1 /* 2 * Copyright (c) 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 /* 25 * @test 26 * @bug 4463345 27 * @summary Simple test of System.clearProperty 28 * @run main/othervm ClearProperty 29 */ 30 31 public class ClearProperty { 32 public static void main(String [] argv) throws Exception { 33 clearTest(); 34 paramTest(); 35 } 36 37 static void clearTest() throws Exception { 38 System.setProperty("blah", "blech"); 39 if (!System.getProperty("blah").equals("blech")) 40 throw new RuntimeException("Clear test failed 1"); 41 System.clearProperty("blah"); 42 if (System.getProperty("blah") != null) 43 throw new RuntimeException("Clear test failed 2"); 44 } 45 46 static void paramTest() throws Exception { 47 try { 48 System.clearProperty(null); 49 throw new RuntimeException("Param test failed"); 50 } catch (NullPointerException npe) { 51 // Correct result 52 } 53 try { 54 System.clearProperty(""); 55 throw new RuntimeException("Param test failed"); 56 } catch (IllegalArgumentException iae) { 57 // Correct result 58 } 59 } 60 }