| // 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.utils.codeinspector.Matchers.isPresentAndRenamed; |
| import static junit.framework.TestCase.assertEquals; |
| import static org.hamcrest.CoreMatchers.containsString; |
| import static org.hamcrest.MatcherAssert.assertThat; |
| import static org.junit.Assume.assumeFalse; |
| |
| import com.android.tools.r8.NeverClassInline; |
| import com.android.tools.r8.NeverInline; |
| import com.android.tools.r8.R8TestRunResult; |
| import com.android.tools.r8.TestBase; |
| import com.android.tools.r8.TestParameters; |
| import com.android.tools.r8.TestRunResult; |
| import com.android.tools.r8.resolution.virtualtargets.package_a.ViewModel; |
| import com.android.tools.r8.utils.BooleanUtils; |
| import com.android.tools.r8.utils.codeinspector.ClassSubject; |
| import com.android.tools.r8.utils.codeinspector.CodeInspector; |
| import com.android.tools.r8.utils.codeinspector.MethodSubject; |
| import java.util.List; |
| import org.junit.Test; |
| import org.junit.runner.RunWith; |
| import org.junit.runners.Parameterized; |
| import org.junit.runners.Parameterized.Parameters; |
| |
| @RunWith(Parameterized.class) |
| public class PackagePrivateOverrideSameMethodNameTest extends TestBase { |
| |
| private final TestParameters parameters; |
| private final String[] EXPECTED = new String[] {"SubViewModel.clear()", "ViewModel.clear()"}; |
| private final boolean minification; |
| |
| @Parameters(name = "{0}, minification: {1}") |
| public static List<Object[]> data() { |
| return buildParameters( |
| getTestParameters().withAllRuntimesAndApiLevels().build(), BooleanUtils.values()); |
| } |
| |
| public PackagePrivateOverrideSameMethodNameTest(TestParameters parameters, boolean minification) { |
| this.parameters = parameters; |
| this.minification = minification; |
| } |
| |
| @Test |
| public void testRuntime() throws Exception { |
| assumeFalse(minification); |
| testForRuntime(parameters) |
| .addProgramClasses(ViewModel.class, SubViewModel.class, Main.class) |
| .run(parameters.getRuntime(), Main.class) |
| .apply(this::assertSuccessOutput); |
| } |
| |
| @Test |
| public void testR8() throws Exception { |
| R8TestRunResult runResult = |
| testForR8(parameters.getBackend()) |
| .addProgramClasses(ViewModel.class, SubViewModel.class, Main.class) |
| .addKeepMainRule(Main.class) |
| .setMinApi(parameters.getApiLevel()) |
| .enableInliningAnnotations() |
| .enableNeverClassInliningAnnotations() |
| .minification(minification) |
| .run(parameters.getRuntime(), Main.class) |
| .apply(this::assertSuccessOutput); |
| if (parameters.isDexRuntime() && parameters.getDexRuntimeVersion().isDalvik()) { |
| runResult.inspectFailure(this::inspect); |
| } else { |
| runResult.inspect(this::inspect); |
| } |
| } |
| |
| private void inspect(CodeInspector inspector) { |
| ClassSubject viewModel = inspector.clazz(ViewModel.class); |
| assertThat(viewModel, isPresentAndRenamed(minification)); |
| ClassSubject subViewModel = inspector.clazz(SubViewModel.class); |
| assertThat(subViewModel, isPresentAndRenamed(minification)); |
| MethodSubject viewModelClear = viewModel.uniqueMethodWithOriginalName("clear"); |
| assertThat(viewModelClear, isPresentAndRenamed(minification)); |
| MethodSubject subViewModelClear = subViewModel.uniqueMethodWithOriginalName("clear"); |
| assertThat(subViewModelClear, isPresentAndRenamed(minification)); |
| assertEquals(viewModelClear.getFinalName(), subViewModelClear.getFinalName()); |
| if (!minification) { |
| assertEquals("clear", viewModelClear.getFinalName()); |
| } |
| } |
| |
| private void assertSuccessOutput(TestRunResult<?> result) { |
| if (parameters.isDexRuntime() && parameters.getDexRuntimeVersion().isDalvik()) { |
| result.assertFailureWithErrorThatMatches(containsString("overrides final")); |
| } else { |
| result.assertSuccessWithOutputLines(EXPECTED); |
| } |
| } |
| |
| @NeverClassInline |
| public static class SubViewModel extends ViewModel { |
| |
| @NeverInline |
| public void clear() { |
| System.out.println("SubViewModel.clear()"); |
| } |
| } |
| |
| public static class Main { |
| |
| public static void main(String[] args) { |
| SubViewModel subViewModel = new SubViewModel(); |
| subViewModel.clear(); |
| subViewModel.clearBridge(); |
| } |
| } |
| } |