byteordertest.cpp

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//
// ByteOrderTest.cpp
//
// $Id: //poco/Main/Foundation/testsuite/src/ByteOrderTest.cpp#5 $
//
// Copyright (c) 2004, Guenter Obiltschnig/Applied Informatics.
// 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. Redistributions in any form must be accompanied by information on
//    how to obtain complete source code for this software and any
//    accompanying software that uses this software.  The source code
//    must either be included in the distribution or be available for no
//    more than the cost of distribution plus a nominal fee, and must be
//    freely redistributable under reasonable conditions.  For an
//    executable file, complete source code means the source code for all
//    modules it contains.  It does not include source code for modules or
//    files that typically accompany the major components of the operating
//    system on which the executable file runs.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
// "AS IS" AND ANY EXPRESS 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
// COPYRIGHT OWNER OR 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
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// POSSIBILITY OF SUCH DAMAGE.
//


#include "ByteOrderTest.h"
#include "CppUnit/TestCaller.h"
#include "CppUnit/TestSuite.h"
#include "Foundation/ByteOrder.h"


using Foundation::ByteOrder;
using Foundation::Int16;
using Foundation::UInt16;
using Foundation::Int32;
using Foundation::UInt32;
#if defined(POCO_HAVE_INT64)
using Foundation::Int64;
using Foundation::UInt64;
#endif


ByteOrderTest::ByteOrderTest(const std::string& name): CppUnit::TestCase(name)
{
}


ByteOrderTest::~ByteOrderTest()
{
}


void ByteOrderTest::testByteOrderFlip()
{
	{
		Int16 norm = (Int16) 0xAABB;
		Int16 flip = ByteOrder::flipBytes(norm);
		assert (UInt16(flip) == 0xBBAA);
		flip = ByteOrder::flipBytes(flip);
		assert (flip == norm);
	}
	{
		UInt16 norm = (UInt16) 0xAABB;
		UInt16 flip = ByteOrder::flipBytes(norm);
		assert (flip == 0xBBAA);
		flip = ByteOrder::flipBytes(flip);
		assert (flip == norm);
	}
	{
		Int32 norm = 0xAABBCCDD;
		Int32 flip = ByteOrder::flipBytes(norm);
		assert (UInt32(flip) == 0xDDCCBBAA);
		flip = ByteOrder::flipBytes(flip);
		assert (flip == norm);
	}
	{
		UInt32 norm = 0xAABBCCDD;
		UInt32 flip = ByteOrder::flipBytes(norm);
		assert (flip == 0xDDCCBBAA);
		flip = ByteOrder::flipBytes(flip);
		assert (flip == norm);
	}
	#if defined(POCO_HAVE_INT64)
	{
		Int64 norm = (Int64(0x8899AABB) << 32) + 0xCCDDEEFF;
		Int64 flip = ByteOrder::flipBytes(norm);
		assert (flip == (Int64(0xFFEEDDCC) << 32) + 0xBBAA9988);
		flip = ByteOrder::flipBytes(flip);
		assert (flip == norm);
	}
	{
		UInt64 norm = (UInt64(0x8899AABB) << 32) + 0xCCDDEEFF;
		UInt64 flip = ByteOrder::flipBytes(norm);
		assert (flip == (UInt64(0xFFEEDDCC) << 32) + 0xBBAA9988);
		flip = ByteOrder::flipBytes(flip);
		assert (flip == norm);
	}
	#endif
}


void ByteOrderTest::testByteOrderBigEndian()
{
#if defined(POCO_ARCH_BIG_ENDIAN)
	//
	// big-endian systems
	//
	{
		Int16 norm = 4;
		Int16 flip = ByteOrder::toBigEndian(norm);
		assert (norm == flip);
	}
	{
		UInt16 norm = 4;
		UInt16 flip = ByteOrder::toBigEndian(norm);
		assert (norm == flip);
	}
	{
		Int32 norm = 4;
		Int32 flip = ByteOrder::toBigEndian(norm);
		assert (norm == flip);
	}
	{
		UInt32 norm = 4;
		UInt32 flip = ByteOrder::toBigEndian(norm);
		assert (norm == flip);
	}
	#if defined(POCO_HAVE_INT64)
	{
		Int64 norm = 4;
		Int64 flip = ByteOrder::toBigEndian(norm);
		assert (norm == flip);
	}
	{
		UInt64 norm = 4;
		UInt64 flip = ByteOrder::toBigEndian(norm);
		assert (norm == flip);
	}
	#endif
	
