| // 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.naming; |
| |
| import static com.android.tools.r8.DiagnosticsMatcher.diagnosticMessage; |
| import static com.android.tools.r8.utils.codeinspector.Matchers.isPresentAndRenamed; |
| import static org.hamcrest.CoreMatchers.containsString; |
| import static org.hamcrest.MatcherAssert.assertThat; |
| import static org.junit.Assert.assertEquals; |
| import static org.junit.Assert.assertThrows; |
| import static org.junit.Assume.assumeTrue; |
| |
| import com.android.tools.r8.CompilationFailedException; |
| 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.naming.testclasses.A; |
| import com.android.tools.r8.naming.testclasses.B; |
| import com.android.tools.r8.utils.FileUtils; |
| import java.io.IOException; |
| import java.nio.file.Path; |
| import java.util.concurrent.ExecutionException; |
| import java.util.function.Function; |
| import org.junit.Test; |
| import org.junit.runner.RunWith; |
| import org.junit.runners.Parameterized; |
| import org.junit.runners.Parameterized.Parameters; |
| |
| /** This test is designed to test the workaround for b/149946708. */ |
| @RunWith(Parameterized.class) |
| public class ClassNameMinifierOriginalClassNameTest extends TestBase { |
| |
| private final TestParameters parameters; |
| |
| @Parameters(name = "{0}") |
| public static TestParametersCollection data() { |
| return getTestParameters().withAllRuntimesAndApiLevels().build(); |
| } |
| |
| public ClassNameMinifierOriginalClassNameTest(TestParameters parameters) { |
| this.parameters = parameters; |
| } |
| |
| private static Function<TestParameters, R8TestCompileResult> compilationResults = |
| memoizeFunction(ClassNameMinifierOriginalClassNameTest::compile); |
| |
| private static R8TestCompileResult compile(TestParameters parameters) |
| throws CompilationFailedException, IOException, ExecutionException { |
| // Adding the obfuscation dictionary just ensures that we assign a name to B that will collide |
| // independent of minification scheme. |
| Path dictionary = getStaticTemp().newFolder().toPath().resolve("dictionary.txt"); |
| FileUtils.writeTextFile(dictionary, "A"); |
| return testForR8(getStaticTemp(), parameters.getBackend()) |
| .addProgramClasses(A.class, B.class) |
| .addKeepClassAndMembersRulesWithAllowObfuscation(B.class) |
| .addKeepRules("-classobfuscationdictionary " + dictionary.toString(), "-keeppackagenames") |
| .setMinApi(parameters.getApiLevel()) |
| .compile() |
| .inspect( |
| inspector -> { |
| assertEquals(1, inspector.allClasses().size()); |
| assertThat(inspector.clazz(B.class), isPresentAndRenamed()); |
| assertEquals(A.class.getTypeName(), inspector.clazz(B.class).getFinalName()); |
| }); |
| } |
| |
| @Test |
| public void testR8() throws ExecutionException, CompilationFailedException, IOException { |
| R8TestCompileResult libraryCompileResult = compilationResults.apply(parameters); |
| testForR8(parameters.getBackend()) |
| .addProgramClasses(Main.class) |
| .setMinApi(parameters.getApiLevel()) |
| .addKeepMainRule(Main.class) |
| .noMinification() |
| .addClasspathClasses(A.class, B.class) |
| .addApplyMapping(libraryCompileResult.getProguardMap()) |
| .compile() |
| .addRunClasspathFiles(libraryCompileResult.writeToZip()) |
| .run(parameters.getRuntime(), Main.class) |
| .assertSuccessWithOutputLines("B.foo"); |
| } |
| |
| @Test |
| public void testR8WithReferenceToNotMapped() { |
| assumeTrue(parameters.isDexRuntime()); |
| R8TestCompileResult libraryCompileResult = compilationResults.apply(parameters); |
| assertThrows( |
| CompilationFailedException.class, |
| () -> |
| testForR8(parameters.getBackend()) |
| .addProgramClasses(MainWithReferenceToNotMapped.class) |
| .setMinApi(parameters.getApiLevel()) |
| .addKeepMainRule(MainWithReferenceToNotMapped.class) |
| .noMinification() |
| .addClasspathClasses(A.class, B.class) |
| .addApplyMapping(libraryCompileResult.getProguardMap()) |
| .allowDiagnosticWarningMessages() |
| .compileWithExpectedDiagnostics( |
| diagnostics -> |
| diagnostics.assertAllWarningsMatch( |
| diagnosticMessage( |
| containsString( |
| "'" |
| + B.class.getTypeName() |
| + "' cannot be mapped to '" |
| + A.class.getTypeName() |
| + "' because it is in conflict"))))); |
| } |
| |
| public static class Main { |
| |
| public static void main(String[] args) { |
| new B().foo(); |
| } |
| } |
| |
| public static class MainWithReferenceToNotMapped { |
| |
| public static void main(String[] args) { |
| System.out.println(new A()); |
| new B().foo(); |
| } |
| } |
| } |