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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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 * 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).
 *
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 * 2 along with this work; if not, write to the Free Software Foundation,
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import javax.swing.JFormattedTextField;
import javax.swing.SwingUtilities;
import javax.swing.text.MaskFormatter;
import java.text.ParseException;

/*
 * @test
 * @bug 4739057
 * @summary replaceSelection() method fails on JFormattedTextField
 */

public class bug4739057 {

    public static void main(String[] args) throws Exception {
        SwingUtilities.invokeAndWait(() -> {
            MaskFormatter formatter;
            try {
                formatter = new MaskFormatter("(###) ###-####");
            } catch (ParseException e) {
                throw new RuntimeException(e);
            }
            formatter.setPlaceholderCharacter('#');
            JFormattedTextField textField = new JFormattedTextField(formatter);
            textField.replaceSelection("12345");
            if (!textField.getText().equals("(123) 45#-####")) {
                throw new RuntimeException("Test Failed! replaceSelection() didn't replace text properly");
            }
        });
    }
}