	{
		Int16 norm = 4;
		Int16 flip = ByteOrder::fromBigEndian(norm);
		assert (norm == flip);
	}
	{
		UInt16 norm = 4;
		UInt16 flip = ByteOrder::fromBigEndian(norm);
		assert (norm == flip);
	}
	{
		Int32 norm = 4;
		Int32 flip = ByteOrder::fromBigEndian(norm);
		assert (norm == flip);
	}
	{
		UInt32 norm = 4;
		UInt32 flip = ByteOrder::fromBigEndian(norm);
		assert (norm == flip);
	}
	#if defined(POCO_HAVE_INT64)
	{
		Int64 norm = 4;
		Int64 flip = ByteOrder::fromBigEndian(norm);
		assert (norm == flip);
	}
	{
		UInt64 norm = 4;
		UInt64 flip = ByteOrder::fromBigEndian(norm);
		assert (norm == flip);
	}
	#endif
#else
	//
	// little-endian systems
	//
	{
		Int16 norm = 4;
		Int16 flip = ByteOrder::toBigEndian(norm);
		assert (norm != flip);
		flip = ByteOrder::flipBytes(flip);
		assert (norm == flip);
	}
	{
		UInt16 norm = 4;
		UInt16 flip = ByteOrder::toBigEndian(norm);
		assert (norm != flip);
		flip = ByteOrder::flipBytes(flip);
		assert (norm == flip);
	}
	{
		Int32 norm = 4;
		Int32 flip = ByteOrder::toBigEndian(norm);
		assert (norm != flip);
		flip = ByteOrder::flipBytes(flip);
		assert (norm == flip);
	}
	{
		UInt32 norm = 4;
		UInt32 flip = ByteOrder::toBigEndian(norm);
		assert (norm != flip);
		flip = ByteOrder::flipBytes(flip);
		assert (norm == flip);
	}
	#if defined(POCO_HAVE_INT64)
	{
		Int64 norm = 4;
		Int64 flip = ByteOrder::toBigEndian(norm);
		assert (norm != flip);
		flip = ByteOrder::flipBytes(flip);
		assert (norm == flip);
	}
	{
		UInt64 norm = 4;
		UInt64 flip = ByteOrder::toBigEndian(norm);
		assert (norm != flip);
		flip = ByteOrder::flipBytes(flip);
		assert (norm == flip);
	}
	#endif
	
	{
		Int16 norm = 4;
		Int16 flip = ByteOrder::fromBigEndian(norm);
		assert (norm != flip);
		flip = ByteOrder::flipBytes(flip);
		assert (norm == flip);
	}
	{
		UInt16 norm = 4;
		UInt16 flip = ByteOrder::fromBigEndian(norm);
		assert (norm != flip);
		flip = ByteOrder::flipBytes(flip);
		assert (norm == flip);
	}
	{
		Int32 norm = 4;
		Int32 flip = ByteOrder::fromBigEndian(norm);
		assert (norm != flip);
		flip = ByteOrder::flipBytes(flip);
		assert (norm == flip);
	}
	{
		UInt32 norm = 4;
		UInt32 flip = ByteOrder::fromBigEndian(norm);
		assert (norm != flip);
		flip = ByteOrder::flipBytes(flip);
		assert (norm == flip);
	}
	#if defined(POCO_HAVE_INT64)
	{
		Int64 norm = 4;
		Int64 flip = ByteOrder::fromBigEndian(norm);
		assert (norm != flip);
		flip = ByteOrder::flipBytes(flip);
		assert (norm == flip);
	}
	{
		UInt64 norm = 4;
		UInt64 flip = ByteOrder::fromBigEndian(norm);
		assert (norm != flip);
		flip = ByteOrder::flipBytes(flip);
		assert (norm == flip);
	}
	#endif
#endif
}


void ByteOrderTest::testByteOrderLittleEndian()
{
#if defined(POCO_ARCH_LITTLE_ENDIAN)
	//
	// big-endian systems
	//
	{
		Int16 norm = 4;
		Int16 flip = ByteOrder::toLittleEndian(norm);
		assert (norm == flip);
	}
	{
		UInt16 norm = 4;
		UInt16 flip = ByteOrder::toLittleEndian(norm);
		assert (norm == flip);
	}
	{
		Int32 norm = 4;
		Int32 flip = ByteOrder::toLittleEndian(norm);
		assert (norm == flip);
	}
	{
		UInt32 norm = 4;
		UInt32 flip = ByteOrder::toLittleEndian(norm);
		assert (norm == flip);
	}
	#if defined(POCO_HAVE_INT64)
	{
		Int64 norm = 4;
		Int64 flip = ByteOrder::toLittleEndian(norm);
		assert (norm == flip);
	}
	{
		UInt64 norm = 4;
		UInt64 flip = ByteOrder::toLittleEndian(norm);
		assert (norm == flip);
	}
	#endif
	
