1 /*
   2  * Copyright (c) 2014, Oracle and/or its affiliates. All rights reserved.
   3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   4  *
   5  * This code is free software; you can redistribute it and/or modify it
   6  * under the terms of the GNU General Public License version 2 only, as
   7  * published by the Free Software Foundation.
   8  *
   9  * This code is distributed in the hope that it will be useful, but WITHOUT
  10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  12  * version 2 for more details (a copy is included in the LICENSE file that
  13  * accompanied this code).
  14  *
  15  * You should have received a copy of the GNU General Public License version
  16  * 2 along with this work; if not, write to the Free Software Foundation,
  17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  18  *
  19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  20  * or visit www.oracle.com if you need additional information or have any
  21  * questions.
  22  */
  23 /*
  24 @test
  25 @bug 6236247
  26 @summary Test that setting of always-on-top flags before showing window works
  27 @author dom@sparc.spb.su: area=awt.toplevel
  28 @run main TestAlwaysOnTopBeforeShow
  29 */
  30 
  31 /**
  32  * TestAlwaysOnTopBeforeShow.java
  33  *
  34  * summary:  Test that always-on-top works in the following situations:
  35  * - when set on a window before showing
  36  * - when set on a child dialog
  37  * - that it doesn't generate focus event when set on an invisible window
  38  */
  39 
  40 import java.awt.*;
  41 import java.awt.event.*;
  42 import java.util.concurrent.atomic.AtomicBoolean;
  43 import sun.awt.SunToolkit;
  44 
  45 
  46 //*** global search and replace TestAlwaysOnTopBeforeShow with name of the test ***
  47 
  48 public class TestAlwaysOnTopBeforeShow
  49 {
  50 
  51     //*** test-writer defined static variables go here ***
  52 
  53     private static AtomicBoolean focused = new AtomicBoolean();
  54     private static AtomicBoolean pressed = new AtomicBoolean();
  55     private static volatile Object pressedTarget;
  56     private static void init()
  57     {
  58         //*** Create instructions for the user here ***
  59 
  60         Toolkit.getDefaultToolkit().addAWTEventListener(new AWTEventListener() {
  61                 public void eventDispatched(AWTEvent e) {
  62                     if (e.getID() == MouseEvent.MOUSE_PRESSED) {
  63                         synchronized(pressed) {
  64                             pressed.set(true);
  65                             pressedTarget = e.getSource();
  66                             pressed.notifyAll();
  67                         }
  68                     }
  69                 }
  70             }, AWTEvent.MOUSE_EVENT_MASK);
  71 
  72         Frame f = new Frame("always-on-top");
  73         f.setBounds(0, 0, 200, 200);
  74         f.addFocusListener(new FocusAdapter() {
  75                 public void focusGained(FocusEvent e) {
  76                     synchronized(focused) {
  77                         focused.set(true);
  78                         focused.notifyAll();
  79                     }
  80                 }
  81             });
  82 
  83         f.setAlwaysOnTop(true);
  84 
  85         waitForIdle(1000);
  86         if (focused.get()) {
  87             throw new RuntimeException("Always-on-top generated focus event");
  88         }
  89 
  90         f.setVisible(true);
  91 
  92         waitFocused(f, focused);
  93         focused.set(false);
  94 
  95         Frame f2 = new Frame("auxilary");
  96         f2.setBounds(100, 0, 200, 100);
  97         f2.setVisible(true);
  98         f2.toFront();
  99         waitForIdle(1000);
 100 
 101         Point location = f.getLocationOnScreen();
 102         Dimension size = f.getSize();
 103         checkOnTop(f, f2, location.x + size.width / 2, location.y + size.height / 2);
 104 
 105         Dialog d = new Dialog(f, "Always-on-top");
 106         d.pack();
 107         d.setBounds(0, 0, 100, 100);
 108 
 109         waitForIdle(1000);
 110         checkOnTop(f, f2, location.x + size.width / 2, location.y + size.height / 2);
 111         waitForIdle(1000);
 112 
 113         focused.set(false);
 114         f.setVisible(false);
 115         f.setAlwaysOnTop(false);
 116         waitForIdle(1000);
 117         if (focused.get()) {
