105 lines
3.5 KiB
Java
105 lines
3.5 KiB
Java
/*
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* Copyright (c) 1998, 2024, 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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/*
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* @test
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* @bug 4024943
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* @summary Test for position of List scrollbar when it is added
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* @library /java/awt/regtesthelpers
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* @build PassFailJFrame
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* @run main/manual ScrollbarPositionTest
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*/
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import java.awt.Button;
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import java.awt.Frame;
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import java.awt.GridLayout;
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import java.awt.List;
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import java.awt.Panel;
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import java.awt.event.ActionEvent;
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import java.awt.event.ActionListener;
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public class ScrollbarPositionTest {
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static int item = 0;
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static List list;
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static Button addButton, delButton;
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private static final String INSTRUCTIONS = """
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Click on the "Add List Item" button many times
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until the vertical scrollbar appears.
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Verify that the displayed vertical scrollbar does not take the space
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that was occupied by buttons before the scrollbar is shown.""";
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public static void main(String[] args) throws Exception {
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PassFailJFrame.builder()
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.title("ScrollbarPositionTest Instructions")
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.instructions(INSTRUCTIONS)
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.rows((int) INSTRUCTIONS.lines().count() + 2)
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.columns(35)
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.testUI(ScrollbarPositionTest::createTestUI)
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.build()
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.awaitAndCheck();
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}
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private static Frame createTestUI() {
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Panel pan;
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Frame frame = new Frame("ScrollbarPositionTest Frame");
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frame.setLayout(new GridLayout(1, 2));
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list = new List();
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frame.add(list);
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frame.add(pan = new Panel());
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pan.setLayout(new GridLayout(4, 1));
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MyListener listener = new MyListener();
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addButton = new Button("Add List Item");
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addButton.addActionListener(listener);
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pan.add(addButton);
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delButton = new Button("Delete List Item");
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delButton.addActionListener(listener);
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pan.add(delButton);
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frame.pack();
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return frame;
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}
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static class MyListener implements ActionListener {
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public void actionPerformed(ActionEvent evt) {
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if (evt.getSource() == addButton) {
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String s = "item";
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for (int i = 0; i <= item; i++) {
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s = s +" "+Integer.toString(i);
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}
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item++;
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list.addItem(s);
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} else if (evt.getSource() == delButton) {
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int i;
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if ((i = list.countItems()) > 0) {
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list.delItem(i - 1);
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--item;
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}
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}
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}
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}
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}
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