From 88eea092fb2de66a9c547464fef118231b673f12 Mon Sep 17 00:00:00 2001 From: Konstantin Shefov Date: Tue, 19 Feb 2013 17:26:40 +0400 Subject: [PATCH] 8008379: TEST_BUG: Fail automatically with java.lang.NullPointerException Reviewed-by: serb, anthony --- .../ModalDialogMultiscreenTest.java | 441 ++++++++++++++++++ 1 file changed, 441 insertions(+) create mode 100644 jdk/test/java/awt/Modal/ModalDialogMultiscreenTest/ModalDialogMultiscreenTest.java diff --git a/jdk/test/java/awt/Modal/ModalDialogMultiscreenTest/ModalDialogMultiscreenTest.java b/jdk/test/java/awt/Modal/ModalDialogMultiscreenTest/ModalDialogMultiscreenTest.java new file mode 100644 index 00000000000..156bfe5df0e --- /dev/null +++ b/jdk/test/java/awt/Modal/ModalDialogMultiscreenTest/ModalDialogMultiscreenTest.java @@ -0,0 +1,441 @@ +/* + * Copyright (c) 2013, Oracle and/or its affiliates. All rights reserved. + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. + * + * This code is free software; you can redistribute it and/or modify it + * 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). + * + * You should have received a copy of the GNU General Public License version + * 2 along with this work; if not, write to the Free Software Foundation, + * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. + * + * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA + * or visit www.oracle.com if you need additional information or have any + * questions. + */ + +/* + @test + @bug 6430802 8008379 + @summary WM should not hang after show()/close() + @author anthony.petrov@sun.com: area=awt.modal + @run main/manual ModalDialogMultiscreenTest +*/ + + +/** + * ModalDialogMultiscreenTest.java + * + * summary: Tests whether a WM will hang on show()/close() a modal dialog in multiscreen mode + */ + +import java.awt.*; +import java.awt.event.*; +import javax.swing.*; + + +public class ModalDialogMultiscreenTest +{ + + private static class ButtonActionListener implements ActionListener { + JFrame frame; + JDialog dialog; + public ButtonActionListener(JFrame frame, JDialog dialog) { + this.frame = frame; + this.dialog = dialog; + } + public void actionPerformed(ActionEvent e) { + dialog.setLocationRelativeTo(frame); + dialog.setVisible(true); + } + } + public static class TestDialog extends JDialog { + public TestDialog(Frame owner, String title, boolean modal, GraphicsConfiguration gc) { + super(owner, title, modal, gc); + setSize(200, 100); + JButton button = new JButton("Close"); + button.addActionListener(new ActionListener() { + public void actionPerformed(ActionEvent e) { + dispose(); + } + }); + getContentPane().add(button); + } + } + + private static void init() + { + GraphicsEnvironment ge = GraphicsEnvironment.getLocalGraphicsEnvironment(); + GraphicsDevice[] gs = ge.getScreenDevices(); + + Sysout.createDialog( ); + + if (gs.length < 2) { + System.out.println("Not multi-head environment, test not valid!"); + ModalDialogMultiscreenTest.pass( ); + } + + String[] instructions = + { + "The test should be run on a multi-head X (non-xinerama) systems.", + "Otherwise click the Pass button right now.", + "You will see an open Frame on each screen your system has.", + "The frame has an 'Open dialog' button.", + "Clicking the button opens a modal dialog with a Close button.", + "The test procedure:", + "1. Open a dialog and close it with appropriate buttons.", + "2. Switch to another screen ($ DISPLAY=X.Y xprop)", + "3. Repeat steps 1-2 several times (about 3*)", + "If the test doesn't cause the window manager to hang, it's passed." + }; + Sysout.printInstructions( instructions ); + + + for (int i = 0; i < gs.length; i++) { + JFrame frame = new JFrame("Frame "+i,gs[i].getDefaultConfiguration()); + JButton button = new JButton("Open Dialog"); + button.setMinimumSize(new Dimension(200, 100)); + button.setPreferredSize(new Dimension(200, 100)); + button.setSize(new Dimension(200, 100)); + button.addActionListener(new ButtonActionListener(frame, new TestDialog(frame, "Dialog #"+i, true, gs[i].getDefaultConfiguration()))); + frame.getContentPane().add(button); + frame.pack(); + frame.setVisible(true); + } + + }//End init() + + + //ap203012: NO MORE CHANGES BELOW THIS LINE + + + + /***************************************************** + * Standard Test Machinery Section + * DO NOT modify anything in this section -- it's a + * standard chunk of code which