/* test @bug 4697451 @summary Test that there is no race between focus component in inactive window and window activation @author dom@sparc.spb.su: area=awt.focus @run applet InactiveFocusRace.html */ /** * InactiveFocusRace.java * * Note: * The test tests thread race. It is designed to pass more than to fail therefor it might be * hard to reproduce the bug with this test. If you are unable to do so just run it several times. */ import java.applet.Applet; import java.awt.*; import java.awt.event.*; public class InactiveFocusRace extends Applet { //Declare things used in the test, like buttons and labels here Frame activeFrame, inactiveFrame; Button activeButton, inactiveButton1, inactiveButton2; final static int TIMEOUT = 10000; private Object lockBtn2 = new Object(); private Object lockActiveFrame = new Object(); private Object lockInactiveFrame = new Object(); private boolean btn2FocusGained; private boolean activeFrameActivated; private boolean inactiveFrameActivated; public void init() { this.setLayout (new BorderLayout ()); activeButton = new Button("active button"); inactiveButton1 = new Button("inactive button1"); inactiveButton2 = new Button("inactive button2"); activeFrame = new Frame("Active frame"); inactiveFrame = new Frame("Inactive frame"); inactiveFrame.setLayout(new FlowLayout()); activeFrame.add(activeButton); inactiveFrame.add(inactiveButton1); inactiveFrame.add(inactiveButton2); activeFrame.pack(); activeFrame.setLocation(10, 10); inactiveFrame.pack(); inactiveFrame.setLocation(10, 300); inactiveButton1.addFocusListener(new FocusAdapter() { public void focusGained(FocusEvent e) { System.err.println("Button1 got focus"); } }); inactiveButton2.addFocusListener(new FocusAdapter() { public void focusGained(FocusEvent e) { System.err.println("Button2 got focus"); btn2FocusGained = true; synchronized(lockBtn2) { lockBtn2.notifyAll(); } } }); activeFrame.addWindowListener(new WindowAdapter() { public void windowActivated(WindowEvent e) { System.err.println("activeFrame Window activated"); activeFrameActivated = true; synchronized(lockActiveFrame) { lockActiveFrame.notifyAll(); } } }); inactiveFrame.addWindowListener(new WindowAdapter() { public void windowActivated(WindowEvent e) { System.err.println("inactiveFrame Window activated"); inactiveFrameActivated = true; synchronized(lockInactiveFrame) { lockInactiveFrame.notifyAll(); } } }); }//End init() public void start () { //Get things going. Request focus, set size, et cetera setSize (200,200); setVisible(true); validate(); Robot robot = null; try { robot = new Robot(); //robot.setAutoDelay(500); } catch (Exception e) { throw new RuntimeException("Unable to create robot " + e); } inactiveFrame.setVisible(true); while(!inactiveFrameActivated) { try { lockInactiveFrame.wait(); } catch(Exception x) {} } activeFrame.setVisible(true); while(!activeFrameActivated) { try { lockActiveFrame.wait(); } catch(Exception x) {} } // press on second button in inactive frame Point loc = inactiveButton2.getLocationOnScreen(); robot.mouseMove(loc.x+5, loc.y+5); robot.mousePress(InputEvent.BUTTON1_MASK); robot.mouseRelease(InputEvent.BUTTON1_MASK); // after all second button should be focus owner. while(!btn2FocusGained) { try { lockBtn2.wait(); } catch(Exception x) {} } Toolkit.getDefaultToolkit().sync(); robot.waitForIdle(); Component focused = KeyboardFocusManager.getCurrentKeyboardFocusManager().getFocusOwner(); if (!(focused == inactiveButton2)) { throw new RuntimeException("Button2 should be the focus owner after all but focused was " + focused); } System.err.println("PASSED!"); }// start() }// class InactiveFocusRace /**************************************************** 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 { TextArea instructionsText; TextArea messageText; int maxStringLength = 80; //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); pack(); show(); }// 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); } }// TestDialog class