1 /* 2 * Copyright (c) 2007, 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 /* 25 @test 26 @bug 4199506 27 @summary java.awt.print.PageFormat.setpaper(Paper paper) 28 assertion test fails by not throwing 29 NullPointerException when a null paper instance is 30 passed as argument and this is specified in the doc. 31 @author rbi: area=PageFormat 32 @run main NullPaper 33 */ 34 35 36 //*** global search and replace NullPaper with name of the test *** 37 38 /** 39 * NullPaper.java 40 * 41 * summary: java.awt.print.PageFormat.setpaper(Paper paper) 42 assertion test fails by not throwing 43 NullPointerException when a null paper instance is 44 passed as argument and this is specified in the doc. 45 46 */ 47 48 import java.awt.*; 49 import java.awt.event.*; 50 import java.awt.geom.*; 51 import java.awt.print.*; 52 53 // This test is a "main" test as applets would need Runtime permission 54 // "queuePrintJob". 55 56 public class NullPaper { 57 58 private static void init() 59 { 60 //*** Create instructions for the user here *** 61 62 String[] instructions = 63 { 64 "This test should throw a NullPointerException. ", 65 "If the NullPointerException is correctly thrown ", 66 "by the call to setPaper() then the test succeeds. ", 67 "If no exception is thrown by setPaper() or if an ", 68 "exception other than NullPointerException is thrown ", 69 "then the test fails." 70 }; 71 Sysout.createDialog( ); 72 Sysout.printInstructions( instructions ); 73 74 boolean settingNullWorked = false; 75 76 try { 77 /* Setting the paper to null should throw an exception. 78 * The bug was the exception was not being thrown. 79 */ 80 new PageFormat().setPaper(null); 81 settingNullWorked = true; 82 83 /* If the test succeeds we'll end up here, so write 84 * to standard out. 85 */ 86 } catch (NullPointerException e) { 87 pass(); 88 89 /* The test failed if we end up here because an exception 90 * other than the one we were expecting was thrown. 91 */ 92 } catch (Exception e) { 93 fail("Instead of the expected NullPointerException, '" + e + "' was thrown."); 94 } 95 96 if (settingNullWorked) { 97 fail("The expected NullPointerException was not thrown"); 98 } 99 100 }//End init() 101 102 103 /***************************************************** 104 Standard Test Machinery Section 105 DO NOT modify anything in this section -- it's a 106 standard chunk of code which has all of the 107 synchronisation necessary for the test harness. 108 By keeping it the same in all tests, it is easier 109 to read and understand someone else's test, as 110 well as insuring that all tests behave correctly 111 with the test harness. 112 There is a section following this for test-defined 113 classes 114 ******************************************************/ 115 private static boolean theTestPassed = false; 116 private static boolean testGeneratedInterrupt = false; 117 private static String failureMessage = ""; 118 119 private static Thread mainThread = null; 120 121 private static int sleepTime = 300000; 122 123 public static void main( String args[] ) throws InterruptedException 124 { 125 mainThread = Thread.currentThread(); 126 try 127 { 128 init(); 129 } 130 catch( TestPassedException e ) 131 { 132 //The test passed, so just return from main and harness will 133 // interepret this return as a pass 134 return; 135 } 136 //At this point, neither test passed nor test failed has been 137 // called -- either would have thrown an exception and ended the 138 // test, so we know we have multiple threads. 