BitField moved over from the [util] project.
git-svn-id: https://svn.apache.org/repos/asf/jakarta/commons/proper/lang/trunk@137192 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
parent
f1cc6ec3ff
commit
ef292354c6
|
@ -0,0 +1,340 @@
|
|||
/* ====================================================================
|
||||
* The Apache Software License, Version 1.1
|
||||
*
|
||||
* Copyright (c) 2002 The Apache Software Foundation. All rights
|
||||
* reserved.
|
||||
*
|
||||
* Redistribution and use in source and binary forms, with or without
|
||||
* modification, are permitted provided that the following conditions
|
||||
* are met:
|
||||
*
|
||||
* 1. Redistributions of source code must retain the above copyright
|
||||
* notice, this list of conditions and the following disclaimer.
|
||||
*
|
||||
* 2. Redistributions in binary form must reproduce the above copyright
|
||||
* notice, this list of conditions and the following disclaimer in
|
||||
* the documentation and/or other materials provided with the
|
||||
* distribution.
|
||||
*
|
||||
* 3. The end-user documentation included with the redistribution, if
|
||||
* any, must include the following acknowlegement:
|
||||
* "This product includes software developed by the
|
||||
* Apache Software Foundation (http://www.apache.org/)."
|
||||
* Alternately, this acknowlegement may appear in the software itself,
|
||||
* if and wherever such third-party acknowlegements normally appear.
|
||||
*
|
||||
* 4. The names "The Jakarta Project", "Commons", and "Apache Software
|
||||
* Foundation" must not be used to endorse or promote products derived
|
||||
* from this software without prior written permission. For written
|
||||
* permission, please contact apache@apache.org.
|
||||
*
|
||||
* 5. Products derived from this software may not be called "Apache"
|
||||
* nor may "Apache" appear in their names without prior written
|
||||
* permission of the Apache Software Foundation.
|
||||
*
|
||||
* THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
|
||||
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
|
||||
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
|
||||
* DISCLAIMED. IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR
|
||||
* ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
|
||||
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
|
||||
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
|
||||
* USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
|
||||
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
|
||||
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
|
||||
* OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
|
||||
* SUCH DAMAGE.
|
||||
* ====================================================================
|
||||
*
|
||||
* This software consists of voluntary contributions made by many
|
||||
* individuals on behalf of the Apache Software Foundation. For more
|
||||
* information on the Apache Software Foundation, please see
|
||||
* <http://www.apache.org/>.
|
||||
*/
|
||||
package org.apache.commons.lang.util;
|
||||
|
||||
/**
|
||||
* Manage operations dealing with bit-mapped fields.
|
||||
* <p>
|
||||
* Code originated from the POI project.
|
||||
*
|
||||
* @author Scott Sanders (sanders at apache dot org)
|
||||
* @author Marc Johnson (mjohnson at apache dot org)
|
||||
* @author Andrew C. Oliver (acoliver at apache dot org)
|
||||
* @author Stephen Colebourne
|
||||
* @version $Id: BitField.java,v 1.1 2002/12/18 02:50:36 bayard Exp $
|
||||
*/
|
||||
public class BitField {
|
||||
private final int _mask;
|
||||
private final int _shift_count;
|
||||
|
||||
/**
|
||||
* Create a BitField instance
|
||||
*
|
||||
* @param mask the mask specifying which bits apply to this
|
||||
* BitField. Bits that are set in this mask are the
|
||||
* bits that this BitField operates on
|
||||
*/
|
||||
|
||||
public BitField(final int mask) {
|
||||
_mask = mask;
|
||||
int count = 0;
|
||||
int bit_pattern = mask;
|
||||
|
||||
if (bit_pattern != 0) {
|
||||
while ((bit_pattern & 1) == 0) {
|
||||
count++;
|
||||
bit_pattern >>= 1;
|
||||
}
|
||||
}
|
||||
_shift_count = count;
|
||||
}
|
||||
|
||||
/**
|
||||
* Obtain the value for the specified BitField, appropriately
