1 /* 2 * Copyright (c) 2000, 2018, 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 4185854 26 @summary Checks that constructors do not accept nulls and throw NPE 27 @run applet ConstructorsNullTest.html 28 */ 29 30 // Note there is no @ in front of test above. This is so that the 31 // harness will not mistake this file as a test file. It should 32 // only see the html file as a test file. (the harness runs all 33 // valid test files, so it would run this test twice if this file 34 // were valid as well as the html file.) 35 // Also, note the area= after Your Name in the author tag. Here, you 36 // should put which functional area the test falls in. See the 37 // AWT-core home page -> test areas and/or -> AWT team for a list of 38 // areas. 39 // Note also the 'ConstructorsNullTest.html' in the run tag. This should 40 // be changed to the name of the test. 41 42 43 /** 44 * ConstructorsNullTest.java 45 * 46 * summary: 47 */ 48 49 import java.applet.Applet; 50 import java.awt.*; 51 import java.awt.image.*; 52 import java.awt.color.*; 53 54 55 //Automated tests should run as applet tests if possible because they 56 // get their environments cleaned up, including AWT threads, any 57 // test created threads, and any system resources used by the test 58 // such as file descriptors. (This is normally not a problem as 59 // main tests usually run in a separate VM, however on some platforms 60 // such as the Mac, separate VMs are not possible and non-applet 61 // tests will cause problems). Also, you don't have to worry about 62 // synchronisation stuff in Applet tests they way you do in main 63 // tests... 64 65 66 public class ConstructorsNullTest extends Applet 67 { 68 //Declare things used in the test, like buttons and labels here 69 init()70 public void init() 71 { 72 //Create instructions for the user here, as well as set up 73 // the environment -- set the layout manager, add buttons, 74 // etc. 75 76 this.setLayout (new BorderLayout ()); 77 78 }//End init() 79 start()80 public void start () 81 { 82 //Get things going. Request focus, set size, et cetera 83 setSize (200,200); 84 show(); 85 86 ColorConvertOp gp; 87 boolean passed = false; 88 try { 89 gp = new ColorConvertOp((ColorSpace)null, (RenderingHints)null); 90 } catch (NullPointerException e) { 91 try { 92 gp = new ColorConvertOp((ColorSpace)null, null, null); 93 } catch (NullPointerException e1) { 94 try { 95 gp = new ColorConvertOp((ICC_Profile[])null, null); 96 } catch (NullPointerException e2) { 97 passed = true; 98 } 99 } 100 } 101 102 if (!passed) { 103 System.out.println("Test FAILED: one of constructors didn't throw NullPointerException."); 104 throw new RuntimeException("Test FAILED: one of constructors didn't throw NullPointerException."); 105 } 106 System.out.println("Test PASSED: all constructors threw NullPointerException."); 107 108 //What would normally go into main() will probably go here. 109 //Use System.out.println for diagnostic messages that you want 110 //to read after the test is done. 111 //Use System.out.println for messages you want the tester to read. 112 113 }// start() 114 115 }// class ConstructorsNullTest 116