| // Copyright (c) 2019, 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.dexsplitter; |
| |
| import static com.android.tools.r8.utils.codeinspector.Matchers.isPresent; |
| import static org.hamcrest.CoreMatchers.not; |
| import static org.hamcrest.MatcherAssert.assertThat; |
| import static org.junit.Assert.assertEquals; |
| import static org.junit.Assert.assertNotEquals; |
| import static org.junit.Assert.assertTrue; |
| import static org.junit.Assume.assumeTrue; |
| |
| import com.android.tools.r8.CompilationFailedException; |
| import com.android.tools.r8.NeverInline; |
| import com.android.tools.r8.R8TestBuilder; |
| import com.android.tools.r8.R8TestCompileResult; |
| import com.android.tools.r8.TestParameters; |
| import com.android.tools.r8.TestParametersCollection; |
| import com.android.tools.r8.ToolHelper.ProcessResult; |
| import com.android.tools.r8.utils.ConsumerUtils; |
| import com.android.tools.r8.utils.StringUtils; |
| import com.android.tools.r8.utils.ThrowingConsumer; |
| import com.android.tools.r8.utils.codeinspector.ClassSubject; |
| import com.google.common.collect.ImmutableSet; |
| import java.io.IOException; |
| 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 DexSplitterMemberValuePropagationRegression extends SplitterTestBase { |
| |
| public static final String EXPECTED = StringUtils.lines("42"); |
| |
| @Parameters(name = "{0}") |
| public static TestParametersCollection params() { |
| return getTestParameters().withAllRuntimesAndApiLevels().build(); |
| } |
| |
| private final TestParameters parameters; |
| |
| public DexSplitterMemberValuePropagationRegression(TestParameters parameters) { |
| this.parameters = parameters; |
| } |
| |
| @Test |
| public void testPropagationFromFeature() throws Exception { |
| ThrowingConsumer<R8TestCompileResult, Exception> ensureGetFromFeatureGone = |
| r8TestCompileResult -> { |
| // Ensure that getFromFeature from FeatureClass is inlined into the run method. |
| ClassSubject clazz = r8TestCompileResult.inspector().clazz(FeatureClass.class); |
| assertThat(clazz.uniqueMethodWithName("getFromFeature"), not(isPresent())); |
| }; |
| ProcessResult processResult = |
| testDexSplitter( |
| parameters, |
| ImmutableSet.of(BaseSuperClass.class), |
| ImmutableSet.of(FeatureClass.class, FeatureEnum.class), |
| FeatureClass.class, |
| EXPECTED, |
| ensureGetFromFeatureGone, |
| builder -> builder.enableInliningAnnotations().noMinification()); |
| // We expect art to fail on this with the dex splitter, see b/122902374 |
| assertNotEquals(processResult.exitCode, 0); |
| assertTrue(processResult.stderr.contains("NoClassDefFoundError")); |
| } |
| |
| @Test |
| public void testOnR8Splitter() throws IOException, CompilationFailedException { |
| assumeTrue(parameters.isDexRuntime()); |
| ProcessResult processResult = |
| testR8Splitter( |
| parameters, |
| ImmutableSet.of(BaseSuperClass.class), |
| ImmutableSet.of(FeatureClass.class, FeatureEnum.class), |
| FeatureClass.class, |
| ConsumerUtils.emptyThrowingConsumer(), |
| R8TestBuilder::enableInliningAnnotations); |
| assertEquals(processResult.exitCode, 0); |
| assertEquals(processResult.stdout, EXPECTED); |
| } |
| |
| public abstract static class BaseSuperClass implements RunInterface { |
| |
| @NeverInline |
| @Override |
| public void run() { |
| System.out.println(getFromFeature()); |
| } |
| |
| public abstract Enum<?> getFromFeature(); |
| } |
| |
| public static class FeatureClass extends BaseSuperClass { |
| |
| @NeverInline |
| @Override |
| public Enum<?> getFromFeature() { |
| return FeatureEnum.A; |
| } |
| } |
| |
| public enum FeatureEnum { |
| A; |
| |
| @Override |
| public String toString() { |
| return "42"; |
| } |
| } |
| } |