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// Copyright (c) 2005, Matthew J. Rutherford <rutherfo@cs.colorado.edu>
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// Copyright (c) 2005, University of Colorado at Boulder
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// All rights reserved.
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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 are
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// * 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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// * Redistributions in binary form must reproduce the above copyright
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// notice, this list of conditions and the following disclaimer in the
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// documentation and/or other materials provided with the distribution.
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// * Neither the name of the University of Colorado at Boulder nor the
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// names of its contributors may be used to endorse or promote
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// products derived from this software without specific prior written
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// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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// OWNER OR 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 USE,
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// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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package org.xbill.DNS.utils;
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import junit.framework.TestCase;
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public class base16Test extends TestCase
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public base16Test( String name )
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public void test_toString_emptyArray()
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String out = base16.toString( new byte[ 0 ] );
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assertEquals( "", out );
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public void test_toString_singleByte1()
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byte[] data = { (byte)1 };
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String out = base16.toString( data );
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assertEquals( "01", out );
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public void test_toString_singleByte2()
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byte[] data = { (byte)16 };
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String out = base16.toString( data );
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assertEquals( "10", out );
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public void test_toString_singleByte3()
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byte[] data = { (byte)255 };
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String out = base16.toString( data );
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assertEquals( "FF", out );
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public void test_toString_array1()
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byte[] data = { 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15 };
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String out = base16.toString( data );
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assertEquals( "0102030405060708090A0B0C0D0E0F", out );
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public void test_fromString_emptyString()
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byte[] out = base16.fromString( data );
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assertEquals( 0, out.length );
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public void test_fromString_invalidStringLength()
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byte[] out = base16.fromString( data );
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public void test_fromString_nonHexChars()
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byte[] out = base16.fromString( data );
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* the output is basically encoded as (-1<<4) + -1, not sure
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* we want an assertion for this.
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public void test_fromString_normal()
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String data = "0102030405060708090A0B0C0D0E0F";
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byte[] out = base16.fromString( data );
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byte[] exp = { 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15 };
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assertEquals( exp.length, out.length );
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for( int i=0; i<exp.length; ++i ){
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assertEquals( exp[i], out[i] );