| // 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.classmerging.horizontal; |
| |
| import com.android.tools.r8.NeverInline; |
| import com.android.tools.r8.TestBase; |
| import com.android.tools.r8.TestParameters; |
| import com.android.tools.r8.origin.Origin; |
| import com.android.tools.r8.references.ClassReference; |
| import com.android.tools.r8.references.Reference; |
| import com.android.tools.r8.startup.StartupProfileBuilder; |
| import com.android.tools.r8.startup.StartupProfileProvider; |
| import com.android.tools.r8.utils.BooleanUtils; |
| import com.google.common.collect.ImmutableList; |
| import java.util.Collections; |
| 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 HorizontalClassMergingWithStartupClassesTest extends TestBase { |
| |
| @Parameter(0) |
| public TestParameters parameters; |
| |
| @Parameter(1) |
| public boolean includeStartupClasses; |
| |
| @Parameters(name = "{0}, include startup classes: {1}") |
| public static List<Object[]> data() { |
| return buildParameters( |
| getTestParameters().withAllRuntimesAndApiLevels().build(), BooleanUtils.values()); |
| } |
| |
| private List<Class<?>> getStartupClasses() { |
| return includeStartupClasses |
| ? Collections.emptyList() |
| : ImmutableList.of(StartupA.class, StartupB.class); |
| } |
| |
| @Test |
| public void test() throws Exception { |
| testForR8(parameters.getBackend()) |
| .addInnerClasses(getClass()) |
| .addKeepClassAndMembersRules(Main.class) |
| .addHorizontallyMergedClassesInspector( |
| inspector -> |
| inspector |
| .applyIf( |
| getStartupClasses().isEmpty(), |
| i -> |
| i.assertIsCompleteMergeGroup( |
| StartupA.class, |
| StartupB.class, |
| OnClickHandlerA.class, |
| OnClickHandlerB.class), |
| i -> |
| i.assertIsCompleteMergeGroup(StartupA.class, StartupB.class) |
| .assertIsCompleteMergeGroup( |
| OnClickHandlerA.class, OnClickHandlerB.class)) |
| .assertNoOtherClassesMerged()) |
| .addStartupProfileProviders( |
| new StartupProfileProvider() { |
| |
| @Override |
| public void getStartupProfile(StartupProfileBuilder startupProfileBuilder) { |
| for (Class<?> startupClass : getStartupClasses()) { |
| ClassReference startupClassReference = Reference.classFromClass(startupClass); |
| startupProfileBuilder.addStartupClass( |
| startupClassBuilder -> |
| startupClassBuilder.setClassReference(startupClassReference)); |
| } |
| } |
| |
| @Override |
| public Origin getOrigin() { |
| return Origin.unknown(); |
| } |
| }) |
| .enableInliningAnnotations() |
| .setMinApi(parameters.getApiLevel()) |
| .compile() |
| .run(parameters.getRuntime(), Main.class) |
| .assertSuccessWithOutputLines("StartupA", "StartupB"); |
| } |
| |
| static class Main { |
| |
| public static void main(String[] args) { |
| StartupA.foo(); |
| StartupB.bar(); |
| } |
| |
| // @Keep |
| public void onClick() { |
| OnClickHandlerA.baz(); |
| OnClickHandlerB.qux(); |
| } |
| } |
| |
| static class StartupA { |
| |
| @NeverInline |
| static void foo() { |
| System.out.println("StartupA"); |
| } |
| } |
| |
| static class StartupB { |
| |
| @NeverInline |
| static void bar() { |
| System.out.println("StartupB"); |
| } |
| } |
| |
| static class OnClickHandlerA { |
| |
| @NeverInline |
| static void baz() { |
| System.out.println("IdleA"); |
| } |
| } |
| |
| static class OnClickHandlerB { |
| |
| @NeverInline |
| static void qux() { |
| System.out.println("IdleB"); |
| } |
| } |
| } |