has all of the + * synchronisation necessary for the test harness. + * By keeping it the same in all tests, it is easier + * to read and understand someone else's test, as + * well as insuring that all tests behave correctly + * with the test harness. + * There is a section following this for test-defined + * classes + ******************************************************/ + private static boolean theTestPassed = false; + private static boolean testGeneratedInterrupt = false; + private static String failureMessage = ""; + + private static Thread mainThread = null; + + private static int sleepTime = 300000; + + public static void main( String args[] ) throws InterruptedException + { + mainThread = Thread.currentThread(); + try + { + init(); + } + catch( TestPassedException e ) + { + //The test passed, so just return from main and harness will + // interepret this return as a pass + return; + } + //At this point, neither test passed nor test failed has been + // called -- either would have thrown an exception and ended the + // test, so we know we have multiple threads. + + //Test involves other threads, so sleep and wait for them to + // called pass() or fail() + try + { + Thread.sleep( sleepTime ); + //Timed out, so fail the test + throw new RuntimeException( "Timed out after " + sleepTime/1000 + " seconds" ); + } + catch (InterruptedException e) + { + if( ! testGeneratedInterrupt ) throw e; + + //reset flag in case hit this code more than once for some reason (just safety) + testGeneratedInterrupt = false; + if ( theTestPassed == false ) + { + throw new RuntimeException( failureMessage ); + } + } + + }//main + + public static synchronized void setTimeoutTo( int seconds ) + { + sleepTime = seconds * 1000; + } + + public static synchronized void pass() + { + Sysout.println( "The test passed." ); + Sysout.println( "The test is over, hit Ctl-C to stop Java VM" ); + //first check if this is executing in main thread + if ( mainThread == Thread.currentThread() ) + { + //Still in the main thread, so set the flag just for kicks, + // and throw a test passed exception which will be caught + // and end the test. + theTestPassed = true; + throw new TestPassedException(); + } + //pass was called from a different thread, so set the flag and interrupt + // the main thead. + theTestPassed = true; + testGeneratedInterrupt = true; + mainThread.interrupt(); + }//pass() + + public static synchronized void fail() + { + //test writer didn't specify why test failed, so give generic + fail( "it just plain failed! :-)" ); + } + + public static synchronized void fail( String whyFailed ) + { + Sysout.println( "The test failed: " + whyFailed ); + Sysout.println( "The test is over, hit Ctl-C to stop Java VM" ); + //check if this called from main thread + if ( mainThread == Thread.currentThread() ) + { + //If main thread, fail now 'cause not sleeping + throw new RuntimeException( whyFailed ); + } + theTestPassed = false; + testGeneratedInterrupt = true; + failureMessage = whyFailed; + mainThread.interrupt(); + }//fail() + +}// class ModalDialogMultiscreenTest + +//This exception is used to exit from any level of call nesting +// when it's determined that the test has passed, and immediately +// end the test. +class TestPassedException extends RuntimeException +{ +} + +//*********** End Standard Test Machinery Section ********** + + +//************ Begin classes defined for the test **************** + +// make listeners in a class defined here, and instantiate them in init() + +/* Example of a class which may be written as part of a test +class NewClass implements anInterface + { + static int newVar = 0; + + public void eventDispatched(AWTEvent e) + { + //Counting events to see if we get enough + eventCount++; + + if( eventCount == 20 ) + { + //got enough events, so pass + + ModalDialogMultiscreenTest.pass(); + } + else if( tries == 20 ) + { + //tried too many times without getting enough events so fail + + ModalDialogMultiscreenTest.fail(); + } + + }// eventDispatched() + + }// NewClass class + +*/ + + +//************** End classes defined for the test ******************* + + + + +/**************************************************** + Standard Test Machinery + DO NOT modify anything below -- it's a standard + chunk of code whose purpose is to make user + interaction uniform, and thereby make it simpler + to read and understand