| // 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.CoreMatchers.not; |
| import static org.hamcrest.MatcherAssert.assertThat; |
| |
| import com.android.tools.r8.R8TestCompileResult; |
| import com.android.tools.r8.TestBase; |
| import com.android.tools.r8.ToolHelper; |
| 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 ApplyMappingAfterVerticalMergingFieldTest extends TestBase { |
| |
| private static final String EXPECTED_SUCCESS = StringUtils.lines("true"); |
| |
| // Base class will be vertical class merged into subclass |
| public static class LibraryBase { |
| |
| public boolean foo = System.nanoTime() > 0; |
| } |
| |
| // Subclass targeted via vertical class merging. The main method ensures a reference to foo. |
| public static class LibrarySubclass extends LibraryBase { |
| |
| public static void main(String[] args) { |
| System.out.println(new LibrarySubclass().foo); |
| } |
| } |
| |
| // Program class that uses LibrarySubclass and its main method. |
| // should thus fail at runtime. |
| public static class ProgramClass extends LibrarySubclass { |
| |
| public static void main(String[] args) { |
| LibrarySubclass.main(args); |
| } |
| } |
| |
| // Test runner code follows. |
| |
| private static final Class<?>[] LIBRARY_CLASSES = { |
| LibraryBase.class, LibrarySubclass.class |
| }; |
| |
| private static final Class<?>[] PROGRAM_CLASSES = { |
| ProgramClass.class |
| }; |
| |
| private Backend backend; |
| |
| @Parameterized.Parameters(name = "{0}") |
| public static Backend[] data() { |
| return ToolHelper.getBackends(); |
| } |
| |
| public ApplyMappingAfterVerticalMergingFieldTest(Backend backend) { |
| this.backend = backend; |
| } |
| |
| @Test |
| public void runOnJvm() throws Throwable { |
| Assume.assumeTrue(backend == Backend.CF); |
| testForJvm() |
| .addProgramClasses(LIBRARY_CLASSES) |
| .addProgramClasses(PROGRAM_CLASSES) |
| .run(ProgramClass.class) |
| .assertSuccessWithOutput(EXPECTED_SUCCESS); |
| } |
| |
| @Test |
| public void b121042934() throws Exception { |
| R8TestCompileResult libraryResult = testForR8(backend) |
| .addProgramClasses(LIBRARY_CLASSES) |
| .addKeepMainRule(LibrarySubclass.class) |
| .addKeepClassAndDefaultConstructor(LibrarySubclass.class) |
| .compile(); |
| |
| CodeInspector inspector = libraryResult.inspector(); |
| assertThat(inspector.clazz(LibraryBase.class), not(isPresent())); |
| assertThat(inspector.clazz(LibrarySubclass.class), isPresent()); |
| |
| testForR8(backend) |
| .noTreeShaking() |
| .noMinification() |
| .addProgramClasses(PROGRAM_CLASSES) |
| .addApplyMapping(libraryResult.getProguardMap()) |
| .addLibraryClasses(LIBRARY_CLASSES) |
| .addLibraryFiles(runtimeJar(backend)) |
| .compile() |
| .addRunClasspathFiles(libraryResult.writeToZip()) |
| .run(ProgramClass.class) |
| .assertSuccessWithOutput(EXPECTED_SUCCESS); |
| } |
| } |