|
||||
* shifted right. Many users of a BitField will want to treat the
|
||||
* specified bits as an int value, and will not want to be aware
|
||||
* that the value is stored as a BitField (and so shifted left so
|
||||
* many bits)
|
||||
*
|
||||
* @param holder the int data containing the bits we're interested
|
||||
* in
|
||||
*
|
||||
* @return the selected bits, shifted right appropriately
|
||||
*/
|
||||
|
||||
public int getValue(final int holder) {
|
||||
return getRawValue(holder) >> _shift_count;
|
||||
}
|
||||
|
||||
/**
|
||||
* Obtain the value for the specified BitField, appropriately
|
||||
* shifted right, as a short. Many users of a BitField will want
|
||||
* to treat the specified bits as an int value, and will not want
|
||||
* to be aware that the value is stored as a BitField (and so
|
||||
* shifted left so many bits)
|
||||
*
|
||||
* @param holder the short data containing the bits we're
|
||||
* interested in
|
||||
*
|
||||
* @return the selected bits, shifted right appropriately
|
||||
*/
|
||||
|
||||
public short getShortValue(final short holder) {
|
||||
return (short) getValue(holder);
|
||||
}
|
||||
|
||||
/**
|
||||
* Obtain the value for the specified BitField, unshifted
|
||||
*
|
||||
* @param holder the int data containing the bits we're interested
|
||||
* in
|
||||
*
|
||||
* @return the selected bits
|
||||
*/
|
||||
|
||||
public int getRawValue(final int holder) {
|
||||
return (holder & _mask);
|
||||
}
|
||||
|
||||
/**
|
||||
* Obtain the value for the specified BitField, unshifted
|
||||
*
|
||||
* @param holder the short data containing the bits we're
|
||||
* interested in
|
||||
*
|
||||
* @return the selected bits
|
||||
*/
|
||||
|
||||
public short getShortRawValue(final short holder) {
|
||||
return (short) getRawValue(holder);
|
||||
}
|
||||
|
||||
/**
|
||||
* Is the field set or not? This is most commonly used for a
|
||||
* single-bit field, which is often used to represent a boolean
|
||||
* value; the results of using it for a multi-bit field is to
|
||||
* determine whether *any* of its bits are set
|
||||
*
|
||||
* @param holder the int data containing the bits we're interested
|
||||
* in
|
||||
*
|
||||
* @return true if any of the bits are set, else false
|
||||
*/
|
||||
|
||||
public boolean isSet(final int holder) {
|
||||
return (holder & _mask) != 0;
|
||||
}
|
||||
|
||||
/**
|
||||
* Are all of the bits set or not? This is a stricter test than
|
||||
* isSet, in that all of the bits in a multi-bit set must be set
|
||||
* for this method to return true
|
||||
*
|
||||
* @param holder the int data containing the bits we're interested
|
||||
* in
|
||||
*
|
||||
* @return true if all of the bits are set, else false
|
||||
*/
|
||||
|
||||
public boolean isAllSet(final int holder) {
|
||||
return (holder & _mask) == _mask;
|
||||
}
|
||||
|
||||
/**
|
||||
* Replace the bits with new values.
|
||||
*
|
||||
* @param holder the int data containint the bits we're interested
|
||||
* in
|
||||
* @param value the new value for the specified bits
|
||||
*
|
||||
* @return the value of holder with the bits from the value
|
||||
* parameter replacing the old bits
|
||||
*/
|
||||
|
||||
public int setValue(final int holder, final int value) {
|
||||
return (holder & ~_mask) | ((value << _shift_count) & _mask);
|
||||
}
|
||||
|
||||
/**
|
||||
* Replace the bits with new values.
|
||||
*
|
||||
* @param holder the short data containing the bits we're
|
||||
* interested in
|
||||
* @param value the new value for the specified bits
|
||||
*
|
||||
* @return the value of holder with the bits from the value
|
||||
* parameter replacing the old bits
|
||||
*/
|
||||
|
||||
public short setShortValue(final short holder, final short value) {
|
||||
return (short) setValue(holder, value);
|
||||
}
|
||||
|
||||
/**
|
||||
* Clear the bits.
|
||||
*
|
||||
* @param holder the int data containing the bits we're interested
|
||||
* in
|
||||
*
|
||||
* @return the value of holder with the specified bits cleared
|
||||
* (set to 0)
|
||||
*/
|
||||
|
||||
public int clear(final int holder) {
|
||||
return holder & ~_mask;
|
||||
}
|
||||
|
||||
/**
|
||||
* Clear the bits.