someone else's test. + ****************************************************/ + +/** + This is part of the standard test machinery. + It creates a dialog (with the instructions), and is the interface + for sending text messages to the user. + To print the instructions, send an array of strings to Sysout.createDialog + WithInstructions method. Put one line of instructions per array entry. + To display a message for the tester to see, simply call Sysout.println + with the string to be displayed. + This mimics System.out.println but works within the test harness as well + as standalone. + */ + +class Sysout +{ + private static TestDialog dialog; + + public static void createDialogWithInstructions( String[] instructions ) + { + dialog = new TestDialog( new Frame(), "Instructions" ); + dialog.printInstructions( instructions ); + dialog.setVisible(true); + println( "Any messages for the tester will display here." ); + } + + public static void createDialog( ) + { + dialog = new TestDialog( new Frame(), "Instructions" ); + String[] defInstr = { "Instructions will appear here. ", "" } ; + dialog.printInstructions( defInstr ); + dialog.setVisible(true); + println( "Any messages for the tester will display here." ); + } + + + public static void printInstructions( String[] instructions ) + { + dialog.printInstructions( instructions ); + } + + + public static void println( String messageIn ) + { + dialog.displayMessage( messageIn ); + } + +}// Sysout class + +/** + This is part of the standard test machinery. It provides a place for the + test instructions to be displayed, and a place for interactive messages + to the user to be displayed. + To have the test instructions displayed, see Sysout. + To have a message to the user be displayed, see Sysout. + Do not call anything in this dialog directly. + */ +class TestDialog extends Dialog implements ActionListener +{ + + TextArea instructionsText; + TextArea messageText; + int maxStringLength = 80; + Panel buttonP = new Panel(); + Button passB = new Button( "pass" ); + Button failB = new Button( "fail" ); + + //DO NOT call this directly, go through Sysout + public TestDialog( Frame frame, String name ) + { + super( frame, name ); + int scrollBoth = TextArea.SCROLLBARS_BOTH; + instructionsText = new TextArea( "", 15, maxStringLength, scrollBoth ); + add( "North", instructionsText ); + + messageText = new TextArea( "", 5, maxStringLength, scrollBoth ); + add("Center", messageText); + + passB = new Button( "pass" ); + passB.setActionCommand( "pass" ); + passB.addActionListener( this ); + buttonP.add( "East", passB ); + + failB = new Button( "fail" ); + failB.setActionCommand( "fail" ); + failB.addActionListener( this ); + buttonP.add( "West", failB ); + + add( "South", buttonP ); + pack(); + + setVisible(true); + }// TestDialog() + + //DO NOT call this directly, go through Sysout + public void printInstructions( String[] instructions ) + { + //Clear out any current instructions + instructionsText.setText( "" ); + + //Go down array of instruction strings + + String printStr, remainingStr; + for( int i=0; i < instructions.length; i++ ) + { + //chop up each into pieces maxSringLength long + remainingStr = instructions[ i ]; + while( remainingStr.length() > 0 ) + { + //if longer than max then chop off first max chars to print + if( remainingStr.length() >= maxStringLength ) + { + //Try to chop on a word boundary + int posOfSpace = remainingStr. + lastIndexOf( ' ', maxStringLength - 1 ); + + if( posOfSpace <= 0 ) posOfSpace = maxStringLength - 1; + + printStr = remainingStr.substring( 0, posOfSpace + 1 ); + remainingStr = remainingStr.substring( posOfSpace + 1 ); + } + //else just print + else + { + printStr = remainingStr; + remainingStr = ""; + } + + instructionsText.append( printStr + "\n" ); + + }// while + + }// for + + }//printInstructions() + + //DO NOT call this directly, go through Sysout + public void displayMessage( String messageIn ) + { + messageText.append( messageIn + "\n" ); + System.out.println(messageIn); + } + + //catch presses of the passed and failed buttons. + //simply call the standard pass() or fail() static methods of + //ModalDialogMultiscreenTest + public void actionPerformed( ActionEvent e ) + { + if( e.getActionCommand() == "pass" ) + { + ModalDialogMultiscreenTest.pass(); + } + else + { + ModalDialogMultiscreenTest.fail(); + } + } + +}// TestDialog class