TestBeanInfo.java revision 9330:8b1f1c2a400f 
1/**
2 * Copyright (c) 2010, 2012, 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 6380849
27 * @summary Tests BeanInfo finder
28 * @author Sergey Malenkov
29 */
30
31import beans.FirstBean;
32import beans.FirstBeanBeanInfo;
33import beans.SecondBean;
34import beans.ThirdBean;
35
36import infos.SecondBeanBeanInfo;
37import infos.ThirdBeanBeanInfo;
38
39import java.beans.BeanInfo;
40import java.beans.Introspector;
41import java.lang.reflect.Method;
42
43public class TestBeanInfo implements Runnable {
44
45    private static final String[] SEARCH_PATH = { "infos" }; // NON-NLS: package name
46
47    public static void main(String[] args) throws InterruptedException {
48        TestBeanInfo test = new TestBeanInfo();
49        test.run();
50        // the following tests fails on previous build
51        ThreadGroup group = new ThreadGroup("$$$"); // NON-NLS: unique thread name
52        Thread thread = new Thread(group, test);
53        thread.start();
54        thread.join();
55    }
56
57    private static void test(Class<?> type, Class<? extends BeanInfo> expected) {
58        BeanInfo actual;
59        try {
60            actual = Introspector.getBeanInfo(type);
61            type = actual.getClass();
62            Method method = type.getDeclaredMethod("getTargetBeanInfo"); // NON-NLS: method name
63            method.setAccessible(true);
64            actual = (BeanInfo) method.invoke(actual);
65        }
66        catch (Exception exception) {
67            throw new Error("unexpected error", exception);
68        }
69        if ((actual == null) && (expected != null)) {
70            throw new Error("expected info is not found");
71        }
72        if ((actual != null) && !actual.getClass().equals(expected)) {
73            throw new Error("found unexpected info");
74        }
75    }
76
77    private boolean passed;
78
79    public void run() {
80        Introspector.flushCaches();
81
82        test(FirstBean.class, FirstBeanBeanInfo.class);
83        test(SecondBean.class, null);
84        test(ThirdBean.class, null);
85        test(ThirdBeanBeanInfo.class, ThirdBeanBeanInfo.class);
86
87        Introspector.setBeanInfoSearchPath(SEARCH_PATH);
88        Introspector.flushCaches();
89
90        test(FirstBean.class, FirstBeanBeanInfo.class);
91        test(SecondBean.class, SecondBeanBeanInfo.class);
92        test(ThirdBean.class, null);
93        test(ThirdBeanBeanInfo.class, ThirdBeanBeanInfo.class);
94    }
95}
96