1 // Copyright (c) 2011, Mike Samuel 2 // All rights reserved. 3 // 4 // Redistribution and use in source and binary forms, with or without 5 // modification, are permitted provided that the following conditions 6 // are met: 7 // 8 // Redistributions of source code must retain the above copyright 9 // notice, this list of conditions and the following disclaimer. 10 // Redistributions in binary form must reproduce the above copyright 11 // notice, this list of conditions and the following disclaimer in the 12 // documentation and/or other materials provided with the distribution. 13 // Neither the name of the OWASP nor the names of its contributors may 14 // be used to endorse or promote products derived from this software 15 // without specific prior written permission. 16 // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 17 // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 18 // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS 19 // FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE 20 // COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, 21 // INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, 22 // BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 23 // LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER 24 // CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 25 // LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN 26 // ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 27 // POSSIBILITY OF SUCH DAMAGE. 28 29 package org.owasp.html; 30 31 import java.util.Random; 32 33 import junit.framework.TestCase; 34 35 /** 36 * A testcase that has a random seed. 37 * Subclasses are stochastic -- are not guaranteed to pass or fail consistently. 38 * If you see a failure, please report it along with the seed from the output. 39 * If you want to repeat a failure, set the system property "junit.seed". 40 * 41 * @author Mike Samuel <mikesamuel@gmail.com> 42 */ 43 abstract class FuzzyTestCase extends TestCase { 44 45 protected long seed = System.currentTimeMillis(); 46 { 47 String seedStr = System.getProperty("junit.seed"); 48 if (seedStr != null) { 49 try { 50 seed = Long.parseLong(seedStr); 51 } catch (NumberFormatException ex) { 52 ex.printStackTrace(); 53 } 54 } 55 } 56 57 protected Random rnd; 58 tearDown()59 @Override protected void tearDown() throws Exception { 60 super.tearDown(); 61 rnd = null; 62 } 63 setUp()64 @Override protected void setUp() throws Exception { 65 super.setUp(); 66 rnd = new Random(seed); 67 } 68 } 69