private final boolean isCompat; |
| private final String objectDescriptor = "Ljava/lang/Object;"; |
| |
| @Parameters(name = "{0}, isCompat: {1}") |
| public static List<Object[]> data() { |
| return buildParameters( |
| getTestParameters().withAllRuntimesAndApiLevels().build(), BooleanUtils.values()); |
| } |
| |
| public GenericSignatureEnclosingTest(TestParameters parameters, boolean isCompat) { |
| this.parameters = parameters; |
| this.isCompat = isCompat; |
| } |
| |
| @Test() |
| public void testR8() throws Exception { |
| (isCompat ? testForR8Compat(parameters.getBackend()) : testForR8(parameters.getBackend())) |
| .addInnerClasses(getClass()) |
| .addKeepClassAndMembersRules(Foo.class, Bar.class, Bar.Inner.class, Bar.SubInner.class) |
| .addKeepMainRule(Main.class) |
| .addKeepClassRules(Foo.class) |
| .addKeepAttributeSignature() |
| .setMinApi(parameters.getApiLevel()) |
| .addOptionsModification( |
| options -> { |
| options.horizontalClassMergerOptions().disable(); |
| }) |
| .run(parameters.getRuntime(), Main.class) |
| .assertSuccessWithOutputLines( |
| "Bar::enclosingMethod", "Hello World", "Bar::enclosingMethod2", "Hello World") |
| .inspect( |
| inspector -> { |
| inspectEnclosingClass(inspector, "$1", descriptor(Main.class)); |
| inspectEnclosingClass(inspector, "$2", objectDescriptor); |
| |
| ClassSubject inner = inspector.clazz(Inner.class); |
| assertThat(inner, isPresent()); |
| assertTrue(inner.getDexProgramClass().getInnerClasses().isEmpty()); |
| assertEquals( |
| "<T:" + objectDescriptor + ">" + objectDescriptor, |
| inner.getFinalSignatureAttribute()); |
| |
| ClassSubject subInner = inspector.clazz(SubInner.class); |
| assertThat(subInner, isPresent()); |
| assertTrue(subInner.getDexProgramClass().getInnerClasses().isEmpty()); |
| assertEquals( |
| "L" + binaryName(Bar.Inner.class) + "<Ljava/lang/String;>;", |
| subInner.getFinalSignatureAttribute()); |
| }); |
| } |
| |
| private void inspectEnclosingClass(CodeInspector inspector, String suffix, String secondArg) { |
| ClassSubject enclosing = inspector.clazz(Bar.class.getTypeName() + suffix); |
| assertThat(enclosing, isPresent()); |
| assertNull(enclosing.getDexProgramClass().getEnclosingMethodAttribute()); |
| assertEquals( |
| isCompat ? "L" + binaryName(Foo.class) + "<Ljava/lang/Object;" + secondArg + ">;" : null, |
| enclosing.getFinalSignatureAttribute()); |
| } |
| |
| public abstract static class Foo<T, R> { |
| |
| R foo(T r) { |
| System.out.println("Hello World"); |
| return null; |
| } |
| } |
| |
| public static class Bar<S> { |
| |
| public class Inner<T> {} |
| |
| public class SubInner extends Bar<Integer>.Inner<String> {} |
| |
| public static <T, R extends Main> Foo<T, R> enclosingMethod() { |
| return new Foo<T, R>() { |
| @Override |
| R foo(T r) { |
| System.out.println("Bar::enclosingMethod"); |
| return super.foo(r); |
| } |
| }; |
| } |
| |
| public static <T, R> Foo<T, R> enclosingMethod2() { |
| return new Foo<T, R>() { |
| @Override |
| R foo(T r) { |
| System.out.println("Bar::enclosingMethod2"); |
| return super.foo(r); |
| } |
| }; |
| } |
| |
| public static void run() { |
| enclosingMethod().foo(null); |
| enclosingMethod2().foo(null); |
| } |
| } |
| |
| public static class Main { |
| |
| public static void main(String[] args) { |
| Bar.run(); |
| } |
| } |
| } |