timestamptest.cpp

来自「C++ class libraries for network-centric,」· C++ 代码 · 共 123 行

//
// TimestampTest.cpp
//
// $Id: //poco/1.2/Foundation/testsuite/src/TimestampTest.cpp#1 $
//
// Copyright (c) 2004-2006, Applied Informatics Software Engineering GmbH.
// and Contributors.
//
// Permission is hereby granted, free of charge, to any person or organization
// obtaining a copy of the software and accompanying documentation covered by
// this license (the "Software") to use, reproduce, display, distribute,
// execute, and transmit the Software, and to prepare derivative works of the
// Software, and to permit third-parties to whom the Software is furnished to
// do so, all subject to the following:
// 
// The copyright notices in the Software and this entire statement, including
// the above license grant, this restriction and the following disclaimer,
// must be included in all copies of the Software, in whole or in part, and
// all derivative works of the Software, unless such copies or derivative
// works are solely in the form of machine-executable object code generated by
// a source language processor.
// 
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE, TITLE AND NON-INFRINGEMENT. IN NO EVENT
// SHALL THE COPYRIGHT HOLDERS OR ANYONE DISTRIBUTING THE SOFTWARE BE LIABLE
// FOR ANY DAMAGES OR OTHER LIABILITY, WHETHER IN CONTRACT, TORT OR OTHERWISE,
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// DEALINGS IN THE SOFTWARE.
//


#include "TimestampTest.h"
#include "CppUnit/TestCaller.h"
#include "CppUnit/TestSuite.h"
#include "Poco/Timestamp.h"
#include "Poco/Thread.h"


using Poco::Timestamp;
using Poco::Thread;


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


TimestampTest::~TimestampTest()
{
}


void TimestampTest::testTimestamp()
{
	Timestamp t1;
	Thread::sleep(200);
	Timestamp t2;
	Timestamp t3 = t2;
	assert (t1 != t2);
	assert (!(t1 == t2));
	assert (t2 > t1);
	assert (t2 >= t1);
	assert (!(t1 > t2));
	assert (!(t1 >= t2));
	assert (t2 == t3);
	assert (!(t2 != t3));
	assert (t2 >= t3);
	assert (t2 <= t3);
	Timestamp::TimeDiff d = (t2 - t1);
	assert (d >= 180000 && d <= 300000);
	
	t1.swap(t2);
	assert (t1 > t2);
	t2.swap(t1);
	
	Timestamp::UtcTimeVal tv = t1.utcTime();
	Timestamp t4 = Timestamp::fromUtcTime(tv);
	assert (t1 == t4);
	
	Timestamp epoch(0);
	tv = epoch.utcTime();
	assert (tv >> 32 == 0x01B21DD2);
	assert ((tv & 0xFFFFFFFF) == 0x13814000);
	
	Timestamp now;
	Thread::sleep(201);
	assert (now.elapsed() >= 200000);
	assert (now.isElapsed(200000));
	assert (!now.isElapsed(2000000));
	
#if defined(_WIN32)
	{
		Timestamp now;
		Poco::UInt32 low;
		Poco::UInt32 high;
		now.toFileTimeNP(low, high);
		Timestamp ts = Timestamp::fromFileTimeNP(low, high);
		assert (now == ts);
	}
#endif
}


void TimestampTest::setUp()
{
}


void TimestampTest::tearDown()
{
}


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

	CppUnit_addTest(pSuite, TimestampTest, testTimestamp);

	return pSuite;
}