 118             throw new RuntimeException("Always-on-top generated focus event");
 119         }
 120 
 121         TestAlwaysOnTopBeforeShow.pass();
 122 
 123     }//End  init()
 124 
 125     private static void waitForIdle(int mls) {
 126         ((SunToolkit)Toolkit.getDefaultToolkit()).realSync();
 127         try {
 128             Thread.sleep(mls);
 129         } catch (InterruptedException e) {
 130             e.printStackTrace();
 131         }
 132     }
 133 
 134     static void waitFocused(Window w, AtomicBoolean b) {
 135         try {
 136             synchronized(b) {
 137                 if (w.isFocusOwner()) {
 138                     return;
 139                 }
 140                 b.wait(3000);
 141             }
 142         } catch (Exception e) {
 143             throw new RuntimeException(e);
 144         }
 145         if (!w.isFocusOwner()) {
 146             throw new RuntimeException("Can't make " + w + " focus owner");
 147         }
 148     }
 149 
 150     static void checkOnTop(Window ontop, Window under, int x, int y) {
 151         under.toFront();
 152         try {
 153             Robot robot = new Robot();
 154             robot.mouseMove(x, y);
 155             robot.mousePress(InputEvent.BUTTON1_MASK);
 156             robot.mouseRelease(InputEvent.BUTTON1_MASK);
 157             synchronized(pressed) {
 158                 if (pressed.get()) {
 159                     if (pressedTarget != ontop) {
 160                         throw new RuntimeException("Pressed at wrong location: " + pressedTarget);
 161                     }
 162                 } else {
 163                     pressed.wait(5000);
 164                 }
 165             }
 166             if (!pressed.get() || pressedTarget != ontop) {
 167                 throw new RuntimeException("Pressed at wrong location: " + pressedTarget);
 168             }
 169         } catch (Exception e) {
 170             throw new RuntimeException(e);
 171         }
 172     }
 173 
 174     /*****************************************************
 175      * Standard Test Machinery Section
 176      * DO NOT modify anything in this section -- it's a
 177      * standard chunk of code which has all of the
 178      * synchronisation necessary for the test harness.
 179      * By keeping it the same in all tests, it is easier
 180      * to read and understand someone else's test, as
 181      * well as insuring that all tests behave correctly
 182      * with the test harness.
 183      * There is a section following this for test-
 184      * classes
 185      ******************************************************/
 186     private static boolean theTestPassed = false;
 187     private static boolean testGeneratedInterrupt = false;
 188     private static String failureMessage = "";
 189 
 190     private static Thread mainThread = null;
 191 
 192     private static int sleepTime = 300000;
 193 
 194     // Not sure about what happens if multiple of this test are
 195     //  instantiated in the same VM.  Being static (and using
 196     //  static vars), it aint gonna work.  Not worrying about
 197     //  it for now.
 198     public static void main( String args[] ) throws InterruptedException
 199     {
 200         mainThread = Thread.currentThread();
 201         try
 202         {
 203             init();
 204         }
 205         catch( TestPassedException e )
 206         {
 207             //The test passed, so just return from main and harness will
 208             // interepret this return as a pass
 209             return;
 210         }
 211         //At this point, neither test pass nor test fail has been
 212         // called -- either would have thrown an exception and ended the
 213         // test, so we know we have multiple threads.
 214 
 215         //Test involves other threads, so sleep and wait for them to
 216         // called pass() or fail()
 217         try
 218         {
 219             Thread.sleep( sleepTime );
 220             //Timed out, so fail the test
 221             throw new RuntimeException( "Timed out after " + sleepTime/1000 + " seconds" );
 222         }
 223         catch (InterruptedException e)
 224         {
 225             //The test harness may have interrupted the test.  If so, rethrow the exception
 226             // so that the harness gets it and deals with it.
