| // 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.maindexlist; |
| |
| import static com.android.tools.r8.utils.codeinspector.Matchers.isPresent; |
| import static org.hamcrest.MatcherAssert.assertThat; |
| import static org.junit.Assert.assertEquals; |
| import static org.junit.Assume.assumeFalse; |
| import static org.junit.Assume.assumeTrue; |
| |
| import com.android.tools.r8.NeverInline; |
| import com.android.tools.r8.NoHorizontalClassMerging; |
| import com.android.tools.r8.R8FullTestBuilder; |
| import com.android.tools.r8.TestBase; |
| import com.android.tools.r8.TestCompilerBuilder; |
| import com.android.tools.r8.TestParameters; |
| import com.android.tools.r8.TestParametersCollection; |
| import com.android.tools.r8.ThrowableConsumer; |
| import com.android.tools.r8.utils.codeinspector.ClassSubject; |
| import com.google.common.collect.ImmutableSet; |
| import java.util.Set; |
| import java.util.function.Consumer; |
| import org.junit.Assert; |
| 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 MainDexPrunedReferenceTest extends TestBase { |
| |
| private final TestParameters parameters; |
| |
| @Parameters(name = "{0}") |
| public static TestParametersCollection data() { |
| return getTestParameters().withDexRuntimes().withAllApiLevels().build(); |
| } |
| |
| public MainDexPrunedReferenceTest(TestParameters parameters) { |
| this.parameters = parameters; |
| } |
| |
| @Test |
| public void testR8() throws Exception { |
| assumeFalse(parameters.getDexRuntimeVersion().isDalvik()); |
| testMainDex(builder -> {}, Assert::assertNull); |
| } |
| |
| // TODO(b/181858113): This test is likely obsolete once main-dex-list support is removed. |
| @Test |
| public void testMainDexClassesList() throws Exception { |
| assumeTrue(parameters.getDexRuntimeVersion().isDalvik()); |
| testMainDex( |
| builder -> builder.addMainDexListClasses(Main.class).allowDiagnosticWarningMessages(), |
| mainDexClasses -> assertEquals(ImmutableSet.of(Main.class.getTypeName()), mainDexClasses)); |
| } |
| |
| @Test |
| public void testMainDexTracing() throws Exception { |
| assumeTrue(parameters.getDexRuntimeVersion().isDalvik()); |
| testMainDex( |
| builder -> |
| builder.addMainDexRules( |
| "-keep class " + Main.class.getTypeName() + " { public static void notMain(); }"), |
| mainDexClasses -> assertEquals(ImmutableSet.of(Main.class.getTypeName()), mainDexClasses)); |
| } |
| |
| private void testMainDex( |
| ThrowableConsumer<R8FullTestBuilder> configureMainDex, |
| Consumer<Set<String>> mainDexListConsumer) |
| throws Exception { |
| testForR8(parameters.getBackend()) |
| .addProgramClasses(Main.class, Outside.class) |
| .enableInliningAnnotations() |
| .enableNoHorizontalClassMergingAnnotations() |
| .addKeepMainRule(Main.class) |
| .addKeepClassRules(Outside.class) |
| .setMinApi(parameters.getApiLevel()) |
| .apply(configureMainDex) |
| .applyIf( |
| parameters.getDexRuntimeVersion().isDalvik(), |
| TestCompilerBuilder::collectMainDexClasses) |
| .compile() |
| .inspectMainDexClasses(mainDexListConsumer) |
| .run(parameters.getRuntime(), Main.class) |
| .inspect( |
| inspector -> { |
| ClassSubject mainClassSubject = inspector.clazz(Main.class); |
| assertThat(mainClassSubject, isPresent()); |
| ClassSubject outsideClassSubject = inspector.clazz(Outside.class); |
| assertThat(outsideClassSubject, isPresent()); |
| }) |
| .assertSuccessWithOutputLines("Hello World"); |
| } |
| |
| @NoHorizontalClassMerging |
| public static class Outside { |
| |
| @NeverInline |
| public static void foo() { |
| System.out.println("Outside::foo"); |
| } |
| } |
| |
| @NoHorizontalClassMerging |
| public static class Main { |
| |
| public static void main(String[] args) { |
| int val = 0; |
| if (val != 0) { |
| notMain(); |
| } |
| System.out.println("Hello World"); |
| } |
| |
| // If we trace before second round of enqueueing, we do not observe notMain being pruned. |
| public static void notMain() { |
| Outside.foo(); |
| } |
| } |
| } |