test/jdk/javax/swing/JFileChooser/MultiSelectionEnabledSelectedFilesTest.java

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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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 * This code is free software; you can redistribute it and/or modify it
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 *
 * This code is distributed in the hope that it will be useful, but WITHOUT
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 * 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,
 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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import java.awt.Color;
import java.io.File;
import javax.swing.JFileChooser;
import javax.swing.JFrame;
import javax.swing.JTextArea;
import javax.swing.SwingUtilities;

/*
 * @test
 * @bug 4834298
 * @key headful
 * @requires (os.family == "windows" | os.family == "linux")
 * @summary Test to check if the getSelectedFiles of JFilesChooser
 *          returns selectedFiles when Multi-Selection is enabled.
 * @run main/manual MultiSelectionEnabledSelectedFilesTest
 */
public class MultiSelectionEnabledSelectedFilesTest {
    private static JFrame frame;
    public static void main(String[] args) throws Exception {
        SwingUtilities.invokeAndWait(new Runnable() {
            public void run() {
                try {
                    runTest();
                } finally {
                    frame.dispose();
                }
            }
        });
        System.out.println("Test Pass!");
    }

    static void runTest() {
        //Initialize the components
        String INSTRUCTIONS
                = "Instructions to Test:"+
                "\n1. Select a valid file using mouse double-click on first "+
                "dialog."+
                "\n2. After Selection, first dialog will close and second " +
                "dialog opens with multi-Selection enabled."+
                "\n3. Select the same file using mouse double-click without " +
                "moving mouse position or selection."+
                "\n4. If the selected file is updated then getSelectedFiles "+
                "returns the file selected and test will PASS otherwise test "+
                "will FAIL";

        JFileChooser chooser = new JFileChooser();
        JTextArea textArea = new JTextArea();
        frame = new JFrame("Test Instructions");

        textArea.setText(INSTRUCTIONS);
        textArea.setEnabled(false);
        textArea.setDisabledTextColor(Color.black);
        textArea.setBackground(Color.white);

        frame.add(textArea);
        frame.pack();
        frame.setVisible(true);

        chooser.showOpenDialog(null);
        chooser.setMultiSelectionEnabled(true);
        chooser.showOpenDialog(null);
        File[] files = chooser.getSelectedFiles();

        if (files.length == 0) {
            throw new RuntimeException("Test Failed since selected files are empty!!");
        }
    }
}