cxx/test/language.support/support.dynamic/new.delete/new.delete.single/new_nothrow.pass.cpp
Howard Hinnant cf6dcc35e1 Fixing whitespace problems
git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@111760 91177308-0d34-0410-b5e6-96231b3b80d8
2010-08-22 00:31:12 +00:00

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1.0 KiB
C++

//===----------------------------------------------------------------------===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
// test operator new (nothrow)
#include <new>
#include <cstddef>
#include <cassert>
#include <limits>
int new_handler_called = 0;
void new_handler()
{
++new_handler_called;
std::set_new_handler(0);
}
bool A_constructed = false;
struct A
{
A() {A_constructed = true;}
~A() {A_constructed = false;}
};
int main()
{
std::set_new_handler(new_handler);
try
{
void* vp = operator new (std::numeric_limits<std::size_t>::max(), std::nothrow);
assert(new_handler_called == 1);
assert(vp == 0);
}
catch (...)
{
assert(false);
}
A* ap = new(std::nothrow) A;
assert(ap);
assert(A_constructed);
delete ap;
assert(!A_constructed);
}