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//===----------------------------------------------------------------------===//
//
// The LLVM Compiler Infrastructure
//
// This file is dual licensed under the MIT and the University of Illinois Open
// Source Licenses. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
// <memory>
// allocator:
// pointer allocate(size_type n, allocator<void>::const_pointer hint=0);
#include <memory>
#include <new>
#include <cstdlib>
#include <cassert>
int new_called = 0;
void* operator new(std::size_t s) throw(std::bad_alloc)
{
++new_called;
assert(s == 3 * sizeof(int));
return std::malloc(s);
}
void operator delete(void* p) throw()
{
--new_called;
std::free(p);
}
int A_constructed = 0;
struct A
{
int data;
A() {++A_constructed;}
A(const A&) {++A_constructed;}
~A() {--A_constructed;}
};
int main()
{
std::allocator<A> a;
assert(new_called == 0);
assert(A_constructed == 0);
A* ap = a.allocate(3);
assert(new_called == 1);
assert(A_constructed == 0);
a.deallocate(ap, 3);
assert(new_called == 0);
assert(A_constructed == 0);
A* ap2 = a.allocate(3, (const void*)5);
assert(new_called == 1);
assert(A_constructed == 0);
a.deallocate(ap2, 3);
assert(new_called == 0);
assert(A_constructed == 0);
}
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