C++ try catch 捕获空指针异常，数组越界异常

#include 
#include 
using namespace std;

/**********************************
//project -> Properties -> C/C++ -> Code Generation --> Enable C++ Exceptions
//选择  Yes with SEH Exceptions (/EHa)  这样的话C++的try catch 也可以捕获到空指针，内存越界，0除异常
//默认是选择Yes (/EHsc)
**********************************/

void TestIntType()
{
	try
	{
		throw 1;
	}
	catch(...)
	{
		cout<< "在 try block 中, 准备抛出一个异常." << endl;
	}
}

void TestDoubleType()
{
	try
	{
		throw 0.5;
	}
	catch(...)
	{
		cout<< "在 try block 中, 准备抛出一个异常." << endl;
	}
}

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

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

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

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

转载于:https://www.cnblogs.com/yuzhould/p/4454243.html