| // 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.shaking; |
| |
| import static org.hamcrest.CoreMatchers.containsString; |
| |
| import com.android.tools.r8.NeverInline; |
| import com.android.tools.r8.TestBase; |
| import com.android.tools.r8.TestParameters; |
| import com.android.tools.r8.TestParametersCollection; |
| import com.android.tools.r8.ToolHelper.DexVm.Version; |
| import java.util.concurrent.ConcurrentHashMap; |
| import java.util.concurrent.ConcurrentHashMap.KeySetView; |
| import org.junit.Test; |
| import org.junit.runner.RunWith; |
| import org.junit.runners.Parameterized; |
| |
| @RunWith(Parameterized.class) |
| public class LibraryMethodOverrideCovariantTest extends TestBase { |
| |
| private final TestParameters parameters; |
| |
| @Parameterized.Parameters(name = "{0}") |
| public static TestParametersCollection data() { |
| return getTestParameters().withAllRuntimesAndApiLevels().build(); |
| } |
| |
| public LibraryMethodOverrideCovariantTest(TestParameters parameters) { |
| this.parameters = parameters; |
| } |
| |
| private boolean supportsKeySetView() { |
| return parameters.isCfRuntime() |
| || parameters.getDexRuntimeVersion().isNewerThanOrEqual(Version.V10_0_0); |
| } |
| |
| @Test |
| public void testRuntime() throws Exception { |
| testForRuntime(parameters) |
| .addProgramClasses(Main.class) |
| .addRunClasspathFiles(buildOnDexRuntime(parameters, LibraryUser.class)) |
| .run(parameters.getRuntime(), Main.class) |
| .applyIf( |
| supportsKeySetView(), |
| result -> result.assertFailureWithErrorThatMatches(containsString("Hello World")), |
| result -> result.assertFailureWithErrorThatThrows(NoSuchMethodError.class)); |
| } |
| |
| @Test |
| public void testR8() throws Exception { |
| testForR8(parameters.getBackend()) |
| .addProgramClassFileData(getMainWithoutSyntheticBridgeForKeySet()) |
| .addDefaultRuntimeLibrary(parameters) |
| .addLibraryClasses(LibraryUser.class) |
| .addKeepMainRule(Main.class) |
| .setMinApi(parameters.getApiLevel()) |
| .enableInliningAnnotations() |
| .compile() |
| .addRunClasspathFiles(buildOnDexRuntime(parameters, LibraryUser.class)) |
| .run(parameters.getRuntime(), Main.class) |
| .applyIf( |
| supportsKeySetView(), |
| result -> result.assertFailureWithErrorThatMatches(containsString("Hello World")), |
| result -> result.assertFailureWithErrorThatThrows(NoSuchMethodError.class)); |
| } |
| |
| private byte[] getMainWithoutSyntheticBridgeForKeySet() throws Exception { |
| return transformer(Main.class) |
| .removeMethods( |
| (access, name, descriptor, signature, exceptions) -> |
| descriptor.equals("()Ljava/util/Set;")) |
| .transform(); |
| } |
| |
| public static class Main extends ConcurrentHashMap<String, String> { |
| |
| @Override |
| @NeverInline |
| public KeySetView<String, String> keySet() { |
| throw new RuntimeException("Hello World"); |
| } |
| |
| public static void main(String[] args) { |
| LibraryUser.checkKeySet(new Main()); |
| } |
| } |
| |
| public static class LibraryUser { |
| |
| public static void checkKeySet(ConcurrentHashMap<?, ?> map) { |
| KeySetView<?, ?> objects = map.keySet(); |
| } |
| } |
| } |