b64f8b07c1
git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@119395 91177308-0d34-0410-b5e6-96231b3b80d8
64 lines
1.3 KiB
C++
64 lines
1.3 KiB
C++
//===----------------------------------------------------------------------===//
|
|
//
|
|
// 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);
|
|
}
|