| // 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.CoreMatchers.containsString; |
| |
| import com.android.tools.r8.NeverClassInline; |
| import com.android.tools.r8.R8TestRunResult; |
| import com.android.tools.r8.TestParameters; |
| import java.io.IOException; |
| 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 EnumMissingFieldsUnboxingTest extends EnumUnboxingTestBase { |
| |
| private final TestParameters parameters; |
| private final boolean enumValueOptimization; |
| private final EnumKeepRules enumKeepRules; |
| |
| @Parameters(name = "{0} valueOpt: {1} keep: {2}") |
| public static List<Object[]> data() { |
| return enumUnboxingTestParameters(); |
| } |
| |
| public EnumMissingFieldsUnboxingTest( |
| TestParameters parameters, boolean enumValueOptimization, EnumKeepRules enumKeepRules) { |
| this.parameters = parameters; |
| this.enumValueOptimization = enumValueOptimization; |
| this.enumKeepRules = enumKeepRules; |
| } |
| |
| @Test |
| public void testEnumUnboxing() throws Exception { |
| R8TestRunResult run = |
| testForR8(parameters.getBackend()) |
| .addProgramClasses(TestClass.class) |
| .addProgramClassFileData(getEnumProgramData()) |
| .addKeepMainRule(TestClass.class) |
| .addKeepRules(enumKeepRules.getKeepRules()) |
| .enableNeverClassInliningAnnotations() |
| .addOptionsModification(opt -> enableEnumOptions(opt, enumValueOptimization)) |
| .allowDiagnosticInfoMessages() |
| .setMinApi(parameters.getApiLevel()) |
| .compile() |
| .inspectDiagnosticMessages( |
| m -> assertEnumIsBoxed(CompilationEnum.class, TestClass.class.getSimpleName(), m)) |
| .run(parameters.getRuntime(), TestClass.class) |
| .assertFailureWithErrorThatMatches(containsString("NoSuchFieldError")); |
| assertLines2By2Correct(run.getStdOut()); |
| } |
| |
| private byte[] getEnumProgramData() throws IOException { |
| return transformer(RuntimeEnum.class) |
| .setClassDescriptor(descriptor(CompilationEnum.class)) |
| .transform(); |
| } |
| |
| // CompilationEnum is used for the compilation of TestClass. |
| @NeverClassInline |
| public enum CompilationEnum { |
| A, |
| B, |
| C, |
| D |
| } |
| |
| // CompilationEnum is used for the runtime execution of TestClass. |
| @NeverClassInline |
| public enum RuntimeEnum { |
| A, |
| D |
| } |
| |
| static class TestClass { |
| |
| public static void main(String[] args) { |
| System.out.println(CompilationEnum.A.ordinal()); |
| System.out.println(0); |
| // The field C will be missing at runtime. |
| System.out.println(CompilationEnum.C.ordinal()); |
| System.out.println(2); |
| } |
| } |
| } |