/protocols/smpp/src/test/java/org/mobicents/protocols/smpp/message/param/IntegerParamDescriptorTest.java

  1/*
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  3 * Copyright 2011, Red Hat, Inc. and individual contributors
  4 * by the @authors tag. See the copyright.txt in the distribution for a
  5 * full listing of individual contributors.
  6 *
  7 * This is free software; you can redistribute it and/or modify it
  8 * under the terms of the GNU Lesser General Public License as
  9 * published by the Free Software Foundation; either version 2.1 of
 10 * the License, or (at your option) any later version.
 11 *
 12 * This software is distributed in the hope that it will be useful,
 13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
 15 * Lesser General Public License for more details.
 16 *
 17 * You should have received a copy of the GNU Lesser General Public
 18 * License along with this software; if not, write to the Free
 19 * Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
 20 * 02110-1301 USA, or see the FSF site: http://www.fsf.org.
 21 */
 22
 23package org.mobicents.protocols.smpp.message.param;
 24
 25import static org.testng.Assert.assertEquals;
 26import static org.testng.Assert.assertNotNull;
 27
 28import java.io.ByteArrayOutputStream;
 29
 30import org.testng.annotations.Test;
 31
 32import org.mobicents.protocols.smpp.message.param.IntegerParamDescriptor;
 33import org.mobicents.protocols.smpp.util.PacketDecoderImpl;
 34import org.mobicents.protocols.smpp.util.PacketEncoderImpl;
 35import org.mobicents.protocols.smpp.util.SMPPIO;
 36
 37@Test
 38public class IntegerParamDescriptorTest {
 39
 40    private IntegerParamDescriptor integer1 = new IntegerParamDescriptor(1);
 41    private IntegerParamDescriptor integer2 = new IntegerParamDescriptor(2);
 42    private IntegerParamDescriptor integer4 = new IntegerParamDescriptor(4);
 43    private IntegerParamDescriptor integer8 = new IntegerParamDescriptor(8);
 44
 45    public void testSizeOf() throws Exception {
 46        doSizeOf(new IntegerParamDescriptor(1), 1);
 47        doSizeOf(new IntegerParamDescriptor(2), 2);
 48        doSizeOf(new IntegerParamDescriptor(4), 4);
 49        doSizeOf(new IntegerParamDescriptor(8), 8);
 50    }
 51
 52    public void testWriteObject() throws Exception {
 53        doWriteObject(integer1, 0L);
 54        doWriteObject(integer1, 127L);
 55        doWriteObject(integer1, 255L);
 56        
 57        doWriteObject(integer2, 0L);
 58        doWriteObject(integer2, (long) Short.MAX_VALUE);
 59        doWriteObject(integer2, 65535L);
 60        
 61        doWriteObject(integer4, 0L);
 62        doWriteObject(integer4, (long) Integer.MAX_VALUE);
 63        doWriteObject(integer4, 4294967295L);
 64        
 65        doWriteObject(integer8, 0L);
 66        doWriteObject(integer8, Long.MAX_VALUE);
 67    }
 68    
 69    public void testReadObject() throws Exception {
 70        doReadObject(integer1, 0L);
 71        doReadObject(integer1, 127L);
 72        doReadObject(integer1, 255L);
 73        
 74        doReadObject(integer2, 0L);
 75        doReadObject(integer2, (long) Short.MAX_VALUE);
 76        doReadObject(integer2, 65535L);
 77        
 78        doReadObject(integer4, 0L);
 79        doReadObject(integer4, (long) Integer.MAX_VALUE);
 80        doReadObject(integer4, 4294967295L);
 81        
 82        doReadObject(integer8, 0L);
 83        doReadObject(integer8, Long.MAX_VALUE);
 84    }
 85    
 86    private void doSizeOf(IntegerParamDescriptor descriptor, int intSize) throws Exception {
 87        Integer value = new Integer(231);
 88        assertEquals(descriptor.sizeOf(value), intSize);
 89        assertEquals(descriptor.sizeOf(null), intSize);
 90    }
 91    
 92    private void doWriteObject(IntegerParamDescriptor descriptor, long value) throws Exception {
 93        ByteArrayOutputStream out = new ByteArrayOutputStream();
 94        PacketEncoderImpl encoder = new PacketEncoderImpl(out);
 95        descriptor.writeObject(value, encoder);
 96        byte[] array = out.toByteArray();
 97        assertEquals(array.length, descriptor.sizeOf(value));
 98        switch (descriptor.sizeOf(value)) {
 99        case 8:
100            assertEquals(SMPPIO.readInt8(array, 0), value);
101            break;
102        case 4:
103            assertEquals(SMPPIO.readUInt4(array, 0), value);
104            break;
105        case 2:
106            assertEquals(SMPPIO.readUInt2(array, 0), (int) value);
107            break;
108        default:
109            assertEquals((int) array[0] & 0xff, (int) value);
110            break;
111        }
112    }
113    
114    private void doReadObject(IntegerParamDescriptor descriptor, long value) throws Exception {
115        ByteArrayOutputStream out = new ByteArrayOutputStream();
116        switch (descriptor.sizeOf(value)) {
117        case 8:
118            SMPPIO.writeLong(value, out);
119            break;
120        case 4:
121            SMPPIO.writeLongInt(value, out);
122            break;
123        case 2:
124            SMPPIO.writeShort((int) value, out);
125            break;
126        default:
127            SMPPIO.writeByte((int) value, out);
128            break;
129        }
130        byte[] array = out.toByteArray();
131        PacketDecoderImpl decoder = new PacketDecoderImpl(array);
132        Number number = (Number) descriptor.readObject(decoder, -1);
133        assertNotNull(number);
134        assertEquals(number.longValue(), value);
135        assertEquals(decoder.getParsePosition(), descriptor.sizeOf(value));
136    }
137}