#include <exception>
#include <iostream>
using namespace std;

/**********************************
//project -> Properties -> C/C++ -> Code Generation --> Enable C++ Exceptions
//選擇  Yes with SEH Exceptions (/EHa)  這樣的話C++的try catch 也可以捕獲到空指針，內存越界，0除異常
//默認是選擇Yes (/EHsc)
**********************************/

void TestIntType()
{
	try
	{
		throw 1;
	}
	catch(...)
	{
		cout<< "在 try block 中, 準備拋出一個異常." << endl;
	}
}

void TestDoubleType()
{
	try
	{
		throw 0.5;
	}
	catch(...)
	{
		cout<< "在 try block 中, 準備拋出一個異常." << endl;
	}
}

void TestEmptyPointType()
{
	try
	{
		int* p = NULL;
		*p = 3;
	}
	catch(...)
	{
		cout<< "非法地址操作異常" << endl;
	}
}

void TestDivZeroType()
{
	try
	{
		int b = 0;
		int a = 3/b;
	}
	catch(...)
	{
		cout<< "0除異常" << endl;
	}
}

void TestMemoryOutType()
{
	int * a = new int[4];
	try
	{
		for (int i = 0; i<245; i++)
		{
			a++;
		}
		*a = 3;
	}
	catch(...)
	{
		cout<< "內存越界異常" << endl;
	}
}

int main(int argc, char* argv[])
{
	TestEmptyPointType();
	//TestDivZeroType();
	TestMemoryOutType();
	return 1;
}