1/*
2 * Copyright (c) 2001, 2015, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation.
8 *
9 * This code is distributed in the hope that it will be useful, but WITHOUT
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
12 * version 2 for more details (a copy is included in the LICENSE file that
13 * accompanied this code).
14 *
15 * You should have received a copy of the GNU General Public License version
16 * 2 along with this work; if not, write to the Free Software Foundation,
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
18 *
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20 * or visit www.oracle.com if you need additional information or have any
21 * questions.
22 */
23
24/**
25 *  @test
26 *  @bug 4450091
27 *  @summary Test ClassLoaderReference.visibleClasses() which is
28 *  a direct pass-through of the JVMDI function GetClassLoaderClasses
29 *  for inclusion of primitive arrays.
30 *  @author Robert Field
31 *
32 *  @run build TestScaffold VMConnection TargetListener TargetAdapter
33 *  @run compile -g ClassLoaderClassesTest.java
34 *  @run driver ClassLoaderClassesTest
35 */
36import com.sun.jdi.*;
37import com.sun.jdi.event.*;
38import com.sun.jdi.request.*;
39
40import java.util.*;
41
42    /********** target program **********/
43
44class ClassLoaderClassesTarg {
45    static int[] intArray = new int[10];
46
47    static {
48        // make sure our class loader "creates" int[] before tested
49        intArray[1] = 99;
50    }
51
52    public static void main(String[] args){
53        System.out.println("Goodbye from ClassLoaderClassesTarg!");
54    }
55}
56
57    /********** test program **********/
58
59public class ClassLoaderClassesTest extends TestScaffold {
60    ReferenceType targetClass;
61
62    ClassLoaderClassesTest (String args[]) {
63        super(args);
64    }
65
66    public static void main(String[] args)      throws Exception {
67        new ClassLoaderClassesTest(args).startTests();
68    }
69
70    /********** test assist **********/
71
72    boolean findClass(String className) throws Exception {
73        ClassLoaderReference cl = targetClass.classLoader();
74        Iterator vci = cl.visibleClasses().iterator();
75        while (vci.hasNext()) {
76            ReferenceType rt = (ReferenceType)vci.next();
77            println(rt.name() + " - " + rt.classLoader());
78            if (rt.name().equals(className)) {
79                return true;
80            }
81        }
82        return false;
83    }
84
85    /********** test core **********/
86
87    protected void runTests() throws Exception {
88        /*
89         * Get to the top of main() to determine targetClass
90         */
91        BreakpointEvent bpe = startToMain("ClassLoaderClassesTarg");
92        targetClass = bpe.location().declaringType();
93
94        if (findClass("int[]")) {
95            println("int[] found");
96        } else {
97            failure("failed - int[] not found");
98        }
99
100        // use it indirectly - throws ClassNotLoadedException on error
101        Field arrayField = targetClass.fieldByName("intArray");
102        ArrayType arrayType = (ArrayType)arrayField.type();
103        println("Type for intArray is " + arrayType);
104
105        /*
106         * resume the target until end
107         */
108        listenUntilVMDisconnect();
109
110        /*
111         * deal with results of test
112         * if anything has called failure("foo") testFailed will be true
113         */
114        if (!testFailed) {
115            println("ClassLoaderClassesTest: passed");
116        } else {
117            throw new Exception("ClassLoaderClassesTest: failed");
118        }
119    }
120}
121