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products/sources/formale Sprachen/Java/Openjdk/test/jdk/java/beans/Introspector/ (Sun/Oracle ^©) Datei vom 13.11.2022 mit Größe 3 kB

Quelle Test4168833.java Sprache: JAVA

/*
* Copyright (c) 2003, 2014, 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 4168833 8034085
* @summary Tests that Introspector does not create IndexedPropertyDescriptor
*          from non-indexed PropertyDescriptor
* @author Mark Davidson
* @author Sergey Malenkov
*/

import java.awt.Color;
import java.awt.Dimension;

import java.beans.IndexedPropertyDescriptor;
import java.beans.PropertyDescriptor;

/**
* The base class "color" property
* creates both an IndexedPropertyDescriptor which has a conflicting
* type for getColor.
*/
public class Test4168833 {
    public static void main(String[] args) throws Exception {
        // When the Sub class is introspected,
        // the property type should be color.
        // The complete "classic" set of properties
        // has been completed accross the hierarchy.
        test(Sub.class);
        test(Sub2.class);
    }

    private static void test(Class type) {
        PropertyDescriptor pd = BeanUtils.getPropertyDescriptor(type, "prop");
        if (pd instanceof IndexedPropertyDescriptor) {
            error(pd, type.getSimpleName() + ".prop should not be an indexed property");
        }
        if (!pd.getPropertyType().equals(Color.class)) {
            error(pd, type.getSimpleName() + ".prop type should be a Color");
        }
        if (null == pd.getReadMethod()) {
            error(pd, type.getSimpleName() + ".prop should have classic read method");
        }
        if (null == pd.getWriteMethod()) {
            error(pd, type.getSimpleName() + ".prop should have classic write method");
        }
    }

    private static void error(PropertyDescriptor pd, String message) {
        BeanUtils.reportPropertyDescriptor(pd);
        throw new Error(message);
    }

    public static class Base {
        public Color getProp() {
            return null;
        }

        public Dimension getProp(int i) {
            return null;
        }
    }

    public static class Sub extends Base {
        public void setProp(Color c) {
        }
    }

    public static class Base2 {
        public void setProp(Color c) {
        }

        public void setProp(int i, Dimension d) {
        }
    }

    public static class Sub2 extends Base2 {
        public Color getProp() {
            return null;
        }
    }
}

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