Quelle Test8221244.java Sprache: JAVA

/*
* Copyright (c) 2019, 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 8221244
* @summary Unexpected behavior of PropertyDescription.getReadMethod for boolean properties
*/

import java.beans.PropertyDescriptor;

public class Test8221244 {

    public static void main(String[] args) {
        test("bv", "isBv"); // boolean value
        test("bo", "getBo"); // Boolean object
        test("io", "getIo"); // Integer object
    }

    private static void test(String propertyName, String expectedGetterName) {
        PropertyDescriptor pd = BeanUtils.getPropertyDescriptor(TestBean.class, propertyName);
        String getterName = pd.getReadMethod().getName();
        if (!getterName.equals(expectedGetterName)) {
            throw new Error("unexpected getter: " + getterName);
        }
    }
}

/*
* Bean class with multiple properties (each property has "is"/"get" getters)
*
* For boolean properties, the "is" getter should be used
*/
class TestBean {

    // boolean value
    private boolean bv;

    public boolean isBv() {
        return bv;
    }

    public boolean getBv() {
        return bv;
    }

    // Boolean object
    private Boolean bo;
    public Boolean isBo() {
        return bo;
    }
    public Boolean getBo() {
        return bo;
    }

    // Integer object
    private Integer io;
    public Integer isIo() {
        return io;
    }
    public Integer getIo() {
        return io;
    }
}

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