Source Code Cross Referenced for ByteHandlerUpdateTestCase.java in  » Database-DBMS » db4o-6.4 » com » db4o » db4ounit » common » handlers » Java Source Code / Java DocumentationJava Source Code and Java Documentation

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Java Source Code / Java Documentation » Database DBMS » db4o 6.4 » com.db4o.db4ounit.common.handlers 
Source Cross Referenced  Class Diagram Java Document (Java Doc) 


001:        /* Copyright (C) 2004 - 2007  db4objects Inc.  http://www.db4o.com
002:
003:        This file is part of the db4o open source object database.
004:
005:        db4o is free software; you can redistribute it and/or modify it under
006:        the terms of version 2 of the GNU General Public License as published
007:        by the Free Software Foundation and as clarified by db4objects' GPL 
008:        interpretation policy, available at
009:        http://www.db4o.com/about/company/legalpolicies/gplinterpretation/
010:        Alternatively you can write to db4objects, Inc., 1900 S Norfolk Street,
011:        Suite 350, San Mateo, CA 94403, USA.
012:
013:        db4o is distributed in the hope that it will be useful, but WITHOUT ANY
014:        WARRANTY; without even the implied warranty of MERCHANTABILITY or
015:        FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
016:        for more details.
017:
018:        You should have received a copy of the GNU General Public License along
019:        with this program; if not, write to the Free Software Foundation, Inc.,
020:        59 Temple Place - Suite 330, Boston, MA  02111-1307, USA. */
021:        package com.db4o.db4ounit.common.handlers;
022:
023:        import com.db4o.db4ounit.util.*;
024:
025:        import db4ounit.*;
026:
027:        public class ByteHandlerUpdateTestCase extends
028:                HandlerUpdateTestCaseBase {
029:
030:            public static class Item {
031:                public byte _typedPrimitive;
032:
033:                public Byte _typedWrapper;
034:
035:                public Object _untyped;
036:            }
037:
038:            public static class ItemArrays {
039:                public byte[] _typedPrimitiveArray;
040:
041:                public Byte[] _typedWrapperArray;
042:
043:                public Object[] _untypedObjectArray;
044:
045:                public Object _primitiveArrayInObject;
046:
047:                public Object _wrapperArrayInObject;
048:            }
049:
050:            public static final byte[] data = new byte[] { Byte.MIN_VALUE,
051:                    Byte.MIN_VALUE + 1, (byte) 0xFB, (byte) 0xFF, 0, 1, 5,
052:                    Byte.MAX_VALUE - 1, Byte.MAX_VALUE, };
053:
054:            public static void main(String[] args) {
055:                new TestRunner(ByteHandlerUpdateTestCase.class).run();
056:            }
057:
058:            protected void assertArrays(Object obj) {
059:                ItemArrays itemArrays = (ItemArrays) obj;
060:
061:                assertPrimitiveArray(itemArrays._typedPrimitiveArray);
062:
063:                if (_db4oHeaderVersion == VersionServices.HEADER_30_40) {
064:                    // Bug in the oldest format: It accidentally byte[] arrays to Byte[]
065:                    // arrays.
066:                    assertWrapperArray((Byte[]) itemArrays._primitiveArrayInObject);
067:                } else {
068:                    // FIXME: Bug of store/retrieve byte[] as object.
069:                    // assertPrimitiveArray((byte[])
070:                    // itemArrays._primitiveArrayInObject);
071:                }
072:                assertWrapperArray(itemArrays._typedWrapperArray);
073:                assertUntypedObjectArray(itemArrays);
074:                assertWrapperArray((Byte[]) itemArrays._wrapperArrayInObject);
075:            }
076:
077:            /**
078:             * @sharpen.remove Cannot convert 'object[]' to 'Byte[]' in .net
079:             */
080:            private void assertUntypedObjectArray(ItemArrays itemArrays) {
081:                assertWrapperArray((Byte[]) itemArrays._untypedObjectArray);
082:            }
083:
084:            private void assertPrimitiveArray(byte[] primitiveArray) {
085:                for (int i = 0; i < data.length; i++) {
086:                    assertAreEqual(data[i], primitiveArray[i]);
087:                }
088:            }
089:
090:            /**
091:             * FIXME: The byte optimization format change, COR-884 also hits .NET for the 
092:             * wrapper array. Convert to Dotnet again after we install special handlers
093:             * for byte[] 
094:             * 
095:             * @sharpen.remove
096:             */
097:            private void assertWrapperArray(Byte[] wrapperArray) {
098:                for (int i = 0; i < data.length; i++) {
099:                    assertAreEqual(new Byte(data[i]), wrapperArray[i]);
100:                }
101:                // FIXME: Arrays should also get a null Bitmap to fix.
