70 lines
2.6 KiB
Java
70 lines
2.6 KiB
Java
/*
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* Copyright (c) 2003, 2023, Oracle and/or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*/
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import javax.swing.JScrollBar;
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import javax.swing.SwingUtilities;
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import java.awt.Dimension;
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import java.awt.event.MouseEvent;
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import java.util.Date;
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/*
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* @test
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* @bug 4842792
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* @summary JScrollBar behaves incorrectly if "Block increment" value is big enough
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* @run main bug4842792
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*/
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public class bug4842792 {
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public static TestScrollBar scrollBar;
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public static void main(String[] args) throws Exception {
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SwingUtilities.invokeAndWait(() -> {
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scrollBar = new TestScrollBar(JScrollBar.HORIZONTAL, 10, 10, 0, 100);
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scrollBar.setPreferredSize(new Dimension(200, 20));
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scrollBar.setBlockIncrement(Integer.MAX_VALUE);
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if (scrollBar.doTest() == 0) {
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throw new RuntimeException("The scrollbar new value should not be 0");
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}
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});
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System.out.println("Test Passed!");
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}
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static class TestScrollBar extends JScrollBar {
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public TestScrollBar(int orientation, int value, int extent,
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int min, int max) {
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super(orientation, value, extent, min, max);
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}
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public int doTest() {
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MouseEvent mouseEvent = new MouseEvent(scrollBar,
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MouseEvent.MOUSE_PRESSED,
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(new Date()).getTime(),
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MouseEvent.BUTTON1_DOWN_MASK,
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150, 10, 1, true);
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processMouseEvent(mouseEvent);
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return scrollBar.getValue();
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}
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}
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}
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