| // 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.invokespecial; |
| |
| import static org.junit.Assert.assertEquals; |
| import static org.junit.Assume.assumeFalse; |
| import static org.objectweb.asm.Opcodes.INVOKESPECIAL; |
| import static org.objectweb.asm.Opcodes.INVOKEVIRTUAL; |
| |
| import com.android.tools.r8.TestBase; |
| import com.android.tools.r8.TestParameters; |
| import com.android.tools.r8.utils.BooleanUtils; |
| import java.io.IOException; |
| import java.util.List; |
| 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 InvokeSpecialToMissingMethodDeclaredInSuperClassTest extends TestBase { |
| |
| @Parameter(0) |
| public boolean testHorizontalClassMerging; |
| |
| @Parameter(1) |
| public TestParameters parameters; |
| |
| @Parameters(name = "{1}, horizontal: {0}") |
| public static List<Object[]> data() { |
| return buildParameters( |
| BooleanUtils.values(), getTestParameters().withAllRuntimesAndApiLevels().build()); |
| } |
| |
| @Test |
| public void testRuntime() throws Exception { |
| assumeFalse(testHorizontalClassMerging); |
| testForRuntime(parameters) |
| .addProgramClasses(A.class, Main.class, MergeIntoB.class) |
| .addProgramClassFileData(getClassWithTransformedInvoked()) |
| .run(parameters.getRuntime(), Main.class) |
| .assertSuccessWithOutputLines("A.foo()"); |
| } |
| |
| @Test |
| public void testR8() throws Exception { |
| testForR8(parameters.getBackend()) |
| .addProgramClasses(A.class, Main.class) |
| .addProgramClassFileData(getClassWithTransformedInvoked()) |
| .addKeepMainRule(Main.class) |
| .applyIf( |
| testHorizontalClassMerging, |
| testBuilder -> |
| testBuilder |
| .addProgramClasses(MainWithHorizontalClassMerging.class, MergeIntoB.class) |
| .addKeepMainRule(MainWithHorizontalClassMerging.class) |
| .addHorizontallyMergedClassesInspector( |
| inspector -> { |
| if (testHorizontalClassMerging) { |
| inspector.assertMergedInto(MergeIntoB.class, B.class); |
| } |
| inspector.assertNoOtherClassesMerged(); |
| })) |
| .setMinApi(parameters.getApiLevel()) |
| .run(parameters.getRuntime(), Main.class) |
| .assertSuccessWithOutputLines("A.foo()"); |
| } |
| |
| private byte[] getClassWithTransformedInvoked() throws IOException { |
| return transformer(B.class) |
| .transformMethodInsnInMethod( |
| "bar", |
| (opcode, owner, name, descriptor, isInterface, continuation) -> { |
| assertEquals(INVOKEVIRTUAL, opcode); |
| assertEquals("notify", name); |
| continuation.visitMethodInsn( |
| INVOKESPECIAL, binaryName(B.class), "foo", descriptor, isInterface); |
| }) |
| .transform(); |
| } |
| |
| public static class A { |
| |
| public void foo() { |
| System.out.println("A.foo()"); |
| } |
| } |
| |
| public static class B extends A { |
| |
| public void bar() { |
| // Will be rewritten to invoke-special B.foo() which is missing (except when testing |
| // horizontal class merging), but found in A. |
| notify(); |
| } |
| } |
| |
| public static class Main { |
| |
| public static void main(String[] args) { |
| new B().bar(); |
| } |
| } |
| |
| // Extra program inputs when testing horizontal class merging. |
| |
| public static class MergeIntoB extends A { |
| |
| public void foo() { |
| System.out.println("MergeIntoB.foo()"); |
| } |
| } |
| |
| public static class MainWithHorizontalClassMerging { |
| |
| public static void main(String[] args) { |
| new MergeIntoB().foo(); |
| } |
| } |
| } |