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