newexcp.cpp
来源: 友元、异常和其他
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原始代码预览
// newexcp.cpp -- the bad_alloc exception
#include <iostream>
#include <new>
#include <cstdlib> // for exit(), EXIT_FAILURE
using namespace std;
struct Big
{
double stuff[20000];
};
int main()
{
Big * pb;
try {
cout << "Trying to get a big block of memory:\n";
pb = new Big[10000]; // 1,600,000,000 bytes
cout << "Got past the new request:\n";
}
catch (bad_alloc & ba)
{
cout << "Caught the exception!\n";
cout << ba.what() << endl;
exit(EXIT_FAILURE);
}
cout << "Memory successfully allocated\n";
pb[0].stuff[0] = 4;
cout << pb[0].stuff[0] << endl;
delete [] pb;
// cin.get();
return 0;
}
运行结果 / 调试信息
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