|
||||
*
|
||||
* @param holder the short data containing the bits we're
|
||||
* interested in
|
||||
*
|
||||
* @return the value of holder with the specified bits cleared
|
||||
* (set to 0)
|
||||
*/
|
||||
|
||||
public short clearShort(final short holder) {
|
||||
return (short) clear(holder);
|
||||
}
|
||||
|
||||
/**
|
||||
* Clear the bits.
|
||||
*
|
||||
* @param holder the byte data containing the bits we're
|
||||
* interested in
|
||||
*
|
||||
* @return the value of holder with the specified bits cleared
|
||||
* (set to 0)
|
||||
*/
|
||||
|
||||
public byte clearByte(final byte holder) {
|
||||
return (byte) clear(holder);
|
||||
}
|
||||
|
||||
/**
|
||||
* Set the bits.
|
||||
*
|
||||
* @param holder the int data containing the bits we're interested
|
||||
* in
|
||||
*
|
||||
* @return the value of holder with the specified bits set to 1
|
||||
*/
|
||||
|
||||
public int set(final int holder) {
|
||||
return holder | _mask;
|
||||
}
|
||||
|
||||
/**
|
||||
* Set the bits.
|
||||
*
|
||||
* @param holder the short data containing the bits we're
|
||||
* interested in
|
||||
*
|
||||
* @return the value of holder with the specified bits set to 1
|
||||
*/
|
||||
|
||||
public short setShort(final short holder) {
|
||||
return (short) set(holder);
|
||||
}
|
||||
|
||||
/**
|
||||
* Set the bits.
|
||||
*
|
||||
* @param holder the byte data containing the bits we're
|
||||
* interested in
|
||||
*
|
||||
* @return the value of holder with the specified bits set to 1
|
||||
*/
|
||||
|
||||
public byte setByte(final byte holder) {
|
||||
return (byte) set(holder);
|
||||
}
|
||||
|
||||
/**
|
||||
* Set a boolean BitField
|
||||
*
|
||||
* @param holder the int data containing the bits we're interested
|
||||
* in
|
||||
* @param flag indicating whether to set or clear the bits
|
||||
*
|
||||
* @return the value of holder with the specified bits set or
|
||||
* cleared
|
||||
*/
|
||||
|
||||
public int setBoolean(final int holder, final boolean flag) {
|
||||
return flag ? set(holder) : clear(holder);
|
||||
}
|
||||
|
||||
/**
|
||||
* Set a boolean BitField
|
||||
*
|
||||
* @param holder the short data containing the bits we're
|
||||
* interested in
|
||||
* @param flag indicating whether to set or clear the bits
|
||||
*
|
||||
* @return the value of holder with the specified bits set or
|
||||
* cleared
|
||||
*/
|
||||
|
||||
public short setShortBoolean(final short holder, final boolean flag) {
|
||||
return flag ? setShort(holder) : clearShort(holder);
|
||||
}
|
||||
|
||||
/**
|
||||
* Set a boolean BitField
|
||||
*
|
||||
* @param holder the byte data containing the bits we're
|
||||
* interested in
|
||||
* @param flag indicating whether to set or clear the bits
|
||||
*
|
||||
* @return the value of holder with the specified bits set or
|
||||
* cleared
|
||||
*/
|
||||
|
||||
public byte setByteBoolean(final byte holder, final boolean flag) {
|
||||
return flag ? setByte(holder) : clearByte(holder);
|
||||
}
|
||||
|
||||
}
|
|
@ -0,0 +1,337 @@
|
|||
/*
|
||||
* $Header: /home/jerenkrantz/tmp/commons/commons-convert/cvs/home/cvs/jakarta-commons//lang/src/test/org/apache/commons/lang/util/Attic/BitFieldTest.java,v 1.1 2002/12/18 02:50:36 bayard Exp $
|
||||
* $Revision: 1.1 $
|
||||
* $Date: 2002/12/18 02:50:36 $
|
||||
*
|
||||
* ====================================================================
|
||||
*
|
||||
* The Apache Software License, Version 1.1
|
||||
*
|
||||
* Copyright (c) 2002 The Apache Software Foundation. All rights
|
||||
* reserved.
|
||||
*
|
||||
* Redistribution and use in source and binary forms, with or without
|
||||
* modification, are permitted provided that the following conditions
|
||||
* are met:
|
||||
*
|
||||
* 1. Redistributions of source code must retain the above copyright
|
||||
* notice, this list of conditions and the following disclaimer.
