/* * Copyright (c) 2007, 2018, 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 @key headful @bug 6541903 @summary Tests if the realSync() throws the IllegalThreadException while invoked on the EDT @author anthony.petrov: area=awt.toolkit @modules java.desktop/sun.awt @run main/timeout=10 RealSyncOnEDT */ /** * RealSyncOnEDT.java * * summary: Tests if the realSync() throws the IllegalThreadException while invoked on the EDT */ import java.awt.*; import java.awt.event.*; public class RealSyncOnEDT { static Exception exceptionCaught = null; private static void init() { // Try to invoke the realSync() on the EDT try { EventQueue.invokeAndWait(new Runnable() { public void run() { Frame frame = new Frame("Test frame"); frame.setSize(100, 100); frame.setVisible(true); try { ((sun.awt.SunToolkit)java.awt.Toolkit.getDefaultToolkit()).realSync(); } catch (Exception e) { exceptionCaught = e; } } }); } catch (InterruptedException e) { e.printStackTrace(); fail("Unexpected exception caught: " + e); return; } catch (java.lang.reflect.InvocationTargetException e) { e.printStackTrace(); fail("Unexpected exception caught: " + e); return; } // We expect the IllegalThreadException to be thrown. if (exceptionCaught == null) { fail("No exception was thrown by the realSync() method."); return; } else if (!exceptionCaught.getClass().getName().equals("sun.awt.SunToolkit$IllegalThreadException")) { exceptionCaught.printStackTrace(); fail("Unexpected exception caught while invoking the realSync(): " + exceptionCaught); return; } pass(); }//End init() /***************************************************** * 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- * 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; // Not sure about what happens if multiple of this test are // instantiated in the same VM. Being static (and using // static vars), it aint gonna work. Not worrying about // it for now. 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 pass nor test fail 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) { //The test harness may have interrupted the test. If so, rethrow the exception // so that the harness gets it and deals with it. 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() { System.out.println( "The test passed." ); System.out.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(); } 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 ) { System.out.println( "The test failed: " + whyFailed ); System.out.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 RealSyncOnEDT //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 { }