327 lines
11 KiB
Java
327 lines
11 KiB
Java
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/* ====================================================================
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* The Apache Software License, Version 1.1
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*
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* Copyright (c) 2002 The Apache Software Foundation. All rights
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* reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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*
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in
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* the documentation and/or other materials provided with the
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* distribution.
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*
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* 3. The end-user documentation included with the redistribution,
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* if any, must include the following acknowledgment:
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* "This product includes software developed by the
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* Apache Software Foundation (http://www.apache.org/)."
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* Alternately, this acknowledgment may appear in the software itself,
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* if and wherever such third-party acknowledgments normally appear.
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*
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* 4. The names "Apache" and "Apache Software Foundation" and
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* "Apache POI" must not be used to endorse or promote products
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* derived from this software without prior written permission. For
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* written permission, please contact apache@apache.org.
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*
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* 5. Products derived from this software may not be called "Apache",
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* "Apache POI", nor may "Apache" appear in their name, without
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* prior written permission of the Apache Software Foundation.
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*
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* THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
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* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR
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* ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
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* USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
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* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
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* OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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* ====================================================================
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*
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* This software consists of voluntary contributions made by many
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* individuals on behalf of the Apache Software Foundation. For more
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* information on the Apache Software Foundation, please see
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* <http://www.apache.org/>.
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*/
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package org.apache.poi.util;
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import junit.framework.*;
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/**
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* Class to test BitField functionality
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*
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* @author Marc Johnson
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* @author Glen Stampoultzis (gstamp@iprimus.com.au)
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*/
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public class TestBitField
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extends TestCase
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{
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private static BitField bf_multi = new BitField(0x3F80);
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private static BitField bf_single = new BitField(0x4000);
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/**
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* Constructor TestBitField
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*
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* @param name
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*/
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public TestBitField(String name)
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{
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super(name);
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}
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/**
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* test the getValue() method
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*/
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public void testGetValue()
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{
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assertEquals(bf_multi.getValue(-1), 127);
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assertEquals(bf_multi.getValue(0), 0);
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assertEquals(bf_single.getValue(-1), 1);
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assertEquals(bf_single.getValue(0), 0);
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}
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/**
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* test the getShortValue() method
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*/
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public void testGetShortValue()
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{
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assertEquals(bf_multi.getShortValue(( short ) -1), ( short ) 127);
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assertEquals(bf_multi.getShortValue(( short ) 0), ( short ) 0);
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assertEquals(bf_single.getShortValue(( short ) -1), ( short ) 1);
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assertEquals(bf_single.getShortValue(( short ) 0), ( short ) 0);
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}
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/**
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* test the getRawValue() method
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*/
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public void testGetRawValue()
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{
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assertEquals(bf_multi.getRawValue(-1), 0x3F80);
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assertEquals(bf_multi.getRawValue(0), 0);
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assertEquals(bf_single.getRawValue(-1), 0x4000);
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assertEquals(bf_single.getRawValue(0), 0);
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}
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/**
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* test the getShortRawValue() method
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*/
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public void testGetShortRawValue()
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{
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assertEquals(bf_multi.getShortRawValue(( short ) -1),
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( short ) 0x3F80);
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assertEquals(bf_multi.getShortRawValue(( short ) 0), ( short ) 0);
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assertEquals(bf_single.getShortRawValue(( short ) -1),
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( short ) 0x4000);
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assertEquals(bf_single.getShortRawValue(( short ) 0), ( short ) 0);
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}
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/**
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* test the isSet() method
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*/
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public void testIsSet()
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{
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assertTrue(!bf_multi.isSet(0));
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for (int j = 0x80; j <= 0x3F80; j += 0x80)
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{
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assertTrue(bf_multi.isSet(j));
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}
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assertTrue(!bf_single.isSet(0));
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assertTrue(bf_single.isSet(0x4000));
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}
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/**
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* test the isAllSet() method
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*/
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public void testIsAllSet()
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{
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for (int j = 0; j < 0x3F80; j += 0x80)
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{
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assertTrue(!bf_multi.isAllSet(j));
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}
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assertTrue(bf_multi.isAllSet(0x3F80));
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assertTrue(!bf_single.isAllSet(0));
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assertTrue(bf_single.isAllSet(0x4000));
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}
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/**
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* test the setValue() method
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*/
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public void testSetValue()
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{
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for (int j = 0; j < 128; j++)
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{
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assertEquals(bf_multi.getValue(bf_multi.setValue(0, j)), j);
