| /* |
| * Copyright (c) 2003, 2015, Oracle and/or its affiliates. All rights reserved. |
| * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| * |
| * This code is free software; you can redistribute it and/or modify it |
| * under the terms of the GNU General Public License version 2 only, as |
| * published by the Free Software Foundation. |
| * |
| * This code is distributed in the hope that it will be useful, but WITHOUT |
| * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| * version 2 for more details (a copy is included in the LICENSE file that |
| * accompanied this code). |
| * |
| * You should have received a copy of the GNU General Public License version |
| * 2 along with this work; if not, write to the Free Software Foundation, |
| * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| * |
| * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| * or visit www.oracle.com if you need additional information or have any |
| * questions. |
| */ |
| |
| /** |
| * @test |
| * @bug 4728816 |
| * @summary JPDA: Add support for enums |
| * @author jjh |
| * |
| * @run build TestScaffold VMConnection TargetListener TargetAdapter |
| * @run compile -g EnumTest.java |
| * @run driver EnumTest |
| */ |
| import com.sun.jdi.*; |
| import com.sun.jdi.event.*; |
| import com.sun.jdi.request.*; |
| |
| import java.util.*; |
| |
| /********** target program **********/ |
| |
| |
| enum Coin { |
| penny(1), nickel(5), dime(10), quarter(25); |
| |
| Coin(int value) { this.value = value; } |
| |
| private final int value; |
| |
| public int value() { return value; } |
| } |
| |
| class EnumTarg { |
| static Coin myCoin = Coin.penny; |
| public static void main(String[] args){ |
| System.out.println("Howdy!"); |
| System.out.println("Goodbye from EnumTarg!"); |
| } |
| } |
| |
| /********** test program **********/ |
| |
| public class EnumTest extends TestScaffold { |
| ReferenceType targetClass; |
| |
| EnumTest (String args[]) { |
| super(args); |
| } |
| |
| public static void main(String[] args) throws Exception { |
| new EnumTest(args).startTests(); |
| } |
| |
| void fail(String reason) throws Exception { |
| failure(reason); |
| } |
| |
| /********** test core **********/ |
| |
| |
| protected void runTests() throws Exception { |
| /* |
| * Get to the top of main() |
| * to determine targetClass |
| */ |
| BreakpointEvent bpe = startToMain("EnumTarg"); |
| targetClass = bpe.location().declaringType(); |
| |
| ReferenceType rt = findReferenceType("EnumTarg"); |
| Field myField = rt.fieldByName("myCoin"); |
| ObjectReference enumObject = (ObjectReference)rt.getValue(myField); |
| ClassType enumClass =(ClassType) enumObject.referenceType(); |
| ClassType superClass = enumClass.superclass(); |
| if (!superClass.name().equals("java.lang.Enum")) { |
| fail("failure: Superclass of enum class is not java.lang.Enum: " + superClass.name()); |
| } |
| if (!enumClass.isEnum()) { |
| fail("failure: isEnum() is false but should be true"); |
| } |
| if (((ClassType)rt).isEnum()) { |
| fail("failure: isEnum() is true for EnumTarg but should be false"); |
| } |
| Field enumConstant = enumClass.fieldByName("penny"); |
| if (!enumConstant.isEnumConstant()) { |
| fail("failure: The 'penny' field is not marked " + |
| "as an enum constant."); |
| } |
| |
| /* |
| * This isn't really part of the test, it just |
| * shows how to look at all the enum constants, |
| * but not necessarily in the correct order |
| */ |
| List allFields = enumClass.fields(); |
| List enumConstantFields = new ArrayList(); |
| StringBuffer enumDecl = new StringBuffer("enum " + enumClass.name() + " {"); |
| char delim = ' '; |
| |
| for (Iterator iter = allFields.iterator(); iter.hasNext(); ) { |
| Field aField = (Field)iter.next(); |
| if (aField.isEnumConstant()) { |
| enumDecl.append(' '); |
| enumDecl.append(aField.name()); |
| enumDecl.append(delim); |
| delim = ','; |
| } |
| } |
| enumDecl.append("; };"); |
| System.out.println("Enum decl is: " + enumDecl); |
| |
| listenUntilVMDisconnect(); |
| |
| /* |
| * deal with results of test |
| * if anything has called failure("foo") testFailed will be true |
| */ |
| if (!testFailed) { |
| println("EnumTest: passed"); |
| } else { |
| throw new Exception("EnumTest: failed"); |
| } |
| } |
| } |