|
||||
*
|
||||
* 2. Redistributions in binary form must reproduce the above copyright
|
||||
* notice, this list of conditions and the following disclaimer in
|
||||
* the documentation and/or other materials provided with the
|
||||
* distribution.
|
||||
*
|
||||
* 3. The end-user documentation included with the redistribution, if
|
||||
* any, must include the following acknowlegement:
|
||||
* "This product includes software developed by the
|
||||
* Apache Software Foundation (http://www.apache.org/)."
|
||||
* Alternately, this acknowlegement may appear in the software itself,
|
||||
* if and wherever such third-party acknowlegements normally appear.
|
||||
*
|
||||
* 4. The names "The Jakarta Project", "Commons", and "Apache Software
|
||||
* Foundation" must not be used to endorse or promote products derived
|
||||
* from this software without prior written permission. For written
|
||||
* permission, please contact apache@apache.org.
|
||||
*
|
||||
* 5. Products derived from this software may not be called "Apache"
|
||||
* nor may "Apache" appear in their names without prior written
|
||||
* permission of the Apache Group.
|
||||
*
|
||||
* THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
|
||||
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
|
||||
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
|
||||
* DISCLAIMED. IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR
|
||||
* ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
|
||||
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
|
||||
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
|
||||
* USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
|
||||
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
|
||||
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
|
||||
* OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
|
||||
* SUCH DAMAGE.
|
||||
* ====================================================================
|
||||
*
|
||||
* This software consists of voluntary contributions made by many
|
||||
* individuals on behalf of the Apache Software Foundation. For more
|
||||
* information on the Apache Software Foundation, please see
|
||||
* <http://www.apache.org/>.
|
||||
*
|
||||
*/
|
||||
|
||||
package org.apache.commons.lang.util;
|
||||
|
||||
import junit.framework.Test;
|
||||
import junit.framework.TestCase;
|
||||
import junit.framework.TestSuite;
|
||||
import junit.textui.TestRunner;
|
||||
|
||||
/**
|
||||
* Class to test BitField functionality
|
||||
*
|
||||
* @author Scott Sanders (sanders at apache dot org)
|
||||
* @author Marc Johnson
|
||||
* @author Glen Stampoultzis (gstamp@iprimus.com.au)
|
||||
* @version $Id: BitFieldTest.java,v 1.1 2002/12/18 02:50:36 bayard Exp $
|
||||
*/
|
||||
|
||||
public class BitFieldTest
|
||||
extends TestCase
|
||||
{
|
||||
|
||||
public static void main(String[] args) {
|
||||
TestRunner.run(suite());
|
||||
}
|
||||
|
||||
public static Test suite() {
|
||||
TestSuite suite = new TestSuite(BitFieldTest.class);
|
||||
suite.setName("BitField Tests");
|
||||
return suite;
|
||||
}
|
||||
|
||||
private static BitField bf_multi = new BitField(0x3F80);
|
||||
private static BitField bf_single = new BitField(0x4000);
|
||||
|
||||
/**
|
||||
* Constructor BitFieldTest
|
||||
*
|
||||
* @param name
|
||||
*/
|
||||
|
||||
public BitFieldTest(String name)
|
||||
{
|
||||
super(name);
|
||||
}
|
||||
|
||||
/**
|
||||
* test the getValue() method
|
||||
*/
|
||||
|
||||
public void testGetValue()
|
||||
{
|
||||
assertEquals(bf_multi.getValue(-1), 127);
|
||||
assertEquals(bf_multi.getValue(0), 0);
|
||||
assertEquals(bf_single.getValue(-1), 1);
|
||||
assertEquals(bf_single.getValue(0), 0);