	{
		Int16 norm = 4;
		Int16 flip = ByteOrder::toLittleEndian(norm);
		assert (norm == flip);
	}
	{
		UInt16 norm = 4;
		UInt16 flip = ByteOrder::toLittleEndian(norm);
		assert (norm == flip);
	}
	{
		Int32 norm = 4;
		Int32 flip = ByteOrder::toLittleEndian(norm);
		assert (norm == flip);
	}
	{
		UInt32 norm = 4;
		UInt32 flip = ByteOrder::toLittleEndian(norm);
		assert (norm == flip);
	}
	#if defined(POCO_HAVE_INT64)
	{
		Int64 norm = 4;
		Int64 flip = ByteOrder::toLittleEndian(norm);
		assert (norm == flip);
	}
	{
		UInt64 norm = 4;
		UInt64 flip = ByteOrder::toLittleEndian(norm);
		assert (norm == flip);
	}
	#endif
#else
	//
	// little-endian systems
	//
	{
		Int16 norm = 4;
		Int16 flip = ByteOrder::toLittleEndian(norm);
		assert (norm != flip);
		flip = ByteOrder::flipBytes(flip);
		assert (norm == flip);
	}
	{
		UInt16 norm = 4;
		UInt16 flip = ByteOrder::toLittleEndian(norm);
		assert (norm != flip);
		flip = ByteOrder::flipBytes(flip);
		assert (norm == flip);
	}
	{
		Int32 norm = 4;
		Int32 flip = ByteOrder::toLittleEndian(norm);
		assert (norm != flip);
		flip = ByteOrder::flipBytes(flip);
		assert (norm == flip);
	}
	{
		UInt32 norm = 4;
		UInt32 flip = ByteOrder::toLittleEndian(norm);
		assert (norm != flip);
		flip = ByteOrder::flipBytes(flip);
		assert (norm == flip);
	}
	#if defined(POCO_HAVE_INT64)
	{
		Int64 norm = 4;
		Int64 flip = ByteOrder::toLittleEndian(norm);
		assert (norm != flip);
		flip = ByteOrder::flipBytes(flip);
		assert (norm == flip);
	}
	{
		UInt64 norm = 4;
		UInt64 flip = ByteOrder::toLittleEndian(norm);
		assert (norm != flip);
		flip = ByteOrder::flipBytes(flip);
		assert (norm == flip);
	}
	#endif
	
	{
		Int16 norm = 4;
		Int16 flip = ByteOrder::fromLittleEndian(norm);
		assert (norm != flip);
		flip = ByteOrder::flipBytes(flip);
		assert (norm == flip);
	}
	{
		UInt16 norm = 4;
		UInt16 flip = ByteOrder::fromLittleEndian(norm);
		assert (norm != flip);
		flip = ByteOrder::flipBytes(flip);
		assert (norm == flip);
	}
	{
		Int32 norm = 4;
		Int32 flip = ByteOrder::fromLittleEndian(norm);
		assert (norm != flip);
		flip = ByteOrder::flipBytes(flip);
		assert (norm == flip);
	}
	{
		UInt32 norm = 4;
		UInt32 flip = ByteOrder::fromLittleEndian(norm);
		assert (norm != flip);
		flip = ByteOrder::flipBytes(flip);
		assert (norm == flip);
	}
	#if defined(POCO_HAVE_INT64)
	{
		Int64 norm = 4;
		Int64 flip = ByteOrder::fromLittleEndian(norm);
		assert (norm != flip);
		flip = ByteOrder::flipBytes(flip);
		assert (norm == flip);
	}
	{
		UInt64 norm = 4;
		UInt64 flip = ByteOrder::fromLittleEndian(norm);
		assert (norm != flip);
		flip = ByteOrder::flipBytes(flip);
		assert (norm == flip);
	}
	#endif
#endif
}


void ByteOrderTest::testByteOrderNetwork()
{
#if defined(POCO_ARCH_BIG_ENDIAN)
	//
	// big-endian systems
	//
	{
		Int16 norm = 4;
		Int16 flip = ByteOrder::toNetwork(norm);
		assert (norm == flip);
	}
	{
		UInt16 norm = 4;
		UInt16 flip = ByteOrder::toNetwork(norm);
		assert (norm == flip);
	}
	{
		Int32 norm = 4;
		Int32 flip = ByteOrder::toNetwork(norm);
		assert (norm == flip);
	}
	{
		UInt32 norm = 4;
		UInt32 flip = ByteOrder::toNetwork(norm);
		assert (norm == flip);
	}
	#if defined(POCO_HAVE_INT64)
	{
		Int64 norm = 4;
		Int64 flip = ByteOrder::toNetwork(norm);
		assert (norm == flip);
	}
	{
		UInt64 norm = 4;
		UInt64 flip = ByteOrder::toNetwork(norm);
		assert (norm == flip);
	}
	#endif
	
