| // Copyright (c) 2022, 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.desugar.graph; |
| |
| import static org.junit.Assert.assertEquals; |
| import static org.junit.Assert.assertTrue; |
| |
| import com.android.tools.r8.D8TestBuilder; |
| import com.android.tools.r8.TestBase; |
| import com.android.tools.r8.TestParameters; |
| import com.android.tools.r8.TestParametersCollection; |
| import com.android.tools.r8.origin.Origin; |
| import com.android.tools.r8.utils.AndroidApiLevel; |
| import com.google.common.collect.ImmutableSet; |
| import java.nio.file.Path; |
| 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 CompilationDependentSetTest extends TestBase { |
| |
| public interface I { |
| // Empty. |
| } |
| |
| public static class A implements I { |
| // Empty. |
| } |
| |
| public static class B { |
| // Empty. |
| } |
| |
| public static class TestClass { |
| |
| public static void main(String[] args) { |
| System.out.println("Hello World!"); |
| } |
| } |
| |
| // Test runner follows. |
| |
| @Parameters(name = "{0}") |
| public static TestParametersCollection data() { |
| return getTestParameters().withAllRuntimes().withAllApiLevels().build(); |
| } |
| |
| private final TestParameters parameters; |
| |
| public CompilationDependentSetTest(TestParameters parameters) { |
| this.parameters = parameters; |
| } |
| |
| @Test |
| public void test() throws Exception { |
| if (parameters.isCfRuntime()) { |
| testForJvm(parameters) |
| .addProgramClasses(I.class, A.class, B.class, TestClass.class) |
| .run(parameters.getRuntime(), TestClass.class) |
| .assertSuccessWithOutputLines("Hello World!"); |
| } else { |
| Path dexInputForB = |
| testForD8().addProgramClasses(B.class).setMinApi(parameters).compile().writeToZip(); |
| |
| D8TestBuilder builder = testForD8(); |
| DesugarGraphTestConsumer consumer = new DesugarGraphTestConsumer(); |
| builder.getBuilder().setDesugarGraphConsumer(consumer); |
| Origin originI = DesugarGraphUtils.addClassWithOrigin(I.class, builder); |
| Origin originA = DesugarGraphUtils.addClassWithOrigin(A.class, builder); |
| Origin originTestClass = DesugarGraphUtils.addClassWithOrigin(TestClass.class, builder); |
| builder |
| .addProgramFiles(dexInputForB) |
| .setMinApi(parameters) |
| .run(parameters.getRuntime(), TestClass.class) |
| .assertSuccessWithOutputLines("Hello World!"); |
| // If API level indicates desugaring is needed check the edges are reported. |
| if (parameters.getApiLevel().getLevel() < AndroidApiLevel.N.getLevel()) { |
| assertTrue(consumer.contains(originI, originA)); |
| assertEquals(1, consumer.totalEdgeCount()); |
| } else { |
| assertEquals(0, consumer.totalEdgeCount()); |
| } |
| // Regardless of API the potential inputs are reported. |
| // Note that the DEX input is not a desugaring candidate and thus not included in the unit. |
| assertEquals( |
| ImmutableSet.of(originI, originA, originTestClass), |
| consumer.getDesugaringCompilationUnit()); |
| } |
| } |
| } |