|
||||
}
|
||||
|
||||
/**
|
||||
* test the getShortValue() method
|
||||
*/
|
||||
|
||||
public void testGetShortValue()
|
||||
{
|
||||
assertEquals(bf_multi.getShortValue(( short ) -1), ( short ) 127);
|
||||
assertEquals(bf_multi.getShortValue(( short ) 0), ( short ) 0);
|
||||
assertEquals(bf_single.getShortValue(( short ) -1), ( short ) 1);
|
||||
assertEquals(bf_single.getShortValue(( short ) 0), ( short ) 0);
|
||||
}
|
||||
|
||||
/**
|
||||
* test the getRawValue() method
|
||||
*/
|
||||
|
||||
public void testGetRawValue()
|
||||
{
|
||||
assertEquals(bf_multi.getRawValue(-1), 0x3F80);
|
||||
assertEquals(bf_multi.getRawValue(0), 0);
|
||||
assertEquals(bf_single.getRawValue(-1), 0x4000);
|
||||
assertEquals(bf_single.getRawValue(0), 0);
|
||||
}
|
||||
|
||||
/**
|
||||
* test the getShortRawValue() method
|
||||
*/
|
||||
|
||||
public void testGetShortRawValue()
|
||||
{
|
||||
assertEquals(bf_multi.getShortRawValue(( short ) -1),
|
||||
( short ) 0x3F80);
|
||||
assertEquals(bf_multi.getShortRawValue(( short ) 0), ( short ) 0);
|
||||
assertEquals(bf_single.getShortRawValue(( short ) -1),
|
||||
( short ) 0x4000);
|
||||
assertEquals(bf_single.getShortRawValue(( short ) 0), ( short ) 0);
|
||||
}
|
||||
|
||||
/**
|
||||
* test the isSet() method
|
||||
*/
|
||||
|
||||
public void testIsSet()
|
||||
{
|
||||
assertTrue(!bf_multi.isSet(0));
|
||||
for (int j = 0x80; j <= 0x3F80; j += 0x80)
|
||||
{
|
||||
assertTrue(bf_multi.isSet(j));
|
||||
}
|
||||
assertTrue(!bf_single.isSet(0));
|
||||
assertTrue(bf_single.isSet(0x4000));
|
||||
}
|
||||
|
||||
/**
|
||||
* test the isAllSet() method
|
||||
*/
|
||||
|
||||
public void testIsAllSet()
|
||||
{
|
||||
for (int j = 0; j < 0x3F80; j += 0x80)
|
||||
{
|
||||
assertTrue(!bf_multi.isAllSet(j));
|
||||
}
|
||||
assertTrue(bf_multi.isAllSet(0x3F80));
|
||||
assertTrue(!bf_single.isAllSet(0));
|
||||
assertTrue(bf_single.isAllSet(0x4000));
|
||||
}
|
||||
|
||||
/**
|
||||
* test the setValue() method
|
||||
*/
|
||||
|
||||
public void testSetValue()
|
||||
{
|
||||
for (int j = 0; j < 128; j++)
|
||||
{
|
||||
assertEquals(bf_multi.getValue(bf_multi.setValue(0, j)), j);
|
||||
assertEquals(bf_multi.setValue(0, j), j << 7);
|
||||
}
|
||||
|
||||
// verify that excess bits are stripped off
|
||||
assertEquals(bf_multi.setValue(0x3f80, 128), 0);
|
||||
for (int j = 0; j < 2; j++)
|
||||
{
|
||||
assertEquals(bf_single.getValue(bf_single.setValue(0, j)), j);
|
||||
assertEquals(bf_single.setValue(0, j), j << 14);
|
||||
}
|
||||
|
||||
// verify that excess bits are stripped off
|
||||
assertEquals(bf_single.setValue(0x4000, 2), 0);
|
||||
}
|
||||
|
||||
/**
|
||||
* test the setShortValue() method
|
||||
*/
|
||||
|
||||
public void testSetShortValue()
|
||||
{
|
||||
for (int j = 0; j < 128; j++)
|
||||
{
|
||||
assertEquals(bf_multi
|
||||
.getShortValue(bf_multi
|
||||
.setShortValue(( short ) 0, ( short ) j)), ( short ) j);
|
||||
assertEquals(bf_multi.setShortValue(( short ) 0, ( short ) j),
|
||||
( short ) (j << 7));
|
||||
}
|
||||
|
||||
// verify that excess bits are stripped off
|
||||
assertEquals(bf_multi.setShortValue(( short ) 0x3f80, ( short ) 128),
|
||||
( short ) 0);
|
||||
for (int j = 0; j < 2; j++)
|
||||
{
|
||||
assertEquals(bf_single
|
||||
.getShortValue(bf_single
|
||||
.setShortValue(( short ) 0, ( short ) j)), ( short ) j);
|
||||
assertEquals(bf_single.setShortValue(( short ) 0, ( short ) j),
|
||||
( short ) (j << 14));
|
||||
}
|
||||
|
||||
// verify that excess bits are stripped off
|
||||
assertEquals(bf_single.setShortValue(( short ) 0x4000, ( short ) 2),
|
||||
( short ) 0);
|
||||
}
|
||||
|
||||
public void testByte()