 227             if( ! testGeneratedInterrupt ) throw e;
 228 
 229             //reset flag in case hit this code more than once for some reason (just safety)
 230             testGeneratedInterrupt = false;
 231 
 232             if ( theTestPassed == false )
 233             {
 234                 throw new RuntimeException( failureMessage );
 235             }
 236         }
 237 
 238     }//main
 239 
 240     public static synchronized void setTimeoutTo( int seconds )
 241     {
 242         sleepTime = seconds * 1000;
 243     }
 244 
 245     public static synchronized void pass()
 246     {
 247         Sysout.println( "The test passed." );
 248         Sysout.println( "The test is over, hit  Ctl-C to stop Java VM" );
 249         //first check if this is executing in main thread
 250         if ( mainThread == Thread.currentThread() )
 251         {
 252             //Still in the main thread, so set the flag just for kicks,
 253             // and throw a test passed exception which will be caught
 254             // and end the test.
 255             theTestPassed = true;
 256             throw new TestPassedException();
 257         }
 258         theTestPassed = true;
 259         testGeneratedInterrupt = true;
 260         mainThread.interrupt();
 261     }//pass()
 262 
 263     public static synchronized void fail()
 264     {
 265         //test writer didn't specify why test failed, so give generic
 266         fail( "it just plain failed! :-)" );
 267     }
 268 
 269     public static synchronized void fail( String whyFailed )
 270     {
 271         Sysout.println( "The test failed: " + whyFailed );
 272         Sysout.println( "The test is over, hit  Ctl-C to stop Java VM" );
 273         //check if this called from main thread
 274         if ( mainThread == Thread.currentThread() )
 275         {
 276             //If main thread, fail now 'cause not sleeping
 277             throw new RuntimeException( whyFailed );
 278         }
 279         theTestPassed = false;
 280         testGeneratedInterrupt = true;
 281         failureMessage = whyFailed;
 282         mainThread.interrupt();
 283     }//fail()
 284 
 285 }// class TestAlwaysOnTopBeforeShow
 286 
 287 //This exception is used to exit from any level of call nesting
 288 // when it's determined that the test has passed, and immediately
 289 // end the test.
 290 class TestPassedException extends RuntimeException
 291 {
 292 }
 293 
 294 //*********** End Standard Test Machinery Section **********
 295 
 296 
 297 //************ Begin classes defined for the test ****************
 298 
 299 // if want to make listeners, here is the recommended place for them, then instantiate
 300 //  them in init()
 301 
 302 /* Example of a class which may be written as part of a test
 303 class NewClass implements anInterface
 304  {
 305    static int newVar = 0;
 306 
 307    public void eventDispatched(AWTEvent e)
 308     {
 309       //Counting events to see if we get enough
 310       eventCount++;
 311 
 312       if( eventCount == 20 )
 313        {
 314          //got enough events, so pass
 315 
 316          TestAlwaysOnTopBeforeShow.pass();
 317        }
 318       else if( tries == 20 )
 319        {
 320          //tried too many times without getting enough events so fail
 321 
 322          TestAlwaysOnTopBeforeShow.fail();
 323        }
 324 
 325     }// eventDispatched()
 326 
 327  }// NewClass class
 328 
 329 */
 330 
 331 
 332 //************** End classes defined for the test *******************
 333 
 334 
 335 
 336 
 337 /****************************************************
 338  Standard Test Machinery
 339  DO NOT modify anything below -- it's a standard
 340   chunk of code whose purpose is to make user
 341   interaction uniform, and thereby make it simpler
 342   to read and understand someone else's test.
 343  ****************************************************/
 344 
 345 /**
 346  This is part of the standard test machinery.
 347  It creates a dialog (with the instructions), and is the interface
 348   for sending text messages to the user.
 349  To print the instructions, send an array of strings to Sysout.createDialog
 350   WithInstructions method.  Put one line of instructions per array entry.
 351  To display a message for the tester to see, simply call Sysout.println
 352   with the string to be displayed.
