--- /dev/null Fri Oct 24 15:55:52 2014 +++ new/test/java/awt/Frame/DisposeStressTest/DisposeStressTest.java Fri Oct 24 15:55:51 2014 @@ -0,0 +1,247 @@ +/* + * Copyright (c) 2014, 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 4051487 4145670 8062021 + @summary Tests that disposing of an empty Frame or a Frame with a MenuBar + while it is being created does not crash the VM. + @author dpm area=Threads + @run applet/timeout=7200 DisposeStressTest.html +*/ + +// Note there is no @ in front of test above. This is so that the +// harness will not mistake this file as a test file. It should +// only see the html file as a test file. (the harness runs all +// valid test files, so it would run this test twice if this file +// were valid as well as the html file.) +// Also, note the area= after Your Name in the author tag. Here, you +// should put which functional area the test falls in. See the +// AWT-core home page -> test areas and/or -> AWT team for a list of +// areas. +// Note also the 'DisposeStressTest.html' in the run tag. This should +// be changed to the name of the test. + + +/** + * DisposeStressTest.java + * + * summary: + */ + +import java.applet.Applet; +import java.awt.*; + + +//Automated tests should run as applet tests if possible because they +// get their environments cleaned up, including AWT threads, any +// test created threads, and any system resources used by the test +// such as file descriptors. (This is normally not a problem as +// main tests usually run in a separate VM, however on some platforms +// such as the Mac, separate VMs are not possible and non-applet +// tests will cause problems). Also, you don't have to worry about +// synchronisation stuff in Applet tests they way you do in main +// tests... + + +public class DisposeStressTest extends Applet + { + //Declare things used in the test, like buttons and labels here + + public void init() + { + //Create instructions for the user here, as well as set up + // the environment -- set the layout manager, add buttons, + // etc. + + this.setLayout (new BorderLayout ()); + + String[] instructions = + { + "This is an AUTOMATIC test", + "simply wait until it is done" + }; + Sysout.createDialog( ); + Sysout.printInstructions( instructions ); + + }//End init() + + public void start () + { + for (int i = 0; i < 1000; i++) { + Frame f = new Frame(); + f.setBounds(10, 10, 10, 10); + f.show(); + f.dispose(); + + Frame f2 = new Frame(); + f2.setBounds(10, 10, 100, 100); + MenuBar bar = new MenuBar(); + Menu menu = new Menu(); + menu.add(new MenuItem("foo")); + bar.add(menu); + f2.setMenuBar(bar); + f2.show(); + f2.dispose(); + } + }// start() + + }// class DisposeStressTest + + +/**************************************************** + 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.show(); + 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.show(); + 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("South", 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" ); + } + + }// TestDialog class