|
||||
{
|
||||
assertEquals(1, new BitField(1).setByteBoolean(( byte ) 0, true));
|
||||
assertEquals(2, new BitField(2).setByteBoolean(( byte ) 0, true));
|
||||
assertEquals(4, new BitField(4).setByteBoolean(( byte ) 0, true));
|
||||
assertEquals(8, new BitField(8).setByteBoolean(( byte ) 0, true));
|
||||
assertEquals(16, new BitField(16).setByteBoolean(( byte ) 0, true));
|
||||
assertEquals(32, new BitField(32).setByteBoolean(( byte ) 0, true));
|
||||
assertEquals(64, new BitField(64).setByteBoolean(( byte ) 0, true));
|
||||
assertEquals(-128,
|
||||
new BitField(128).setByteBoolean(( byte ) 0, true));
|
||||
assertEquals(0, new BitField(1).setByteBoolean(( byte ) 1, false));
|
||||
assertEquals(0, new BitField(2).setByteBoolean(( byte ) 2, false));
|
||||
assertEquals(0, new BitField(4).setByteBoolean(( byte ) 4, false));
|
||||
assertEquals(0, new BitField(8).setByteBoolean(( byte ) 8, false));
|
||||
assertEquals(0, new BitField(16).setByteBoolean(( byte ) 16, false));
|
||||
assertEquals(0, new BitField(32).setByteBoolean(( byte ) 32, false));
|
||||
assertEquals(0, new BitField(64).setByteBoolean(( byte ) 64, false));
|
||||
assertEquals(0, new BitField(128).setByteBoolean(( byte ) 128,
|
||||
false));
|
||||
assertEquals(-2, new BitField(1).setByteBoolean(( byte ) 255, false));
|
||||
byte clearedBit = new BitField(0x40).setByteBoolean(( byte ) -63,
|
||||
false);
|
||||
|
||||
assertEquals(false, new BitField(0x40).isSet(clearedBit));
|
||||
}
|
||||
|
||||
/**
|
||||
* test the clear() method
|
||||
*/
|
||||
|
||||
public void testClear()
|
||||
{
|
||||
assertEquals(bf_multi.clear(-1), 0xFFFFC07F);
|
||||
assertEquals(bf_single.clear(-1), 0xFFFFBFFF);
|
||||
}
|
||||
|
||||
/**
|
||||
* test the clearShort() method
|
||||
*/
|
||||
|
||||
public void testClearShort()
|
||||
{
|
||||
assertEquals(bf_multi.clearShort(( short ) -1), ( short ) 0xC07F);
|
||||
assertEquals(bf_single.clearShort(( short ) -1), ( short ) 0xBFFF);
|
||||
}
|
||||
|
||||
/**
|
||||
* test the set() method
|
||||
*/
|
||||
|
||||
public void testSet()
|
||||
{
|
||||
assertEquals(bf_multi.set(0), 0x3F80);
|
||||
assertEquals(bf_single.set(0), 0x4000);
|
||||
}
|
||||
|
||||
/**
|
||||
* test the setShort() method
|
||||
*/
|
||||
|
||||
public void testSetShort()
|
||||
{
|
||||
assertEquals(bf_multi.setShort(( short ) 0), ( short ) 0x3F80);
|
||||
assertEquals(bf_single.setShort(( short ) 0), ( short ) 0x4000);
|
||||
}
|
||||
|
||||
/**
|
||||
* test the setBoolean() method
|
||||
*/
|
||||
|
||||
public void testSetBoolean()
|
||||
{
|
||||
assertEquals(bf_multi.set(0), bf_multi.setBoolean(0, true));
|
||||
assertEquals(bf_single.set(0), bf_single.setBoolean(0, true));
|
||||
assertEquals(bf_multi.clear(-1), bf_multi.setBoolean(-1, false));
|
||||
assertEquals(bf_single.clear(-1), bf_single.setBoolean(-1, false));
|
||||
}
|
||||
|
||||
/**
|
||||
* test the setShortBoolean() method
|
||||
*/
|
||||
|
||||
public void testSetShortBoolean()
|
||||
{
|
||||
assertEquals(bf_multi.setShort(( short ) 0),
|
||||
bf_multi.setShortBoolean(( short ) 0, true));
|
||||
assertEquals(bf_single.setShort(( short ) 0),
|
||||
bf_single.setShortBoolean(( short ) 0, true));
|
||||
assertEquals(bf_multi.clearShort(( short ) -1),
|
||||
bf_multi.setShortBoolean(( short ) -1, false));
|
||||
assertEquals(bf_single.clearShort(( short ) -1),
|
||||
bf_single.setShortBoolean(( short ) -1, false));
|
||||
}
|
||||
|
||||
}
|
|
@ -0,0 +1,91 @@
|
|||
/* ====================================================================
|
||||
* The Apache Software License, Version 1.1
|
||||
*
|
||||
* Copyright (c) 2002 The Apache Software Foundation. All rights
|
||||
* reserved.
