| // Copyright (c) 2020, 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.kotlin.lambda; |
| |
| import static com.android.tools.r8.ToolHelper.getKotlinAnnotationJar; |
| import static com.android.tools.r8.ToolHelper.getKotlinCompilers; |
| import static com.android.tools.r8.ToolHelper.getKotlinStdlibJar; |
| import static org.hamcrest.CoreMatchers.equalTo; |
| |
| import com.android.tools.r8.KotlinCompilerTool.KotlinCompiler; |
| 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.kotlin.lambda.KStyleKotlinLambdaMergingWithEnumUnboxingTest.Main.EnumUnboxingCandidate; |
| 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 KStyleKotlinLambdaMergingWithEnumUnboxingTest extends TestBase { |
| |
| private final TestParameters parameters; |
| private final KotlinCompiler kotlinc; |
| |
| @Parameters(name = "{0}, kotlinc: {1}") |
| public static List<Object[]> data() { |
| return buildParameters( |
| TestBase.getTestParameters().withDexRuntimes().withAllApiLevels().build(), |
| getKotlinCompilers()); |
| } |
| |
| public KStyleKotlinLambdaMergingWithEnumUnboxingTest( |
| TestParameters parameters, KotlinCompiler kotlinc) { |
| this.parameters = parameters; |
| this.kotlinc = kotlinc; |
| } |
| |
| @Test |
| public void test() throws Exception { |
| testForR8(parameters.getBackend()) |
| .addInnerClasses(getClass()) |
| .addProgramFiles(getKotlinStdlibJar(kotlinc), getKotlinAnnotationJar(kotlinc)) |
| .addKeepMainRule(Main.class) |
| .addHorizontallyMergedClassesInspector( |
| inspector -> inspector.assertMergedInto(Lambda2.class, Lambda1.class)) |
| .addEnumUnboxingInspector(inspector -> inspector.assertUnboxed(EnumUnboxingCandidate.class)) |
| .allowDiagnosticWarningMessages() |
| .enableInliningAnnotations() |
| .enableNeverClassInliningAnnotations() |
| .noMinification() |
| .setMinApi(parameters.getApiLevel()) |
| .compile() |
| .assertAllWarningMessagesMatch(equalTo("Resource 'META-INF/MANIFEST.MF' already exists.")) |
| .run(parameters.getRuntime(), Main.class) |
| .assertSuccessWithOutputLines("Lambda1.method()", "Lambda2.method()"); |
| } |
| |
| static class Main { |
| |
| @NeverClassInline |
| public enum EnumUnboxingCandidate { |
| LAMBDA1, |
| LAMBDA2 |
| } |
| |
| public static void main(String[] args) { |
| accept(createLambda(EnumUnboxingCandidate.LAMBDA1)); |
| accept(createLambda(EnumUnboxingCandidate.LAMBDA2)); |
| } |
| |
| @NeverInline |
| static kotlin.jvm.functions.Function0<kotlin.Unit> createLambda(EnumUnboxingCandidate value) { |
| switch (value) { |
| case LAMBDA1: |
| return new Lambda1(); |
| case LAMBDA2: |
| return new Lambda2(); |
| default: |
| throw new RuntimeException(); |
| } |
| } |
| |
| @NeverInline |
| static void accept(kotlin.jvm.functions.Function0<kotlin.Unit> instance) { |
| instance.invoke(); |
| } |
| } |
| |
| @NeverClassInline |
| public static final class Lambda1 extends kotlin.jvm.internal.Lambda<kotlin.Unit> |
| implements kotlin.jvm.functions.Function0<kotlin.Unit> { |
| |
| public Lambda1() { |
| super(0); |
| } |
| |
| @NeverInline |
| @Override |
| public final kotlin.Unit invoke() { |
| System.out.println("Lambda1.method()"); |
| return null; |
| } |
| } |
| |
| @NeverClassInline |
| public static final class Lambda2 extends kotlin.jvm.internal.Lambda<kotlin.Unit> |
| implements kotlin.jvm.functions.Function0<kotlin.Unit> { |
| |
| public Lambda2() { |
| super(0); |
| } |
| |
| @NeverInline |
| @Override |
| public final kotlin.Unit invoke() { |
| System.out.println("Lambda2.method()"); |
| return null; |
| } |
| } |
| } |