jdk/test/java/beans/Introspector/6380849/TestBeanInfo.java
author alanb
Thu, 01 Dec 2016 08:57:53 +0000
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permissions -rw-r--r--
8169069: Module system implementation refresh (11/2016) Reviewed-by: plevart, chegar, psandoz, mchung, alanb, dfuchs, naoto, coffeys, weijun Contributed-by: alan.bateman@oracle.com, mandy.chung@oracle.com, claes.redestad@oracle.com, mark.reinhold@oracle.com
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/**
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 * Copyright (c) 2010, 2012, 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 6380849
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 * @summary Tests BeanInfo finder
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 * @modules java.desktop/java.beans:open
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 * @author Sergey Malenkov
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 */
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import beans.FirstBean;
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import beans.FirstBeanBeanInfo;
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import beans.SecondBean;
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import beans.ThirdBean;
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import infos.SecondBeanBeanInfo;
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import infos.ThirdBeanBeanInfo;
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import java.beans.BeanInfo;
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import java.beans.Introspector;
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import java.lang.reflect.Method;
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public class TestBeanInfo implements Runnable {
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    private static final String[] SEARCH_PATH = { "infos" }; // NON-NLS: package name
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    public static void main(String[] args) throws InterruptedException {
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        TestBeanInfo test = new TestBeanInfo();
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        test.run();
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        // the following tests fails on previous build
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        ThreadGroup group = new ThreadGroup("$$$"); // NON-NLS: unique thread name
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        Thread thread = new Thread(group, test);
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        thread.start();
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        thread.join();
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    }
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    private static void test(Class<?> type, Class<? extends BeanInfo> expected) {
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        BeanInfo actual;
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        try {
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            actual = Introspector.getBeanInfo(type);
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            type = actual.getClass();
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            Method method = type.getDeclaredMethod("getTargetBeanInfo"); // NON-NLS: method name
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            method.setAccessible(true);
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            actual = (BeanInfo) method.invoke(actual);
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        }
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        catch (Exception exception) {
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            throw new Error("unexpected error", exception);
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        }
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        if ((actual == null) && (expected != null)) {
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            throw new Error("expected info is not found");
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        }
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        if ((actual != null) && !actual.getClass().equals(expected)) {
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            throw new Error("found unexpected info");
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        }
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    }
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    private boolean passed;
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    public void run() {
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        Introspector.flushCaches();
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        test(FirstBean.class, FirstBeanBeanInfo.class);
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        test(SecondBean.class, null);
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        test(ThirdBean.class, null);
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        test(ThirdBeanBeanInfo.class, ThirdBeanBeanInfo.class);
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        Introspector.setBeanInfoSearchPath(SEARCH_PATH);
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        Introspector.flushCaches();
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        test(FirstBean.class, FirstBeanBeanInfo.class);
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        test(SecondBean.class, SecondBeanBeanInfo.class);
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        test(ThirdBean.class, null);
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        test(ThirdBeanBeanInfo.class, ThirdBeanBeanInfo.class);
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    }
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}