| // 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 static org.objectweb.asm.Opcodes.ACC_PRIVATE; |
| import static org.objectweb.asm.Opcodes.ACC_STATIC; |
| |
| import com.android.tools.r8.NeverClassInline; |
| import com.android.tools.r8.NeverInline; |
| import com.android.tools.r8.TestParameters; |
| import com.android.tools.r8.transformers.ClassTransformer; |
| import java.util.List; |
| import org.junit.Test; |
| import org.junit.runner.RunWith; |
| import org.junit.runners.Parameterized; |
| import org.junit.runners.Parameterized.Parameters; |
| import org.objectweb.asm.MethodVisitor; |
| |
| @RunWith(Parameterized.class) |
| public class VirtualMethodsAccessibilityErrorEnumUnboxingTest 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 VirtualMethodsAccessibilityErrorEnumUnboxingTest( |
| TestParameters parameters, boolean enumValueOptimization, EnumKeepRules enumKeepRules) { |
| this.parameters = parameters; |
| this.enumValueOptimization = enumValueOptimization; |
| this.enumKeepRules = enumKeepRules; |
| } |
| |
| @Test |
| public void testEnumUnboxing() throws Exception { |
| byte[] testClassData = |
| transformer(TestClass.class) |
| .addClassTransformer( |
| new ClassTransformer() { |
| @Override |
| public MethodVisitor visitMethod( |
| int access, |
| String name, |
| String descriptor, |
| String signature, |
| String[] exceptions) { |
| if (name.equals("privateMethod")) { |
| return super.visitMethod( |
| ACC_STATIC | ACC_PRIVATE, name, descriptor, signature, exceptions); |
| } else { |
| return super.visitMethod(access, name, descriptor, signature, exceptions); |
| } |
| } |
| }) |
| .transform(); |
| testForR8(parameters.getBackend()) |
| .addDontObfuscate() |
| .addProgramClasses(MyEnum.class) |
| .addProgramClassFileData(testClassData) |
| .addKeepMainRule(TestClass.class) |
| .addKeepRules(enumKeepRules.getKeepRules()) |
| .enableNeverClassInliningAnnotations() |
| .enableInliningAnnotations() |
| .addOptionsModification(opt -> enableEnumOptions(opt, enumValueOptimization)) |
| .setMinApi(parameters) |
| .compile() |
| .run(parameters.getRuntime(), TestClass.class) |
| .assertFailureWithErrorThatMatches(containsString("java.lang.IllegalAccessError")); |
| } |
| |
| public static class TestClass { |
| // The method privateMethod will be transformed into a private method. |
| @NeverInline |
| protected static int privateMethod() { |
| return System.currentTimeMillis() > 0 ? 4 : 3; |
| } |
| |
| public static void main(String[] args) { |
| System.out.println(MyEnum.A.ordinal()); |
| MyEnum.print(); |
| } |
| } |
| |
| @NeverClassInline |
| enum MyEnum { |
| A, |
| B; |
| |
| @NeverInline |
| static void print() { |
| // This should raise an accessibility error, weither the enum is unboxed or not. |
| System.out.println(TestClass.privateMethod()); |
| } |
| } |
| } |