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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.

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 *

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 * 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

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 * 2 along with this work; if not, write to the Free Software Foundation,

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/* @test

   @bug 6860438

   @summary Tests various MultiUIDefaults methods

   @author Peter Zhelezniakov

   @run main Test6860438

*/

import java.util.Enumeration;

import java.util.Map.Entry;

import java.util.Set;

import javax.swing.UIManager;

public class Test6860438

{

    static final String KEY = "Test6860438.key";

    static final String VALUE = "Test6860438.value";

    void check(Object key, Object value, boolean present, int size) {

        check(UIManager.get(key) == value, "UIManager.get()");

        check(UIManager.getDefaults().size() == size, "MultiUIDefaults.size()");

        checkEnumeration(UIManager.getDefaults().keys(),

                key, present, "MultiUIDefaults.keys()");

        checkEnumeration(UIManager.getDefaults().elements(),

                value, present, "MultiUIDefaults.elements()");

        // check MultiUIDefaults.entrySet()

        boolean found = false;

        Set<Entry<Object, Object>> entries = UIManager.getDefaults().entrySet();

        for (Entry<Object, Object> e: entries) {

            if (e.getKey() == key) {

                check(e.getValue() == value, "MultiUIDefaults.entrySet()");

                found = true;

            }

        }

        check(found == present, "MultiUIDefaults.entrySet()");

    }

    void checkEnumeration(Enumeration<Object> e, Object elem,

            boolean present, String error) {

        boolean found = false;

        while (e.hasMoreElements()) {

            if (e.nextElement() == elem) {

                found = true;

            }

        }

        check(found == present, error);

    }

    void check(boolean condition, String methodName) {

        if (! condition) {

            throw new RuntimeException(methodName + " failed");

        }

    }

    void test() {

        int size = UIManager.getDefaults().size();

        // create a new value, size increases

        UIManager.getLookAndFeelDefaults().put(KEY, VALUE);

        check(KEY, VALUE, true, size + 1);

        // override the value, size remains the same

        UIManager.put(KEY, VALUE);

        check(KEY, VALUE, true, size + 1);

        // remove the value, size decreases

        UIManager.getDefaults().remove(KEY);

        check(KEY, null, false, size);

    }

    public static void main(String[] args) {

        new Test6860438().test();

    }

}