001    /*
002     * $Id: ArrayElementsTest.java 1230454 2012-01-12 09:35:53Z mcucchiara $
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 org.apache.commons.ognl.test.objects.Root;
023    import org.junit.Before;
024    import org.junit.runner.RunWith;
025    import org.junit.runners.Parameterized;
026    import org.junit.runners.Parameterized.Parameters;
027    
028    import java.util.ArrayList;
029    import java.util.Arrays;
030    import java.util.Collection;
031    
032    @RunWith(value = Parameterized.class)
033    public class ArrayElementsTest
034        extends OgnlTestCase
035    {
036    
037        private static String[] STRING_ARRAY = new String[] { "hello", "world" };
038    
039        private static int[] INT_ARRAY = new int[] { 10, 20 };
040    
041        private static Root ROOT = new Root();
042    
043        private static Object[][] TESTS = {
044            // Array elements test
045            { STRING_ARRAY, "length", 2 },
046            { STRING_ARRAY, "#root[1]", "world" },
047            { INT_ARRAY, "#root[1]", 20 },
048            { INT_ARRAY, "#root[1]", 20, "50", 50 },
049            { INT_ARRAY, "#root[1]", 50, new String[] { "50", "100" }, 50 },
050            { ROOT, "intValue", 0, new String[] { "50", "100" }, 50 },
051            { ROOT, "array", ROOT.getArray(), new String[] { "50", "100" }, new int[] { 50, 100 } },
052            { null, "\"{Hello}\".toCharArray()[6]", '}' },
053            { null, "\"Tapestry\".toCharArray()[2]", 'p' },
054            { null, "{'1','2','3'}",
055                Arrays.asList( '1', '2', '3' ) },
056            { null, "{ true, !false }", Arrays.asList( Boolean.TRUE, Boolean.TRUE ) } };
057    
058        /*
059         * =================================================================== Private static methods
060         * ===================================================================
061         */
062        /*
063         * =================================================================== Public static methods
064         * ===================================================================
065         */
066        @Parameters
067        public static Collection<Object[]> data()
068        {
069            Collection<Object[]> data = new ArrayList<Object[]>(TESTS.length);
070            for ( Object[] TEST : TESTS )
071            {
072                Object[] tmp = new Object[6];
073                tmp[0] = TEST[1];
074                tmp[1] = TEST[0];
075                tmp[2] = TEST[1];
076    
077                switch ( TEST.length )
078                {
079                    case 3:
080                        tmp[3] = TEST[2];
081                        break;
082    
083                    case 4:
084                        tmp[3] = TEST[2];
085                        tmp[4] = TEST[3];
086                        break;
087    
088                    case 5:
089                        tmp[3] = TEST[2];
090                        tmp[4] = TEST[3];
091                        tmp[5] = TEST[4];
092                        break;
093    
094                    default:
095                        throw new RuntimeException( "don't understand TEST format with length" );
096                }
097    
098                data.add( tmp );
099            }
100            return data;
101        }
102    
103        /*
104         * =================================================================== Constructors
105         * ===================================================================
106         */
107        public ArrayElementsTest( String name, Object root, String expressionString, Object expectedResult,
108                                  Object setValue, Object expectedAfterSetResult )
109        {
110            super( name, root, expressionString, expectedResult, setValue, expectedAfterSetResult );
111        }
112    
113        /*
114         * =================================================================== Overridden methods
115         * ===================================================================
116         */
117        @Override
118        @Before
119        public void setUp()
120        {
121            super.setUp();
122            /**
123             * TypeConverter arrayConverter;
124             * arrayConverter = new DefaultTypeConverter() { public Object convertValue(Map context, Object target, Member
125             * member, String propertyName, Object value, Class toType) { if (value.getClass().isArray()) { if
126             * (!toType.isArray()) { value = Array.get(value, 0); } } return super.convertValue(context, target, member,
127             * propertyName, value, toType); } }; _context.setTypeConverter(arrayConverter);
128             */
129        }
130    }