| // 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.naming.applymapping; |
| |
| import static com.android.tools.r8.utils.codeinspector.Matchers.isPresent; |
| import static org.hamcrest.MatcherAssert.assertThat; |
| import static org.junit.Assert.assertTrue; |
| |
| import com.android.tools.r8.R8TestCompileResult; |
| import com.android.tools.r8.TestBase; |
| import com.android.tools.r8.TestParameters; |
| import com.android.tools.r8.TestParametersCollection; |
| import com.android.tools.r8.utils.StringUtils; |
| import com.android.tools.r8.utils.codeinspector.CodeInspector; |
| import org.junit.Assume; |
| import org.junit.Test; |
| import org.junit.runner.RunWith; |
| import org.junit.runners.Parameterized; |
| |
| @RunWith(Parameterized.class) |
| public class ApplyMappingAfterHorizontalMergingFieldTest extends TestBase { |
| |
| private static final String EXPECTED_SUCCESS = StringUtils.lines("true"); |
| |
| // Will merge with B. |
| public static class LibraryA { |
| |
| public static boolean bar; |
| } |
| |
| // Will merge with A. |
| public static class LibraryB { |
| |
| public static boolean foo; |
| } |
| |
| // Ensure kept entry hitting the merged classes. |
| public static class LibraryMain { |
| |
| public static void main(String[] args) { |
| LibraryA.bar = System.nanoTime() > 0; |
| LibraryB.foo = args.length < 123; |
| System.out.println(LibraryA.bar && LibraryB.foo); |
| } |
| } |
| |
| // Program class simply calling library main. |
| public static class ProgramClass { |
| |
| public static void main(String[] args) { |
| LibraryMain.main(args); |
| } |
| } |
| |
| // Test runner code follows. |
| |
| private static final Class<?>[] LIBRARY_CLASSES = { |
| LibraryA.class, |
| LibraryB.class, |
| LibraryMain.class |
| }; |
| |
| private static final Class<?>[] PROGRAM_CLASSES = { |
| ProgramClass.class |
| }; |
| |
| private TestParameters parameters; |
| |
| @Parameterized.Parameters(name = "{0}") |
| public static TestParametersCollection data() { |
| return getTestParameters().withAllRuntimesAndApiLevels().build(); |
| } |
| |
| public ApplyMappingAfterHorizontalMergingFieldTest(TestParameters parameters) { |
| this.parameters = parameters; |
| } |
| |
| @Test |
| public void runOnJvm() throws Throwable { |
| Assume.assumeTrue(parameters.isCfRuntime()); |
| testForJvm() |
| .addProgramClasses(LIBRARY_CLASSES) |
| .addProgramClasses(PROGRAM_CLASSES) |
| .addTestingAnnotationsAsProgramClasses() |
| .run(parameters.getRuntime(), ProgramClass.class) |
| .assertSuccessWithOutput(EXPECTED_SUCCESS); |
| } |
| |
| @Test |
| public void b121042934() throws Exception { |
| R8TestCompileResult libraryResult = |
| testForR8(parameters.getBackend()) |
| .addProgramClasses(LIBRARY_CLASSES) |
| .addTestingAnnotationsAsProgramClasses() |
| .addKeepMainRule(LibraryMain.class) |
| .setMinApi(parameters.getApiLevel()) |
| .compile(); |
| |
| CodeInspector inspector = libraryResult.inspector(); |
| assertThat(inspector.clazz(LibraryMain.class), isPresent()); |
| // Classes A and B have been merged, check only one remains. |
| assertTrue(inspector.clazz(LibraryA.class).isPresent() |
| != inspector.clazz(LibraryB.class).isPresent()); |
| |
| testForR8(parameters.getBackend()) |
| .noTreeShaking() |
| .noMinification() |
| .addProgramClasses(PROGRAM_CLASSES) |
| .addApplyMapping(libraryResult.getProguardMap()) |
| .addLibraryClasses(LIBRARY_CLASSES) |
| .addTestingAnnotationsAsLibraryClasses() |
| .addLibraryFiles(runtimeJar(parameters.getBackend())) |
| .setMinApi(parameters.getApiLevel()) |
| .compile() |
| .addRunClasspathFiles(libraryResult.writeToZip()) |
| .run(parameters.getRuntime(), ProgramClass.class) |
| .assertSuccessWithOutput(EXPECTED_SUCCESS); |
| } |
| } |