| |
| // Copyright 2008-2009 Daniel James. |
| // Distributed under the Boost Software License, Version 1.0. (See accompanying |
| // file LICENSE_1_0.txt or move at http://www.boost.org/LICENSE_1_0.txt) |
| |
| #if !defined(BOOST_UNORDERED_TEST_HELPERS_COUNT_HEAD) |
| #define BOOST_UNORDERED_TEST_HELPERS_COUNT_HEAD |
| |
| #include <iostream> |
| |
| namespace test { |
| struct object_count { |
| int instances; |
| int constructions; |
| |
| object_count() : instances(0), constructions(0) {} |
| void reset() { *this = object_count(); } |
| |
| void construct() { |
| ++instances; |
| ++constructions; |
| } |
| |
| void destruct() { |
| if(instances == 0) { |
| BOOST_ERROR("Unbalanced constructions."); |
| } |
| else { |
| --instances; |
| } |
| } |
| |
| bool operator==(object_count const& x) const { |
| return instances == x.instances && |
| constructions == x.constructions; |
| } |
| |
| bool operator!=(object_count const& x) const { |
| return !(*this == x); |
| } |
| |
| friend std::ostream& operator<<(std::ostream& out, |
| object_count const& c) |
| { |
| out |
| << "[instances: " |
| << c.instances |
| << ", constructions: " |
| << c.constructions |
| << "]"; |
| return out; |
| } |
| }; |
| |
| template <class T> |
| struct counted_object |
| { |
| static object_count count_; |
| |
| counted_object() { count_.construct(); } |
| counted_object(counted_object const&) { count_.construct(); } |
| ~counted_object() { count_.destruct(); } |
| }; |
| |
| template <class T> object_count counted_object<T>::count_; |
| |
| struct globally_counted_object |
| : counted_object<globally_counted_object> {}; |
| |
| // This won't be a problem as I'm only using a single compile unit |
| // in each test (this is actually require by the minimal test |
| // framework). |
| // |
| // boostinspect:nounnamed |
| namespace { |
| object_count& global_object_count = globally_counted_object::count_; |
| } |
| } |
| |
| #endif |