139 140 //Test involves other threads, so sleep and wait for them to 141 // called pass() or fail() 142 try 143 { 144 Thread.sleep( sleepTime ); 145 //Timed out, so fail the test 146 throw new RuntimeException( "Timed out after " + sleepTime/1000 + " seconds" ); 147 } 148 catch (InterruptedException e) 149 { 150 if( ! testGeneratedInterrupt ) throw e; 151 152 //reset flag in case hit this code more than once for some reason (just safety) 153 testGeneratedInterrupt = false; 154 if ( theTestPassed == false ) 155 { 156 throw new RuntimeException( failureMessage ); 157 } 158 } 159 160 }//main 161 162 public static synchronized void setTimeoutTo( int seconds ) 163 { 164 sleepTime = seconds * 1000; 165 } 166 167 public static synchronized void pass() 168 { 169 Sysout.println( "The test passed." ); 170 Sysout.println( "The test is over, hit Ctl-C to stop Java VM" ); 171 //first check if this is executing in main thread 172 if ( mainThread == Thread.currentThread() ) 173 { 174 //Still in the main thread, so set the flag just for kicks, 175 // and throw a test passed exception which will be caught 176 // and end the test. 177 theTestPassed = true; 178 throw new TestPassedException(); 179 } 180 //pass was called from a different thread, so set the flag and interrupt 181 // the main thead. 182 theTestPassed = true; 183 testGeneratedInterrupt = true; 184 mainThread.interrupt(); 185 }//pass() 186 187 public static synchronized void fail() 188 { 189 //test writer didn't specify why test failed, so give generic 190 fail( "it just plain failed! :-)" ); 191 } 192 193 public static synchronized void fail( String whyFailed ) 194 { 195 Sysout.println( "The test failed: " + whyFailed ); 196 Sysout.println( "The test is over, hit Ctl-C to stop Java VM" ); 197 //check if this called from main thread 198 if ( mainThread == Thread.currentThread() ) 199 { 200 //If main thread, fail now 'cause not sleeping 201 throw new RuntimeException( whyFailed ); 202 } 203 theTestPassed = false; 204 testGeneratedInterrupt = true; 205 failureMessage = whyFailed; 206 mainThread.interrupt(); 207 }//fail() 208 209 }// class NullPaper 210 211 //This exception is used to exit from any level of call nesting 212 // when it's determined that the test has passed, and immediately 213 // end the test. 214 class TestPassedException extends RuntimeException 215 { 216 } 217 218 //*********** End Standard Test Machinery Section ********** 219 220 221 //************ Begin classes defined for the test **************** 222 223 // make listeners in a class defined here, and instantiate them in init() 224 225 /* Example of a class which may be written as part of a test 226 class NewClass implements anInterface 227 { 228 static int newVar = 0; 229 230 public void eventDispatched(AWTEvent e) 231 { 232 //Counting events to see if we get enough 233 eventCount++; 234 235 if( eventCount == 20 ) 236 { 237 //got enough events, so pass 238 239 NullPaper.pass(); 240 } 241 else if( tries == 20 ) 242 { 243 //tried too many times without getting enough events so fail 244 245 NullPaper.fail(); 246 } 247 248 }// eventDispatched() 249 250 }// NewClass class 251 252 */ 253 254 255 //************** End classes defined for the test ******************* 256 257 258 259 260 /**************************************************** 261 Standard Test Machinery 262 DO NOT modify anything below -- it's a standard 263 chunk of code whose purpose is to make user 264 interaction uniform, and thereby make it simpler 265 to read and understand someone else's test. 266 ****************************************************/ 267 268 /** 269 This is part of the standard test machinery. 270 It creates a dialog (with the instructions), and is the interface 271 for sending text messages to the user. 272 To print the instructions, send an array of strings to Sysout.createDialog 273 WithInstructions method. Put one line of instructions per array entry. 274 To display a message for the tester to see, simply call Sysout.println 275 with the string to be displayed. 276 This mimics System.out.println but works within the test harness as well 277 as standalone. 