| // 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 org.junit.Assert.assertEquals; |
| |
| import com.android.tools.r8.TestParameters; |
| import com.android.tools.r8.ToolHelper; |
| import com.android.tools.r8.ToolHelper.DexVm.Version; |
| import com.android.tools.r8.desugar.desugaredlibrary.DesugaredLibraryTestBase; |
| import com.android.tools.r8.references.Reference; |
| import com.android.tools.r8.utils.AndroidApiLevel; |
| import java.lang.reflect.Method; |
| import java.nio.file.Paths; |
| 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 ApiModelNoDesugaredLibraryReferenceTest extends DesugaredLibraryTestBase { |
| |
| private final TestParameters parameters; |
| |
| @Parameters(name = "{0}") |
| public static List<Object[]> data() { |
| return buildParameters(getTestParameters().withDexRuntimes().withAllApiLevels().build()); |
| } |
| |
| public ApiModelNoDesugaredLibraryReferenceTest(TestParameters parameters) { |
| this.parameters = parameters; |
| } |
| |
| @Test |
| public void testR8() throws Exception { |
| KeepRuleConsumer keepRuleConsumer = createKeepRuleConsumer(parameters); |
| Method printZone = LibUser.class.getDeclaredMethod("printPath"); |
| Method main = Executor.class.getDeclaredMethod("main", String[].class); |
| testForR8(parameters.getBackend()) |
| .addProgramClasses(Executor.class, LibUser.class) |
| .addLibraryFiles(ToolHelper.getAndroidJar(AndroidApiLevel.P)) |
| .addKeepMainRule(Executor.class) |
| .setMinApi(parameters.getApiLevel()) |
| .enableCoreLibraryDesugaring(parameters.getApiLevel(), keepRuleConsumer) |
| .apply(ApiModelingTestHelper::enableApiCallerIdentification) |
| .apply( |
| ApiModelingTestHelper.addTracedApiReferenceLevelCallBack( |
| (reference, apiLevel) -> { |
| if (reference.equals(Reference.methodFromMethod(printZone))) { |
| assertEquals(AndroidApiLevel.O.max(parameters.getApiLevel()), apiLevel); |
| } |
| })) |
| .compile() |
| .addDesugaredCoreLibraryRunClassPath( |
| this::buildDesugaredLibrary, parameters.getApiLevel(), keepRuleConsumer.get(), false) |
| .run(parameters.getRuntime(), Executor.class) |
| .applyIf( |
| parameters.getDexRuntimeVersion().isDalvik(), |
| result -> result.assertSuccessWithOutputLines("java.nio.file.Paths")) |
| .applyIf( |
| parameters.getDexRuntimeVersion().isInRangeInclusive(Version.V5_1_1, Version.V7_0_0), |
| result -> |
| result.assertSuccessWithOutputLines("Failed resolution of: Ljava/nio/file/Paths;")) |
| .applyIf( |
| parameters.getDexRuntimeVersion().isNewerThan(Version.V7_0_0), |
| result -> result.assertSuccessWithOutputLines("~")) |
| .inspect( |
| ApiModelingTestHelper.verifyThat(parameters, printZone) |
| .inlinedIntoFromApiLevel(main, AndroidApiLevel.O)); |
| } |
| |
| static class Executor { |
| |
| public static void main(String[] args) { |
| try { |
| LibUser.printPath(); |
| } catch (Throwable t) { |
| System.out.println(t.getMessage()); |
| } |
| } |
| } |
| |
| static class LibUser { |
| |
| public static void printPath() { |
| // java.nio.Path is not (yet) library desugared. |
| System.out.println(Paths.get("~")); |
| } |
| } |
| } |