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assertEquals(bf_multi.setValue(0, j), j << 7);
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}
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// verify that excess bits are stripped off
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assertEquals(bf_multi.setValue(0x3f80, 128), 0);
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for (int j = 0; j < 2; j++)
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{
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assertEquals(bf_single.getValue(bf_single.setValue(0, j)), j);
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assertEquals(bf_single.setValue(0, j), j << 14);
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}
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// verify that excess bits are stripped off
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assertEquals(bf_single.setValue(0x4000, 2), 0);
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}
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/**
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* test the setShortValue() method
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*/
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public void testSetShortValue()
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{
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for (int j = 0; j < 128; j++)
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{
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assertEquals(bf_multi
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.getShortValue(bf_multi
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.setShortValue(( short ) 0, ( short ) j)), ( short ) j);
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assertEquals(bf_multi.setShortValue(( short ) 0, ( short ) j),
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( short ) (j << 7));
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}
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// verify that excess bits are stripped off
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assertEquals(bf_multi.setShortValue(( short ) 0x3f80, ( short ) 128),
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( short ) 0);
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for (int j = 0; j < 2; j++)
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{
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assertEquals(bf_single
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.getShortValue(bf_single
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.setShortValue(( short ) 0, ( short ) j)), ( short ) j);
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assertEquals(bf_single.setShortValue(( short ) 0, ( short ) j),
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( short ) (j << 14));
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}
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// verify that excess bits are stripped off
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assertEquals(bf_single.setShortValue(( short ) 0x4000, ( short ) 2),
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( short ) 0);
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}
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public void testByte()
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{
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assertEquals(1, new BitField(1).setByteBoolean(( byte ) 0, true));
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assertEquals(2, new BitField(2).setByteBoolean(( byte ) 0, true));
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assertEquals(4, new BitField(4).setByteBoolean(( byte ) 0, true));
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assertEquals(8, new BitField(8).setByteBoolean(( byte ) 0, true));
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assertEquals(16, new BitField(16).setByteBoolean(( byte ) 0, true));
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assertEquals(32, new BitField(32).setByteBoolean(( byte ) 0, true));
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assertEquals(64, new BitField(64).setByteBoolean(( byte ) 0, true));
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assertEquals(-128,
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new BitField(128).setByteBoolean(( byte ) 0, true));
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assertEquals(0, new BitField(1).setByteBoolean(( byte ) 1, false));
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assertEquals(0, new BitField(2).setByteBoolean(( byte ) 2, false));
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assertEquals(0, new BitField(4).setByteBoolean(( byte ) 4, false));
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assertEquals(0, new BitField(8).setByteBoolean(( byte ) 8, false));
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assertEquals(0, new BitField(16).setByteBoolean(( byte ) 16, false));
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assertEquals(0, new BitField(32).setByteBoolean(( byte ) 32, false));
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assertEquals(0, new BitField(64).setByteBoolean(( byte ) 64, false));
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assertEquals(0, new BitField(128).setByteBoolean(( byte ) 128,
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false));
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assertEquals(-2, new BitField(1).setByteBoolean(( byte ) 255, false));
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byte clearedBit = new BitField(0x40).setByteBoolean(( byte ) -63,
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false);
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assertEquals(false, new BitField(0x40).isSet(clearedBit));
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}
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/**
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* test the clear() method
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*/
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public void testClear()
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{
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assertEquals(bf_multi.clear(-1), 0xFFFFC07F);
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assertEquals(bf_single.clear(-1), 0xFFFFBFFF);
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}
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/**
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* test the clearShort() method
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*/
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public void testClearShort()
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{
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assertEquals(bf_multi.clearShort(( short ) -1), ( short ) 0xC07F);
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assertEquals(bf_single.clearShort(( short ) -1), ( short ) 0xBFFF);
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}
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/**
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* test the set() method
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*/
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public void testSet()
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{
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assertEquals(bf_multi.set(0), 0x3F80);
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assertEquals(bf_single.set(0), 0x4000);
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}
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/**
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* test the setShort() method
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*/
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public void testSetShort()
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{
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assertEquals(bf_multi.setShort(( short ) 0), ( short ) 0x3F80);
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assertEquals(bf_single.setShort(( short ) 0), ( short ) 0x4000);
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}
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/**
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* test the setBoolean() method
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*/
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public void testSetBoolean()
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{
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assertEquals(bf_multi.set(0), bf_multi.setBoolean(0, true));
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assertEquals(bf_single.set(0), bf_single.setBoolean(0, true));
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assertEquals(bf_multi.clear(-1), bf_multi.setBoolean(-1, false));
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assertEquals(bf_single.clear(-1), bf_single.setBoolean(-1, false));
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}
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/**
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* test the setShortBoolean() method
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*/
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public void testSetShortBoolean()
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{
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assertEquals(bf_multi.setShort(( short ) 0),
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bf_multi.setShortBoolean(( short ) 0, true));
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assertEquals(bf_single.setShort(( short ) 0),
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bf_single.setShortBoolean(( short ) 0, true));
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assertEquals(bf_multi.clearShort(( short ) -1),
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bf_multi.setShortBoolean(( short ) -1, false));
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assertEquals(bf_single.clearShort(( short ) -1),
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bf_single.setShortBoolean(( short ) -1, false));
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}
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/**
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* main method to run the unit tests
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*
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* @param ignored_args
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*/
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public static void main(String [] ignored_args)
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{
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System.out.println("Testing util.BitField functionality");
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junit.textui.TestRunner.run(TestBitField.class);
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}
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}
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