| // Copyright (c) 2020, 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 junit.framework.TestCase.assertEquals; |
| import static org.hamcrest.CoreMatchers.not; |
| import static org.hamcrest.MatcherAssert.assertThat; |
| import static org.junit.Assume.assumeTrue; |
| |
| import com.android.tools.r8.NeverMerge; |
| import com.android.tools.r8.R8FullTestBuilder; |
| 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.StringUtils; |
| import com.android.tools.r8.utils.ThrowingConsumer; |
| import com.android.tools.r8.utils.codeinspector.ClassSubject; |
| import com.google.common.collect.ImmutableSet; |
| import java.util.function.Consumer; |
| import org.junit.Test; |
| import org.junit.runner.RunWith; |
| import org.junit.runners.Parameterized; |
| import org.junit.runners.Parameterized.Parameters; |
| |
| /** |
| * We don't allow to inline code from the base into a feature, but we do allow inlining code from |
| * the the base into the feature. |
| */ |
| @RunWith(Parameterized.class) |
| public class R8SplitterInlineToFeature extends SplitterTestBase { |
| |
| public static final String EXPECTED = StringUtils.lines("42"); |
| |
| @Parameters(name = "{0}") |
| public static TestParametersCollection params() { |
| return getTestParameters().withDexRuntimes().build(); |
| } |
| |
| private final TestParameters parameters; |
| |
| public R8SplitterInlineToFeature(TestParameters parameters) { |
| this.parameters = parameters; |
| } |
| |
| @Test |
| public void testInlining() throws Exception { |
| assumeTrue(parameters.isDexRuntime()); |
| Consumer<R8FullTestBuilder> configurator = |
| r8FullTestBuilder -> r8FullTestBuilder.enableMergeAnnotations().noMinification(); |
| ThrowingConsumer<R8TestCompileResult, Exception> ensureInlined = |
| r8TestCompileResult -> { |
| // Ensure that isEarly from BaseUtilClass is inlined into the feature |
| ClassSubject clazz = r8TestCompileResult.inspector().clazz(BaseUtilClass.class); |
| assertThat(clazz.uniqueMethodWithName("isEarly"), not(isPresent())); |
| }; |
| ProcessResult processResult = |
| testR8Splitter( |
| parameters, |
| ImmutableSet.of(BaseSuperClass.class, BaseUtilClass.class), |
| ImmutableSet.of(FeatureClass.class), |
| FeatureClass.class, |
| ensureInlined, |
| configurator); |
| |
| assertEquals(processResult.exitCode, 0); |
| assertEquals(processResult.stdout, StringUtils.lines("42")); |
| } |
| |
| @NeverMerge |
| public abstract static class BaseSuperClass implements RunInterface { |
| public void run() { |
| System.out.println(getFromFeature()); |
| } |
| |
| public abstract String getFromFeature(); |
| } |
| |
| public static class BaseUtilClass { |
| public static boolean isEarly() { |
| return System.currentTimeMillis() < 2; |
| } |
| } |
| |
| public static class FeatureClass extends BaseSuperClass { |
| @Override |
| public String getFromFeature() { |
| if (BaseUtilClass.isEarly()) { |
| return "Very early"; |
| } else { |
| return "42"; |
| } |
| } |
| } |
| } |