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/*
* steghide 0.5.1 - a steganography program
* Copyright (C) 1999-2003 Stefan Hetzl <shetzl@chello.at>
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*
*/
#include "WavPCMSampleValueTest.h"
#include "utcommon.h"
#include "WavPCMSampleValue.h"
#include "CvrStgFile.h"
WavPCMSampleValueTest::WavPCMSampleValueTest (TestSuite* s)
: SampleValueTest ("WavPCMSampleValue", s)
{
ADDTESTCATEGORY (WavPCMSampleValueTest, testDistance) ;
ADDTESTCATEGORY (WavPCMSampleValueTest, testIsNeighbour) ;
}
void WavPCMSampleValueTest::setup ()
{
UnitTest::setup() ;
Globs.reset() ;
f_WavPCM8 = CvrStgFile::readFile (std::string(DATADIR) + "pcm8_std.wav") ;
sv_WavPCM8_0 = new WavPCMSampleValue (0) ;
sv_WavPCM8_1 = new WavPCMSampleValue (1) ;
sv_WavPCM8_45 = new WavPCMSampleValue (45) ;
gl_WavPCM8 = Globs ;
Globs.reset() ;
f_WavPCM16 = CvrStgFile::readFile (std::string(DATADIR) + "pcm16_std.wav") ;
sv_WavPCM16_m32768 = new WavPCMSampleValue (-32768) ;
sv_WavPCM16_32767 = new WavPCMSampleValue (32767) ;
sv_WavPCM16_0 = new WavPCMSampleValue (0) ;
sv_WavPCM16_15 = new WavPCMSampleValue (15) ;
gl_WavPCM16 = Globs ;
}
void WavPCMSampleValueTest::cleanup ()
{
UnitTest::cleanup() ;
delete f_WavPCM8 ; delete f_WavPCM16 ;
delete sv_WavPCM8_0 ; delete sv_WavPCM8_1 ; delete sv_WavPCM8_45 ;
delete sv_WavPCM16_m32768 ; delete sv_WavPCM16_32767 ; delete sv_WavPCM16_0 ; delete sv_WavPCM16_15 ;
}
void WavPCMSampleValueTest::testDistance ()
{
Globs = gl_WavPCM8 ;
addTestResult (genericTestDistance (sv_WavPCM8_0, sv_WavPCM8_1, 1)) ;
addTestResult (genericTestDistance (sv_WavPCM8_1, sv_WavPCM8_45, 44)) ;
Globs = gl_WavPCM16 ;
addTestResult (genericTestDistance (sv_WavPCM16_0, sv_WavPCM16_15, 15)) ;
addTestResult (genericTestDistance (sv_WavPCM16_15, sv_WavPCM16_32767, 32752)) ;
addTestResult (genericTestDistance (sv_WavPCM16_m32768, sv_WavPCM16_32767, 65535)) ;
}
void WavPCMSampleValueTest::testIsNeighbour ()
{
Globs = gl_WavPCM8 ;
addTestResult (genericTestIsNeighbour (sv_WavPCM8_0, sv_WavPCM8_1, true)) ;
addTestResult (genericTestIsNeighbour (sv_WavPCM8_0, sv_WavPCM8_45, false)) ;
Globs = gl_WavPCM16 ;
addTestResult (genericTestIsNeighbour (sv_WavPCM16_0, sv_WavPCM16_15, true)) ;
addTestResult (genericTestIsNeighbour (sv_WavPCM16_m32768, sv_WavPCM16_0, false)) ;
addTestResult (genericTestIsNeighbour (sv_WavPCM16_m32768, sv_WavPCM16_32767, false)) ;
}
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