 353  This mimics System.out.println but works within the test harness as well
 354   as standalone.
 355  */
 356 
 357 class Sysout
 358 {
 359     private static TestDialog dialog;
 360 
 361     public static void createDialogWithInstructions( String[] instructions )
 362     {
 363         dialog = new TestDialog( new Frame(), "Instructions" );
 364         dialog.printInstructions( instructions );
 365         dialog.setVisible(true);
 366         println( "Any messages for the tester will display here." );
 367     }
 368 
 369     public static void createDialog( )
 370     {
 371         dialog = new TestDialog( new Frame(), "Instructions" );
 372         String[] defInstr = { "Instructions will appear here. ", "" } ;
 373         dialog.printInstructions( defInstr );
 374         dialog.setVisible(true);
 375         println( "Any messages for the tester will display here." );
 376     }
 377 
 378 
 379     public static void printInstructions( String[] instructions )
 380     {
 381         dialog.printInstructions( instructions );
 382     }
 383 
 384 
 385     public static void println( String messageIn )
 386     {
 387         System.out.println(messageIn);
 388     }
 389 
 390 }// Sysout  class
 391 
 392 /**
 393   This is part of the standard test machinery.  It provides a place for the
 394    test instructions to be displayed, and a place for interactive messages
 395    to the user to be displayed.
 396   To have the test instructions displayed, see Sysout.
 397   To have a message to the user be displayed, see Sysout.
 398   Do not call anything in this dialog directly.
 399   */
 400 class TestDialog extends Dialog
 401 {
 402 
 403     TextArea instructionsText;
 404     TextArea messageText;
 405     int maxStringLength = 80;
 406 
 407     //DO NOT call this directly, go through Sysout
 408     public TestDialog( Frame frame, String name )
 409     {
 410         super( frame, name );
 411         int scrollBoth = TextArea.SCROLLBARS_BOTH;
 412         instructionsText = new TextArea( "", 15, maxStringLength, scrollBoth );
 413         add( "North", instructionsText );
 414 
 415         messageText = new TextArea( "", 5, maxStringLength, scrollBoth );
 416         add("Center", messageText);
 417 
 418         pack();
 419 
 420         setVisible(true);
 421     }// TestDialog()
 422 
 423     //DO NOT call this directly, go through Sysout
 424     public void printInstructions( String[] instructions )
 425     {
 426         //Clear out any current instructions
 427         instructionsText.setText( "" );
 428 
 429         //Go down array of instruction strings
 430 
 431         String printStr, remainingStr;
 432         for( int i=0; i < instructions.length; i++ )
 433         {
 434             //chop up each into pieces maxSringLength long
 435             remainingStr = instructions[ i ];
 436             while( remainingStr.length() > 0 )
 437             {
 438                 //if longer than max then chop off first max chars to print
 439                 if( remainingStr.length() >= maxStringLength )
 440                 {
 441                     //Try to chop on a word boundary
 442                     int posOfSpace = remainingStr.
 443                         lastIndexOf( ' ', maxStringLength - 1 );
 444 
 445                     if( posOfSpace <= 0 ) posOfSpace = maxStringLength - 1;
 446 
 447                     printStr = remainingStr.substring( 0, posOfSpace + 1 );
 448                     remainingStr = remainingStr.substring( posOfSpace + 1 );
 449                 }
 450                 //else just print
 451                 else
 452                 {
 453                     printStr = remainingStr;
 454                     remainingStr = "";
 455                 }
 456 
 457                 instructionsText.append( printStr + "\n" );
 458 
 459             }// while
 460 
 461         }// for
 462 
 463     }//printInstructions()
 464 
 465     //DO NOT call this directly, go through Sysout
 466     public void displayMessage( String messageIn )
 467     {
 468         messageText.append( messageIn + "\n" );
 469         System.out.println(messageIn);
 470     }
 471 
 472 }// TestDialog  class