| // 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.setMockApiLevelForMethod; |
| import static com.android.tools.r8.apimodel.ApiModelingTestHelper.verifyThat; |
| import static com.android.tools.r8.utils.AndroidApiLevel.L_MR1; |
| 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.TestBase; |
| import com.android.tools.r8.TestParameters; |
| import com.android.tools.r8.TestParametersCollection; |
| import com.android.tools.r8.utils.AndroidApiLevel; |
| import com.android.tools.r8.utils.codeinspector.ClassSubject; |
| import com.android.tools.r8.utils.codeinspector.CodeMatchers; |
| import com.android.tools.r8.utils.codeinspector.MethodSubject; |
| 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 ApiModelInlineInSameClassTest extends TestBase { |
| |
| private final TestParameters parameters; |
| |
| @Parameters(name = "{0}") |
| public static TestParametersCollection data() { |
| return getTestParameters().withAllRuntimesAndApiLevels().build(); |
| } |
| |
| public ApiModelInlineInSameClassTest(TestParameters parameters) { |
| this.parameters = parameters; |
| } |
| |
| @Test |
| public void testR8() throws Exception { |
| Method apiMethod = Api.class.getDeclaredMethod("apiLevel22"); |
| Method callingApi = ApiCaller.class.getDeclaredMethod("callingApi"); |
| Method notCallingApi = ApiCaller.class.getDeclaredMethod("notCallingApi"); |
| Method main = Main.class.getDeclaredMethod("main", String[].class); |
| testForR8(parameters.getBackend()) |
| .addProgramClasses(ApiCaller.class, ApiCallerCaller.class, Main.class) |
| .addLibraryClasses(Api.class) |
| .addDefaultRuntimeLibrary(parameters) |
| .setMinApi(parameters.getApiLevel()) |
| .addKeepMainRule(Main.class) |
| .apply(setMockApiLevelForMethod(apiMethod, AndroidApiLevel.L_MR1)) |
| .apply(ApiModelingTestHelper::enableApiCallerIdentification) |
| // We are testing that we do not inline/merge higher api-levels |
| .apply(ApiModelingTestHelper::disableOutliningAndStubbing) |
| .compile() |
| .inspect( |
| inspector -> { |
| // No matter the api level, we should always inline callingApi into notCallingApi. |
| verifyThat(inspector, parameters, notCallingApi).inlinedIntoFromApiLevel(main, L_MR1); |
| assertThat(inspector.method(callingApi), not(isPresent())); |
| if (parameters.isDexRuntime() |
| && parameters.getApiLevel().isGreaterThanOrEqualTo(L_MR1)) { |
| ClassSubject mainSubject = inspector.clazz(Main.class); |
| MethodSubject mainMethodSubject = mainSubject.uniqueMethodWithName("main"); |
| assertThat(mainMethodSubject, isPresent()); |
| assertThat(mainMethodSubject, CodeMatchers.invokesMethodWithName("apiLevel22")); |
| } |
| }) |
| .addRunClasspathClasses(Api.class) |
| .run(parameters.getRuntime(), Main.class) |
| .assertSuccessWithOutputLines("Api::apiLevel22"); |
| } |
| |
| public static class Api { |
| |
| public static void apiLevel22() { |
| System.out.println("Api::apiLevel22"); |
| } |
| } |
| |
| public static class ApiCaller { |
| |
| public static void callingApi() { |
| Api.apiLevel22(); |
| } |
| |
| public static void notCallingApi() { |
| // If api level information is not propagated correctly, inlining `callingApi` into |
| // `notCallingApi` will have an api call that is not modeled correctly and it could be inlined |
| // into its callers incorrectly. |
| callingApi(); |
| } |
| } |
| |
| public static class ApiCallerCaller { |
| |
| public static void foo() { |
| ApiCaller.notCallingApi(); |
| } |
| } |
| |
| public static class Main { |
| |
| public static void main(String[] args) { |
| ApiCallerCaller.foo(); |
| } |
| } |
| } |