	{
		Int16 norm = 4;
		Int16 flip = ByteOrder::fromNetwork(norm);
		assert (norm == flip);
	}
	{
		UInt16 norm = 4;
		UInt16 flip = ByteOrder::fromNetwork(norm);
		assert (norm == flip);
	}
	{
		Int32 norm = 4;
		Int32 flip = ByteOrder::fromNetwork(norm);
		assert (norm == flip);
	}
	{
		UInt32 norm = 4;
		UInt32 flip = ByteOrder::fromNetwork(norm);
		assert (norm == flip);
	}
	#if defined(POCO_HAVE_INT64)
	{
		Int64 norm = 4;
		Int64 flip = ByteOrder::fromNetwork(norm);
		assert (norm == flip);
	}
	{
		UInt64 norm = 4;
		UInt64 flip = ByteOrder::fromNetwork(norm);
		assert (norm == flip);
	}
	#endif
#else
	//
	// little-endian systems
	//
	{
		Int16 norm = 4;
		Int16 flip = ByteOrder::toNetwork(norm);
		assert (norm != flip);
		flip = ByteOrder::flipBytes(flip);
		assert (norm == flip);
	}
	{
		UInt16 norm = 4;
		UInt16 flip = ByteOrder::toNetwork(norm);
		assert (norm != flip);
		flip = ByteOrder::flipBytes(flip);
		assert (norm == flip);
	}
	{
		Int32 norm = 4;
		Int32 flip = ByteOrder::toNetwork(norm);
		assert (norm != flip);
		flip = ByteOrder::flipBytes(flip);
		assert (norm == flip);
	}
	{
		UInt32 norm = 4;
		UInt32 flip = ByteOrder::toNetwork(norm);
		assert (norm != flip);
		flip = ByteOrder::flipBytes(flip);
		assert (norm == flip);
	}
	#if defined(POCO_HAVE_INT64)
	{
		Int64 norm = 4;
		Int64 flip = ByteOrder::toNetwork(norm);
		assert (norm != flip);
		flip = ByteOrder::flipBytes(flip);
		assert (norm == flip);
	}
	{
		UInt64 norm = 4;
		UInt64 flip = ByteOrder::toNetwork(norm);
		assert (norm != flip);
		flip = ByteOrder::flipBytes(flip);
		assert (norm == flip);
	}
	#endif
	
	{
		Int16 norm = 4;
		Int16 flip = ByteOrder::fromNetwork(norm);
		assert (norm != flip);
		flip = ByteOrder::flipBytes(flip);
		assert (norm == flip);
	}
	{
		UInt16 norm = 4;
		UInt16 flip = ByteOrder::fromNetwork(norm);
		assert (norm != flip);
		flip = ByteOrder::flipBytes(flip);
		assert (norm == flip);
	}
	{
		Int32 norm = 4;
		Int32 flip = ByteOrder::fromNetwork(norm);
		assert (norm != flip);
		flip = ByteOrder::flipBytes(flip);
		assert (norm == flip);
	}
	{
		UInt32 norm = 4;
		UInt32 flip = ByteOrder::fromNetwork(norm);
		assert (norm != flip);
		flip = ByteOrder::flipBytes(flip);
		assert (norm == flip);
	}
	#if defined(POCO_HAVE_INT64)
	{
		Int64 norm = 4;
		Int64 flip = ByteOrder::fromNetwork(norm);
		assert (norm != flip);
		flip = ByteOrder::flipBytes(flip);
		assert (norm == flip);
	}
	{
		UInt64 norm = 4;
		UInt64 flip = ByteOrder::fromNetwork(norm);
		assert (norm != flip);
		flip = ByteOrder::flipBytes(flip);
		assert (norm == flip);
	}
	#endif
#endif
}


void ByteOrderTest::setUp()
{
}


void ByteOrderTest::tearDown()
{
}


CppUnit::Test* ByteOrderTest::suite()
{
	CppUnit::TestSuite* pSuite = new CppUnit::TestSuite("ByteOrderTest");

	CppUnit_addTest(pSuite, ByteOrderTest, testByteOrderFlip);
	CppUnit_addTest(pSuite, ByteOrderTest, testByteOrderBigEndian);
	CppUnit_addTest(pSuite, ByteOrderTest, testByteOrderLittleEndian);
	CppUnit_addTest(pSuite, ByteOrderTest, testByteOrderNetwork);

	return pSuite;
}