vectordequecompare.cpp

来自「Depue_Vector两种容器的比较」· C++ 代码 · 共 74 行

#include "VectorDequeCompare.h"

int main()
{
	CVectorDequeTest m_VectorDequeTest;


	system("pause");

	m_VectorDequeTest.ReadTestFile("c:\\thunder_comlib.log",FM_VECTOR);

	system("pause");

	m_VectorDequeTest.ReadTestFile("c:\\thunder_comlib.log",FM_DEQUE); 

	return 0;
}


CVectorDequeTest::CVectorDequeTest()
{
	m_vData.reserve(1000000);//试验加入大量数据之前调用reserve()，和deque进行比较，看它们的内存分配和执行效率怎么样？
}



CVectorDequeTest::~CVectorDequeTest()
{

}



void CVectorDequeTest::ReadTestFile(const char* szFile, int iMode)

{        
	char buff[0xFFFF] = {0}; 

	std::ifstream inFile;

	inFile.open(szFile);


//	assert(m_vData.empty()&&m_vData.size()==0);

	while(!inFile.eof())
	{

		inFile.getline(buff, sizeof(buff));



		if(iMode == FM_VECTOR)
			m_vData.push_back(buff);
		else if(iMode == FM_DEQUE)
			m_dData.push_back(buff);

	}        



	inFile.close();
}  

void WriteLog(const char *sLog)
{
	std::fstream logfile("c:\\Log.Txt", std::ios::in | std::ios::out | std::ios::ate );


	logfile <<sLog<<"\n"; // 写一条新记录

//	logfile.write(sLog);

}