| // 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.setMockApiLevelForField; |
| import static com.android.tools.r8.apimodel.ApiModelingTestHelper.verifyThat; |
| |
| import com.android.tools.r8.NeverInline; |
| import com.android.tools.r8.NoHorizontalClassMerging; |
| 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 java.lang.reflect.Field; |
| 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 ApiModelNoInliningOfHigherApiLevelStaticFieldTest extends TestBase { |
| |
| private final TestParameters parameters; |
| |
| @Parameters(name = "{0}") |
| public static TestParametersCollection data() { |
| return getTestParameters().withAllRuntimesAndApiLevels().build(); |
| } |
| |
| public ApiModelNoInliningOfHigherApiLevelStaticFieldTest(TestParameters parameters) { |
| this.parameters = parameters; |
| } |
| |
| @Test |
| public void testR8() throws Exception { |
| Field apiField = Api.class.getDeclaredField("apiLevel22"); |
| Method apiCaller = ApiCaller.class.getDeclaredMethod("getStaticField"); |
| Method apiCallerCaller = ApiCallerCaller.class.getDeclaredMethod("noApiCall"); |
| testForR8(parameters.getBackend()) |
| .addProgramClasses(ApiCaller.class, ApiCallerCaller.class, Main.class) |
| .addLibraryClasses(Api.class) |
| .addDefaultRuntimeLibrary(parameters) |
| .setMinApi(parameters.getApiLevel()) |
| .addKeepMainRule(Main.class) |
| .enableInliningAnnotations() |
| .enableNoHorizontalClassMergingAnnotations() |
| .apply(setMockApiLevelForField(apiField, AndroidApiLevel.L_MR1)) |
| .apply(ApiModelingTestHelper::enableApiCallerIdentification) |
| .compile() |
| .inspect( |
| inspector -> |
| verifyThat(inspector, parameters, apiCaller) |
| .inlinedIntoFromApiLevel(apiCallerCaller, AndroidApiLevel.L_MR1)) |
| .addRunClasspathClasses(Api.class) |
| .run(parameters.getRuntime(), Main.class) |
| .assertSuccessWithOutputLines("Hello World!"); |
| } |
| |
| // The api class does not have an api level to ensure it is not the class reference is keeping us |
| // from inlining. |
| public static class Api { |
| |
| public static String apiLevel22 = "Hello World!"; |
| } |
| |
| @NoHorizontalClassMerging |
| public static class ApiCaller { |
| |
| public static void getStaticField() { |
| System.out.println(Api.apiLevel22); |
| } |
| } |
| |
| @NoHorizontalClassMerging |
| public static class ApiCallerCaller { |
| |
| @NeverInline |
| public static void noApiCall() { |
| ApiCaller.getStaticField(); |
| } |
| } |
| |
| public static class Main { |
| |
| public static void main(String[] args) { |
| ApiCallerCaller.noApiCall(); |
| } |
| } |
| } |