| // 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.TestBase; |
| import com.android.tools.r8.TestParameters; |
| import com.android.tools.r8.TestParametersCollection; |
| import com.android.tools.r8.graph.DexProgramClass; |
| import com.android.tools.r8.horizontalclassmerging.MultiClassSameReferencePolicy; |
| import com.android.tools.r8.horizontalclassmerging.Policy; |
| import com.google.common.collect.ImmutableList; |
| 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 ClinitDeadlockAfterMergingMultipleGroupsTest 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()) |
| .addKeepClassAndMembersRules(Main.class) |
| .addHorizontallyMergedClassesInspector( |
| inspector -> |
| inspector |
| .assertClassesNotMerged(A1.class, A2.class) |
| .assertIsCompleteMergeGroup(B1.class, B2.class) |
| .assertIsCompleteMergeGroup(C1.class, C2.class) |
| .assertIsCompleteMergeGroup(D1.class, D2.class) |
| .assertNoOtherClassesMerged()) |
| .addOptionsModification( |
| options -> { |
| options.horizontalClassMergerOptions().setEnableClassInitializerDeadlockDetection(); |
| options.testing.horizontalClassMergingPolicyRewriter = |
| policies -> |
| ImmutableList.<Policy>builder() |
| .add(getPolicyForTesting()) |
| .addAll(policies) |
| .build(); |
| }) |
| .setMinApi(parameters.getApiLevel()) |
| .compile(); |
| } |
| |
| // A custom policy for splitting the merge group {A1, A2, B1, B2, C1, C2, D1, D2} into {A1, A2}, |
| // {B1, B2}, {C1, C2}, {D1, D2}. |
| private Policy getPolicyForTesting() { |
| return new MultiClassSameReferencePolicy<String>() { |
| |
| @Override |
| public String getMergeKey(DexProgramClass clazz) { |
| String simpleName = clazz.getSimpleName(); |
| String simpleNameExcludingIndex = simpleName.substring(0, simpleName.length() - 1); |
| return simpleNameExcludingIndex; |
| } |
| |
| @Override |
| public String getName() { |
| return ClinitDeadlockAfterMergingMultipleGroupsTest.class.getTypeName(); |
| } |
| }; |
| } |
| |
| static class Main { |
| |
| // @Keep |
| public static void thread0() { |
| // Will take the followings locks in the specified order: A1, B1. |
| System.out.println(A1.b1); |
| } |
| |
| // @Keep |
| public static void thread1() { |
| // Will take the following locks in the specified order: B2, C2. |
| System.out.println(B2.c2); |
| } |
| |
| // @Keep |
| public static void thread2() { |
| // Will take the following locks in the specified order: C1, D1. |
| System.out.println(C1.d1); |
| } |
| |
| // @Keep |
| public static void thread3() { |
| // Will take the following locks in the specified order: D2, A2. |
| System.out.println(D2.a2); |
| } |
| |
| // @Keep |
| public static void thread4() { |
| System.out.println(new A1()); |
| System.out.println(new A2()); |
| System.out.println(new B1()); |
| System.out.println(new B2()); |
| System.out.println(new C1()); |
| System.out.println(new C2()); |
| System.out.println(new D1()); |
| System.out.println(new D2()); |
| } |
| } |
| |
| static class A1 { |
| |
| static B1 b1 = new B1(); |
| } |
| |
| static class A2 {} |
| |
| static class B1 {} |
| |
| static class B2 { |
| |
| static C2 c2 = new C2(); |
| } |
| |
| static class C1 { |
| |
| static D1 d1 = new D1(); |
| } |
| |
| static class C2 {} |
| |
| static class D1 {} |
| |
| static class D2 { |
| |
| static A2 a2 = new A2(); |
| } |
| } |