test/jdk/java/awt/Frame/MaximizedToIconified/MaximizedToIconified.java
author pkbalakr
Wed, 07 Mar 2018 17:05:28 +0530
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parent 47216 71c04702a3d5
permissions -rw-r--r--
8160767: [TEST_BUG] java/awt/Frame/MaximizedToIconified/MaximizedToIconified.java Reviewed-by: prr, ssadetsky
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/*
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 * Copyright (c) 2007, 2018, 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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 * @key headful
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 * @bug 4977491 8160767
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 * @summary State changes should always be reported as events
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 * @run main MaximizedToIconified
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 */
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/*
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 * MaximizedToIconified.java
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 *
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 * summary:  Invoking setExtendedState(ICONIFIED) on a maximized
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 *           frame should not combine the maximized and iconified
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 *           states in the newState of the state change event.
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 */
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import java.awt.Frame;
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import java.awt.Robot;
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import java.awt.Toolkit;
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import java.awt.event.WindowEvent;
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import java.awt.event.WindowStateListener;
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public class MaximizedToIconified
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{
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    static volatile int lastFrameState = Frame.NORMAL;
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    static volatile boolean failed = false;
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    static volatile Toolkit myKit;
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    private static Robot robot;
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    private static void checkState(Frame frame, int state) {
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        frame.setExtendedState(state);
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        robot.waitForIdle();
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        robot.delay(100);
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        System.out.println("state = " + state + "; getExtendedState() = " + frame.getExtendedState());
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        if (failed) {
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            frame.dispose();
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            throw new RuntimeException("getOldState() != previous getNewState() in WINDOW_STATE_CHANGED event.");
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        }
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        if (lastFrameState != frame.getExtendedState()) {
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            frame.dispose();
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            throw new RuntimeException("getExtendedState() != last getNewState() in WINDOW_STATE_CHANGED event.");
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        }
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        if (frame.getExtendedState() != state) {
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            frame.dispose();
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            throw new RuntimeException("getExtendedState() != " + state + " as expected.");
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        }
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    }
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    private static void examineStates(int states[]) {
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        Frame frame = new Frame("test");
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        frame.setSize(200, 200);
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        frame.setVisible(true);
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        robot.waitForIdle();
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        frame.addWindowStateListener(new WindowStateListener() {
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            public void windowStateChanged(WindowEvent e) {
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                System.out.println("last = " + lastFrameState + "; getOldState() = " + e.getOldState() +
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                        "; getNewState() = " + e.getNewState());
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                if (e.getOldState() == lastFrameState) {
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                    lastFrameState = e.getNewState();
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                } else {
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                    System.out.println("Wrong getOldState(): expected = " + lastFrameState + "; received = " +
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                            e.getOldState());
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                    failed = true;
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                }
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            }
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        });
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        for (int state : states) {
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            if (myKit.isFrameStateSupported(state)) {
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                checkState(frame, state);
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            } else {
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                System.out.println("Frame state = " + state + " is NOT supported by the native system. The state is skipped.");
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            }
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        }
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        if (frame != null) {
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            frame.dispose();
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        }
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    }
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    private static void doTest() {
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        myKit = Toolkit.getDefaultToolkit();
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        // NOTE! Compound states (like MAXIMIZED_BOTH | ICONIFIED) CANNOT be used,
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        //    because Toolkit.isFrameStateSupported() method reports these states
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        //    as not supported. And such states will simply be skipped.
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        examineStates(new int[] {Frame.MAXIMIZED_BOTH, Frame.ICONIFIED, Frame.NORMAL});
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        examineStates(new int[] {Frame.ICONIFIED, Frame.MAXIMIZED_BOTH, Frame.NORMAL});
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    }
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    public static void main( String args[] ) throws Exception
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    {
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        robot = new Robot();
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        doTest();
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    }
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}