| // 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.enumunboxing; |
| |
| import static org.hamcrest.core.StringContains.containsString; |
| |
| import com.android.tools.r8.R8TestCompileResult; |
| import com.android.tools.r8.TestParameters; |
| import com.android.tools.r8.utils.BooleanUtils; |
| import java.nio.file.Path; |
| import java.util.List; |
| import org.junit.Test; |
| import org.junit.runner.RunWith; |
| import org.junit.runners.Parameterized; |
| |
| @RunWith(Parameterized.class) |
| public class EnumUnboxingB160535628Test extends EnumUnboxingTestBase { |
| |
| private final TestParameters parameters; |
| private final boolean missingStaticMethods; |
| private final EnumKeepRules enumKeepRules; |
| |
| @Parameterized.Parameters(name = "{0} missing: {1} keep: {2}") |
| public static List<Object[]> data() { |
| return buildParameters( |
| getTestParameters().withDexRuntimes().withAllApiLevels().build(), |
| BooleanUtils.values(), |
| getAllEnumKeepRules()); |
| } |
| |
| public EnumUnboxingB160535628Test( |
| TestParameters parameters, boolean missingStaticMethods, EnumKeepRules enumKeepRules) { |
| this.parameters = parameters; |
| this.missingStaticMethods = missingStaticMethods; |
| this.enumKeepRules = enumKeepRules; |
| } |
| |
| @Test |
| public void testCallToMissingStaticMethodInUnboxedEnum() throws Exception { |
| // Compile the lib cf to cf. |
| Path javaLibShrunk = compileLibrary(); |
| // Compile the program with the lib. |
| // This should compile without error into code raising the correct NoSuchMethod errors. |
| R8TestCompileResult compile = |
| testForR8(parameters.getBackend()) |
| .addProgramClasses(ProgramValueOf.class, ProgramStaticMethod.class) |
| .addProgramFiles(javaLibShrunk) |
| .addKeepMainRules(ProgramValueOf.class, ProgramStaticMethod.class) |
| .addKeepRules(enumKeepRules.getKeepRules()) |
| .addEnumUnboxingInspector( |
| inspector -> |
| inspector |
| // Without the studio keep rules, LibEnum.valueOf() is removed, which is |
| // used in this compilation, causing LibEnum to be ineligible for unboxing. |
| .assertUnboxedIf( |
| !missingStaticMethods || enumKeepRules.isStudio(), Lib.LibEnum.class) |
| .assertUnboxedIf(!missingStaticMethods, Lib.LibEnumStaticMethod.class)) |
| .allowDiagnosticMessages() |
| .setMinApi(parameters.getApiLevel()) |
| .compile(); |
| if (missingStaticMethods) { |
| compile |
| .run(parameters.getRuntime(), ProgramStaticMethod.class) |
| .assertFailureWithErrorThatMatches(containsString("NoSuchMethodError")) |
| .assertFailureWithErrorThatMatches(containsString("staticMethod")); |
| } else { |
| compile |
| .run(parameters.getRuntime(), ProgramStaticMethod.class) |
| .assertSuccessWithOutputLines("0", "42"); |
| } |
| if (missingStaticMethods && enumKeepRules == EnumKeepRules.NONE) { |
| compile |
| .run(parameters.getRuntime(), ProgramValueOf.class) |
| .assertFailureWithErrorThatMatches(containsString("NoSuchMethodError")) |
| .assertFailureWithErrorThatMatches(containsString("valueOf")); |
| } else { |
| compile |
| .run(parameters.getRuntime(), ProgramValueOf.class) |
| .assertSuccessWithOutputLines("0", "0"); |
| } |
| } |
| |
| private Path compileLibrary() throws Exception { |
| return testForR8(Backend.CF) |
| .addProgramClasses(Lib.class, Lib.LibEnumStaticMethod.class, Lib.LibEnum.class) |
| .addKeepRules("-keep enum * { <fields>; }") |
| .addKeepRules(enumKeepRules.getKeepRules()) |
| .addKeepRules(missingStaticMethods ? "" : "-keep enum * { static <methods>; }") |
| .addKeepClassRules(Lib.LibEnumStaticMethod.class) |
| .addEnumUnboxingInspector( |
| inspector -> |
| inspector.assertNotUnboxed(Lib.LibEnum.class, Lib.LibEnumStaticMethod.class)) |
| .allowDiagnosticMessages() |
| .setMinApi(parameters.getApiLevel()) |
| .compile() |
| .writeToZip(); |
| } |
| |
| public static class Lib { |
| |
| public enum LibEnumStaticMethod { |
| A, |
| B; |
| |
| static int staticMethod() { |
| return 42; |
| } |
| } |
| |
| public enum LibEnum { |
| A, |
| B |
| } |
| } |
| |
| public static class ProgramValueOf { |
| |
| public static void main(String[] args) { |
| System.out.println(Lib.LibEnum.A.ordinal()); |
| System.out.println(Lib.LibEnum.valueOf(Lib.LibEnum.A.name()).ordinal()); |
| } |
| } |
| |
| public static class ProgramStaticMethod { |
| |
| public static void main(String[] args) { |
| System.out.println(Lib.LibEnumStaticMethod.A.ordinal()); |
| System.out.println(Lib.LibEnumStaticMethod.staticMethod()); |
| } |
| } |
| } |