| // 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.ir.optimize.canonicalization; |
| |
| 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.assumeTrue; |
| |
| import com.android.tools.r8.NeverMerge; |
| import com.android.tools.r8.TestBase; |
| import com.android.tools.r8.TestParameters; |
| import com.android.tools.r8.TestParametersCollection; |
| import com.android.tools.r8.ToolHelper; |
| import com.android.tools.r8.utils.InternalOptions; |
| import com.android.tools.r8.utils.StringUtils; |
| import com.android.tools.r8.utils.codeinspector.ClassSubject; |
| import com.android.tools.r8.utils.codeinspector.CodeInspector; |
| import com.android.tools.r8.utils.codeinspector.InstructionSubject; |
| import com.android.tools.r8.utils.codeinspector.MethodSubject; |
| import org.junit.Test; |
| import org.junit.runner.RunWith; |
| import org.junit.runners.Parameterized; |
| |
| class LibraryClass { |
| } |
| |
| @NeverMerge |
| class ProgramClass1 extends LibraryClass { |
| } |
| |
| class ProgramSubClass extends ProgramClass1 { |
| } |
| |
| interface LibraryInterface { |
| void foo(); |
| } |
| |
| class ProgramClass2 implements LibraryInterface { |
| @Override |
| public void foo() { |
| System.out.println("ProgramClass2::foo"); |
| } |
| } |
| |
| class TestMain { |
| public static void main(String... args) { |
| if (System.currentTimeMillis() < -6) { |
| System.out.println(ProgramSubClass.class.getName()); |
| } else if (System.currentTimeMillis() < -5) { |
| System.out.println(ProgramSubClass.class.getSimpleName()); |
| } else if (System.currentTimeMillis() < -4) { |
| System.out.println(ProgramClass1.class.getName()); |
| } else if (System.currentTimeMillis() < -3) { |
| System.out.println(ProgramClass1.class.getSimpleName()); |
| } else if (System.currentTimeMillis() < -2) { |
| System.out.println(ProgramClass2.class.getName()); |
| } else if (System.currentTimeMillis() < -1) { |
| System.out.println(ProgramClass2.class.getSimpleName()); |
| } else { |
| System.out.println("No need to load any classes"); |
| } |
| } |
| } |
| |
| @RunWith(Parameterized.class) |
| public class UnresolvableLibraryConstClassTest extends TestBase { |
| private static final Class<?> MAIN = TestMain.class; |
| private static final String JAVA_OUTPUT = StringUtils.lines( |
| "No need to load any classes" |
| ); |
| |
| @Parameterized.Parameters(name = "{0}") |
| public static TestParametersCollection data() { |
| return getTestParameters().withAllRuntimes().build(); |
| } |
| |
| private final TestParameters parameters; |
| |
| public UnresolvableLibraryConstClassTest(TestParameters parameters) { |
| this.parameters = parameters; |
| } |
| |
| @Test |
| public void testJVMOutput() throws Exception { |
| assumeTrue("Only run JVM reference on CF runtimes", parameters.isCfRuntime()); |
| testForJvm() |
| .addTestClasspath() |
| .run(parameters.getRuntime(), MAIN) |
| .assertSuccessWithOutput(JAVA_OUTPUT); |
| } |
| |
| @Test |
| public void testD8() throws Exception { |
| assumeTrue("Only run D8 for Dex backend", parameters.isDexRuntime()); |
| |
| testForD8() |
| .release() |
| .addProgramClasses(ProgramClass1.class, ProgramClass2.class, ProgramSubClass.class, MAIN) |
| .addOptionsModification(InternalOptions::disableNameReflectionOptimization) |
| .setMinApi(parameters.getRuntime()) |
| .compile() |
| .inspect(this::inspect) |
| .run(parameters.getRuntime(), MAIN) |
| .assertSuccessWithOutput(JAVA_OUTPUT); |
| } |
| |
| @Test |
| public void testR8() throws Exception { |
| testForR8(parameters.getBackend()) |
| .addLibraryClasses(LibraryClass.class, LibraryInterface.class) |
| .addLibraryFiles(ToolHelper.getDefaultAndroidJar()) |
| .addProgramClasses(ProgramClass1.class, ProgramClass2.class, ProgramSubClass.class, MAIN) |
| .addKeepMainRule(MAIN) |
| .noMinification() |
| .enableMergeAnnotations() |
| .addOptionsModification(InternalOptions::disableNameReflectionOptimization) |
| .setMinApi(parameters.getRuntime()) |
| .compile() |
| .inspect(this::inspect) |
| .run(parameters.getRuntime(), MAIN) |
| .assertSuccessWithOutput(JAVA_OUTPUT); |
| } |
| |
| private void inspect(CodeInspector inspector) { |
| ClassSubject programClass1 = inspector.clazz(ProgramClass1.class); |
| assertThat(programClass1, isPresent()); |
| ClassSubject programSubClass = inspector.clazz(ProgramSubClass.class); |
| assertThat(programSubClass, isPresent()); |
| ClassSubject programClass2 = inspector.clazz(ProgramClass2.class); |
| assertThat(programClass2, isPresent()); |
| |
| ClassSubject mainClass = inspector.clazz(MAIN); |
| assertThat(mainClass, isPresent()); |
| MethodSubject mainMethod = mainClass.mainMethod(); |
| assertThat(mainMethod, isPresent()); |
| // No canonicalization of const-class instructions. |
| assertEquals( |
| 6, |
| mainMethod.streamInstructions().filter(InstructionSubject::isConstClass).count()); |
| } |
| } |