|
||||
*
|
||||
* Redistribution and use in source and binary forms, with or without
|
||||
* modification, are permitted provided that the following conditions
|
||||
* are met:
|
||||
*
|
||||
* 1. Redistributions of source code must retain the above copyright
|
||||
* notice, this list of conditions and the following disclaimer.
|
||||
*
|
||||
* 2. Redistributions in binary form must reproduce the above copyright
|
||||
* notice, this list of conditions and the following disclaimer in
|
||||
* the documentation and/or other materials provided with the
|
||||
* distribution.
|
||||
*
|
||||
* 3. The end-user documentation included with the redistribution, if
|
||||
* any, must include the following acknowlegement:
|
||||
* "This product includes software developed by the
|
||||
* Apache Software Foundation (http://www.apache.org/)."
|
||||
* Alternately, this acknowlegement may appear in the software itself,
|
||||
* if and wherever such third-party acknowlegements normally appear.
|
||||
*
|
||||
* 4. The names "The Jakarta Project", "Commons", and "Apache Software
|
||||
* Foundation" must not be used to endorse or promote products derived
|
||||
* from this software without prior written permission. For written
|
||||
* permission, please contact apache@apache.org.
|
||||
*
|
||||
* 5. Products derived from this software may not be called "Apache"
|
||||
* nor may "Apache" appear in their names without prior written
|
||||
* permission of the Apache Software Foundation.
|
||||
*
|
||||
* THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
|
||||
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
|
||||
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
|
||||
* DISCLAIMED. IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR
|
||||
* ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
|
||||
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
|
||||
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
|
||||
* USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
|
||||
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
|
||||
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
|
||||
* OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
|
||||
* SUCH DAMAGE.
|
||||
* ====================================================================
|
||||
*
|
||||
* This software consists of voluntary contributions made by many
|
||||
* individuals on behalf of the Apache Software Foundation. For more
|
||||
* information on the Apache Software Foundation, please see
|
||||
* <http://www.apache.org/>.
|
||||
*/
|
||||
package org.apache.commons.lang.util;
|
||||
|
||||
import junit.framework.Test;
|
||||
import junit.framework.TestCase;
|
||||
import junit.framework.TestSuite;
|
||||
import junit.textui.TestRunner;
|
||||
/**
|
||||
* Test suite for the Util package.
|
||||
*
|
||||
* @author <a href="mailto:bayard@apache.org">Henri Yandell</a>
|
||||
* @version $Id: UtilTestSuite.java,v 1.1 2002/12/18 02:50:36 bayard Exp $
|
||||
*/
|
||||
public class UtilTestSuite extends TestCase {
|
||||
|
||||
/**
|
||||
* Construct a new instance.
|
||||
*/
|
||||
public UtilTestSuite(String name) {
|
||||
super(name);
|
||||
}
|
||||
|
||||
/**
|
||||
* Command-line interface.
|
||||
*/
|
||||
public static void main(String[] args) {
|
||||
TestRunner.run(suite());
|
||||
}
|
||||
|
||||
/**
|
||||
* Get the suite of tests
|
||||
*/
|
||||
public static Test suite() {
|
||||
TestSuite suite = new TestSuite();
|
||||
suite.setName("Commons-Lang-Util Tests");
|
||||
suite.addTest(BitFieldTest.suite());
|
||||
return suite;
|
||||
}
|
||||
}
|
Loading…
Reference in New Issue