001 /*
002 * $Id: NullStringCatenationTest.java 1180547 2011-10-09 05:44:18Z grobmeier $
003 * Licensed to the Apache Software Foundation (ASF) under one
004 * or more contributor license agreements. See the NOTICE file
005 * distributed with this work for additional information
006 * regarding copyright ownership. The ASF licenses this file
007 * to you under the Apache License, Version 2.0 (the
008 * "License"); you may not use this file except in compliance
009 * with the License. You may obtain a copy of the License at
010 *
011 * http://www.apache.org/licenses/LICENSE-2.0
012 *
013 * Unless required by applicable law or agreed to in writing,
014 * software distributed under the License is distributed on an
015 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
016 * KIND, either express or implied. See the License for the
017 * specific language governing permissions and limitations
018 * under the License.
019 */
020 package org.apache.commons.ognl.test;
021
022 import java.util.ArrayList;
023 import java.util.Collection;
024
025 import org.apache.commons.ognl.test.objects.Root;
026 import org.junit.Test;
027 import org.junit.runner.RunWith;
028 import org.junit.runners.Parameterized;
029 import org.junit.runners.Parameterized.Parameters;
030
031 @RunWith(value = Parameterized.class)
032 public class NullStringCatenationTest
033 extends OgnlTestCase
034 {
035
036 public static final String MESSAGE = "blarney";
037
038 private static Root ROOT = new Root();
039
040 private static Object[][] TESTS =
041 {
042 // Null string catenation
043 { ROOT, "\"bar\" + null", "barnull" }, // Catenate null to a string
044 { ROOT, "\"bar\" + nullObject", "barnull" }, // Catenate null to a string
045 { ROOT, "20.56 + nullObject", NullPointerException.class }, // Catenate null to a number
046 { ROOT, "(true ? 'tabHeader' : '') + (false ? 'tabHeader' : '')", "tabHeader" },
047 { ROOT, "theInt == 0 ? '5%' : theInt + '%'", "6%" },
048 { ROOT, "'width:' + width + ';'", "width:238px;" },
049 { ROOT, "theLong + '_' + index", "4_1" },
050 { ROOT, "'javascript:' + @org.apache.commons.ognl.test.NullStringCatenationTest@MESSAGE", "javascript:blarney" },
051 { ROOT, "printDelivery ? '' : 'javascript:deliverySelected(' + property.carrier + ',' + currentDeliveryId + ')'", "" },
052 { ROOT, "bean2.id + '_' + theInt", "1_6" }
053 };
054
055
056 /**
057 * Setup parameters for this test which are used to call this class constructor
058 * @return the collection of paramaters
059 */
060 @Parameters
061 public static Collection<Object[]> data()
062 {
063 Collection<Object[]> data = new ArrayList<Object[]>(TESTS.length);
064 for ( int i = 0; i < TESTS.length; i++ )
065 {
066 Object[] tmp = new Object[4];
067 tmp[0] = TESTS[i][1];
068 tmp[1] = TESTS[i][0];
069 tmp[2] = TESTS[i][1];
070 tmp[3] = TESTS[i][2];
071
072 data.add( tmp );
073 }
074 return data;
075 }
076
077 /**
078 * Constructor: size of the Object[] returned by the @Parameter annotated method must match
079 * the number of arguments in this constructor
080 */
081 public NullStringCatenationTest( String name, Object root, String expressionString, Object expectedResult)
082 {
083 super( name, root, expressionString, expectedResult );
084 }
085
086 @Test
087 @Override
088 public void runTest() throws Exception
089 {
090 super.runTest();
091 }
092 }