| // 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.workaround; |
| |
| 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.ToolHelper; |
| import java.util.function.Consumer; |
| 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 MethodReturnWithMissingBaseTypeTest extends TestBase { |
| |
| @Parameter(0) |
| public TestParameters parameters; |
| |
| @Parameters(name = "{0}") |
| public static TestParametersCollection parameters() { |
| return getTestParameters().withAllRuntimesAndApiLevels().build(); |
| } |
| |
| @Test |
| public void test() throws Exception { |
| testForR8(parameters.getBackend()) |
| .addInnerClasses(getClass()) |
| .applyIf( |
| parameters.isDexRuntime(), |
| testBuilder -> testBuilder.addLibraryFiles(ToolHelper.getMostRecentAndroidJar())) |
| .addKeepMainRule(Main.class) |
| .addKeepClassAndMembersRules(Utils.class) |
| .addKeepRules( |
| "-keep class " + Main.class.getTypeName() + " { void notUsedDuringLaunch(); }") |
| .addHorizontallyMergedClassesInspector( |
| inspector -> |
| inspector |
| .assertIsCompleteMergeGroup(UsedDuringLaunch.class, NotUsedDuringLaunch.class) |
| .assertNoOtherClassesMerged()) |
| .enableInliningAnnotations() |
| .enableNeverClassInliningAnnotations() |
| .setMinApi(parameters) |
| .compile() |
| .run(parameters.getRuntime(), Main.class) |
| .assertSuccessWithOutputLines("Hello world!"); |
| } |
| |
| static class Main { |
| |
| public static void main(String[] args) { |
| new UsedDuringLaunch().usedDuringLaunch(); |
| } |
| |
| // @Keep |
| static void notUsedDuringLaunch() { |
| Consumer<?> emptyConsumer = Utils.getEmptyConsumer(); |
| new UsedDuringLaunch().onlyUsedOnHighApiLevels(emptyConsumer); |
| new NotUsedDuringLaunch().useOfConsumerArray(); |
| } |
| } |
| |
| @NeverClassInline |
| static class UsedDuringLaunch { |
| |
| @NeverInline |
| void usedDuringLaunch() { |
| System.out.println("Hello world!"); |
| } |
| |
| @NeverInline |
| void onlyUsedOnHighApiLevels(Consumer<?> c) { |
| System.out.println(c); |
| } |
| } |
| |
| @NeverClassInline |
| static class NotUsedDuringLaunch { |
| |
| @NeverInline |
| void useOfConsumerArray() { |
| Utils.accept(Utils.getEmptyConsumers()); |
| } |
| } |
| |
| // @Keep |
| static class Utils { |
| |
| // @Keep |
| static void accept(Consumer<?>[] array) { |
| System.out.println(array.length); |
| } |
| |
| // @Keep |
| public static Consumer<?> getEmptyConsumer() { |
| return ignore -> {}; |
| } |
| |
| // @Keep |
| public static Consumer<?>[] getEmptyConsumers() { |
| return new Consumer<?>[] {getEmptyConsumer()}; |
| } |
| } |
| } |