278 */ 279 280 class Sysout 281 { 282 private static TestDialog dialog; 283 284 public static void createDialogWithInstructions( String[] instructions ) 285 { 286 dialog = new TestDialog( new Frame(), "Instructions" ); 287 dialog.printInstructions( instructions ); 288 dialog.show(); 289 println( "Any messages for the tester will display here." ); 290 } 291 292 public static void createDialog( ) 293 { 294 dialog = new TestDialog( new Frame(), "Instructions" ); 295 String[] defInstr = { "Instructions will appear here. ", "" } ; 296 dialog.printInstructions( defInstr ); 297 dialog.show(); 298 println( "Any messages for the tester will display here." ); 299 } 300 301 302 public static void printInstructions( String[] instructions ) 303 { 304 dialog.printInstructions( instructions ); 305 } 306 307 308 public static void println( String messageIn ) 309 { 310 dialog.displayMessage( messageIn ); 311 } 312 313 }// Sysout class 314 315 /** 316 This is part of the standard test machinery. It provides a place for the 317 test instructions to be displayed, and a place for interactive messages 318 to the user to be displayed. 319 To have the test instructions displayed, see Sysout. 320 To have a message to the user be displayed, see Sysout. 321 Do not call anything in this dialog directly. 322 */ 323 class TestDialog extends Dialog implements ActionListener 324 { 325 326 TextArea instructionsText; 327 TextArea messageText; 328 int maxStringLength = 80; 329 Panel buttonP = new Panel(); 330 Button passB = new Button( "pass" ); 331 Button failB = new Button( "fail" ); 332 333 //DO NOT call this directly, go through Sysout 334 public TestDialog( Frame frame, String name ) 335 { 336 super( frame, name ); 337 int scrollBoth = TextArea.SCROLLBARS_BOTH; 338 instructionsText = new TextArea( "", 15, maxStringLength, scrollBoth ); 339 add( "North", instructionsText ); 340 341 messageText = new TextArea( "", 5, maxStringLength, scrollBoth ); 342 add("Center", messageText); 343 344 passB = new Button( "pass" ); 345 passB.setActionCommand( "pass" ); 346 passB.addActionListener( this ); 347 buttonP.add( "East", passB ); 348 349 failB = new Button( "fail" ); 350 failB.setActionCommand( "fail" ); 351 failB.addActionListener( this ); 352 buttonP.add( "West", failB ); 353 354 add( "South", buttonP ); 355 pack(); 356 357 show(); 358 }// TestDialog() 359 360 //DO NOT call this directly, go through Sysout 361 public void printInstructions( String[] instructions ) 362 { 363 //Clear out any current instructions 364 instructionsText.setText( "" ); 365 366 //Go down array of instruction strings 367 368 String printStr, remainingStr; 369 for( int i=0; i < instructions.length; i++ ) 370 { 371 //chop up each into pieces maxSringLength long 372 remainingStr = instructions[ i ]; 373 while( remainingStr.length() > 0 ) 374 { 375 //if longer than max then chop off first max chars to print 376 if( remainingStr.length() >= maxStringLength ) 377 { 378 //Try to chop on a word boundary 379 int posOfSpace = remainingStr. 380 lastIndexOf( ' ', maxStringLength - 1 ); 381 382 if( posOfSpace <= 0 ) posOfSpace = maxStringLength - 1; 383 384 printStr = remainingStr.substring( 0, posOfSpace + 1 ); 385 remainingStr = remainingStr.substring( posOfSpace + 1 ); 386 } 387 //else just print 388 else 389 { 390 printStr = remainingStr; 391 remainingStr = ""; 392 } 393 394 instructionsText.append( printStr + "\n" ); 395 396 }// while 397 398 }// for 399 400 }//printInstructions() 401 402 //DO NOT call this directly, go through Sysout 403 public void displayMessage( String messageIn ) 404 { 405 messageText.append( messageIn + "\n" ); 406 } 407 408 //catch presses of the passed and failed buttons. 409 //simply call the standard pass() or fail() static methods of 410 //NullPaper 411 public void actionPerformed( ActionEvent e ) 412 { 413 if( e.getActionCommand() == "pass" ) 414 { 415 NullPaper.pass(); 416 } 417 else 418 { 419 NullPaper.fail(); 420 } 421 } 422 423 }// TestDialog class