102:                // Assert.isNull(wrapperArray[wrapperArray.length - 1]);
103:            }
104:
105:            protected void assertValues(Object[] values) {
106:                for (int i = 0; i < data.length; i++) {
107:                    Item item = (Item) values[i];
108:                    assertAreEqual(data[i], item._typedPrimitive);
109:                    assertAreEqual(new Byte(data[i]), item._typedWrapper);
110:                    assertAreEqual(new Byte(data[i]), item._untyped);
111:                }
112:
113:                Item nullItem = (Item) values[values.length - 1];
114:                assertAreEqual((byte) 0, nullItem._typedPrimitive);
115:                assertByteWrapperIsNullJavaOnly(nullItem._typedWrapper);
116:                Assert.isNull(nullItem._untyped);
117:            }
118:
119:            private void assertAreEqual(byte expected, byte actual) {
120:                Assert.areEqual(expected, actual);
121:            }
122:
123:            private void assertAreEqual(Object expected, Object actual) {
124:                Assert.areEqual(expected, actual);
125:            }
126:
127:            protected Object createArrays() {
128:                ItemArrays itemArrays = new ItemArrays();
129:                itemArrays._typedPrimitiveArray = new byte[data.length];
130:                System.arraycopy(data, 0, itemArrays._typedPrimitiveArray, 0,
131:                        data.length);
132:
133:                Byte[] dataWrapper = new Byte[data.length];
134:                for (int i = 0; i < data.length; i++) {
135:                    dataWrapper[i] = new Byte(data[i]);
136:                }
137:
138:                itemArrays._typedWrapperArray = new Byte[data.length + 1];
139:                System.arraycopy(dataWrapper, 0, itemArrays._typedWrapperArray,
140:                        0, dataWrapper.length);
141:
142:                initializeUntypedObjectArray(itemArrays, dataWrapper);
143:
144:                byte[] primitiveArray = new byte[data.length];
145:                System.arraycopy(data, 0, primitiveArray, 0, data.length);
146:                itemArrays._primitiveArrayInObject = primitiveArray;
147:
148:                Byte[] wrapperArray = new Byte[data.length + 1];
149:                System.arraycopy(dataWrapper, 0, wrapperArray, 0,
150:                        dataWrapper.length);
151:                itemArrays._wrapperArrayInObject = wrapperArray;
152:                return itemArrays;
153:            }
154:
155:            /**
156:             * @sharpen.remove Cannot convert 'Byte[]' to 'object[]'
157:             */
158:            private void initializeUntypedObjectArray(ItemArrays itemArrays,
159:                    Byte[] dataWrapper) {
160:                itemArrays._untypedObjectArray = new Byte[data.length + 1];
161:                System.arraycopy(dataWrapper, 0,
162:                        itemArrays._untypedObjectArray, 0, dataWrapper.length);
163:            }
164:
165:            protected Object[] createValues() {
166:                Item[] values = new Item[data.length + 1];
167:                for (int i = 0; i < data.length; i++) {
168:                    Item item = new Item();
169:                    item._typedPrimitive = data[i];
170:                    item._typedWrapper = new Byte(data[i]);
171:                    item._untyped = new Byte(data[i]);
172:                    values[i] = item;
173:                }
174:                values[values.length - 1] = new Item();
175:                return values;
176:            }
177:
178:            /**
179:             * @sharpen.remove
180:             */
181:            private void assertByteWrapperIsNullJavaOnly(Object obj) {
182:                if (_handlerVersion == 0) {
183:
184:                    // Bug when reading old format:
185:                    // Null wrappers are converted to 0
186:
187:                    Assert.areEqual(new Byte((byte) 0), obj);
188:                } else {
189:                    Assert.isNull(obj);
190:                }
191:            }
192:
193:            protected String typeName() {
194:                return "byte";
195:            }
196:        }
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