/* * Copyright (c) 2000, 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 @bug 4185854 @summary Checks that constructors do not accept nulls and throw NPE @run applet ConstructorsNullTest.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 'ConstructorsNullTest.html' in the run tag. This should // be changed to the name of the test. /** * ConstructorsNullTest.java * * summary: */ import java.applet.Applet; import java.awt.*; import java.awt.image.*; import java.awt.color.*; //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 ConstructorsNullTest 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 ()); }//End init() public void start () { //Get things going. Request focus, set size, et cetera setSize (200,200); show(); ColorConvertOp gp; boolean passed = false; try { gp = new ColorConvertOp((ColorSpace)null, (RenderingHints)null); } catch (NullPointerException e) { try { gp = new ColorConvertOp((ColorSpace)null, null, null); } catch (NullPointerException e1) { try { gp = new ColorConvertOp((ICC_Profile[])null, null); } catch (NullPointerException e2) { passed = true; } } } if (!passed) { System.out.println("Test FAILED: one of constructors didn't throw NullPointerException."); throw new RuntimeException("Test FAILED: one of constructors didn't throw NullPointerException."); } System.out.println("Test PASSED: all constructors threw NullPointerException."); //What would normally go into main() will probably go here. //Use System.out.println for diagnostic messages that you want //to read after the test is done. //Use System.out.println for messages you want the tester to read. }// start() }// class ConstructorsNullTest