| // Copyright (c) 2021, 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.apimodel; |
| |
| import static com.android.tools.r8.apimodel.ApiModelingTestHelper.addTracedApiReferenceLevelCallBack; |
| import static com.android.tools.r8.utils.AndroidApiLevel.LATEST; |
| import static org.junit.Assert.assertEquals; |
| |
| import com.android.tools.r8.TestBase; |
| import com.android.tools.r8.TestParameters; |
| import com.android.tools.r8.TestParametersCollection; |
| import com.android.tools.r8.ToolHelper; |
| import com.android.tools.r8.references.Reference; |
| import com.android.tools.r8.utils.AndroidApiLevel; |
| import java.lang.reflect.Method; |
| 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 ApiModelVirtualDispatchInterfaceOverrideTest extends TestBase { |
| |
| private final TestParameters parameters; |
| |
| @Parameters(name = "{0}") |
| public static TestParametersCollection data() { |
| return getTestParameters().withAllRuntimesAndApiLevels().build(); |
| } |
| |
| public ApiModelVirtualDispatchInterfaceOverrideTest(TestParameters parameters) { |
| this.parameters = parameters; |
| } |
| |
| @Test() |
| public void testR8() throws Exception { |
| // android/content/res/AssetManager exists from AndroidApiLevel.B but in 21 it implements |
| // java/lang/AutoCloseable. However, close()V has always been defined, so the api level should |
| // always be min api. |
| Method main = |
| ApiModelVirtualDispatchSuperTypeTest.Main.class.getDeclaredMethod("main", String[].class); |
| testForR8(parameters.getBackend()) |
| .addProgramClassFileData( |
| transformer(Main.class) |
| .replaceClassDescriptorInMethodInstructions( |
| descriptor(AssetManager.class), "Landroid/content/res/AssetManager;") |
| .transform()) |
| .addLibraryFiles(ToolHelper.getAndroidJar(LATEST)) |
| .setMinApi(parameters) |
| .addKeepMainRule(Main.class) |
| .apply(ApiModelingTestHelper::enableApiCallerIdentification) |
| .apply( |
| addTracedApiReferenceLevelCallBack( |
| (method, apiLevel) -> { |
| if (Reference.methodFromMethod(main).equals(method)) { |
| assertEquals( |
| parameters.isCfRuntime() ? AndroidApiLevel.B : parameters.getApiLevel(), |
| apiLevel); |
| } |
| })) |
| .compile(); |
| } |
| |
| public static class AssetManager { |
| |
| public void close() {} |
| } |
| |
| public static class Main { |
| |
| public static void main(String[] args) { |
| AssetManager manager = null; |
| manager.close(); |
| } |
| } |
| } |