1//===----------------------------------------------------------------------===//
2//
3//                     The LLVM Compiler Infrastructure
4//
5// This file is dual licensed under the MIT and the University of Illinois Open
6// Source Licenses. See LICENSE.TXT for details.
7//
8//===----------------------------------------------------------------------===//
9
10#ifndef TEST_COMPARE_H
11#define TEST_COMPARE_H
12
13#include <cstddef>
14#include <type_traits>
15#include <cstdlib>
16#include <new>
17#include <climits>
18
19template <class C>
20class test_compare
21    : private C
22{
23    int data_;
24public:
25    explicit test_compare(int data = 0) : data_(data) {}
26
27    typename C::result_type
28    operator()(typename std::add_lvalue_reference<const typename C::first_argument_type>::type x,
29               typename std::add_lvalue_reference<const typename C::second_argument_type>::type y) const
30        {return C::operator()(x, y);}
31
32    bool operator==(const test_compare& c) const
33        {return data_ == c.data_;}
34};
35
36#endif  // TEST_COMPARE_H
37