cxx/test/utilities/utility/pairs/pairs.spec/comparison.pass.cpp

96 lines
2.7 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.
//
//===----------------------------------------------------------------------===//
// <utility>
// template <class T1, class T2> struct pair
// template <class T1, class T2> bool operator==(const pair<T1,T2>&, const pair<T1,T2>&);
// template <class T1, class T2> bool operator!=(const pair<T1,T2>&, const pair<T1,T2>&);
// template <class T1, class T2> bool operator< (const pair<T1,T2>&, const pair<T1,T2>&);
// template <class T1, class T2> bool operator> (const pair<T1,T2>&, const pair<T1,T2>&);
// template <class T1, class T2> bool operator>=(const pair<T1,T2>&, const pair<T1,T2>&);
// template <class T1, class T2> bool operator<=(const pair<T1,T2>&, const pair<T1,T2>&);
#include <utility>
#include <cassert>
int main()
{
{
typedef std::pair<int, short> P;
P p1(3, 4);
P p2(3, 4);
assert( (p1 == p2));
assert(!(p1 != p2));
assert(!(p1 < p2));
assert( (p1 <= p2));
assert(!(p1 > p2));
assert( (p1 >= p2));
}
{
typedef std::pair<int, short> P;
P p1(2, 4);
P p2(3, 4);
assert(!(p1 == p2));
assert( (p1 != p2));
assert( (p1 < p2));
assert( (p1 <= p2));
assert(!(p1 > p2));
assert(!(p1 >= p2));
}
{
typedef std::pair<int, short> P;
P p1(3, 2);
P p2(3, 4);
assert(!(p1 == p2));
assert( (p1 != p2));
assert( (p1 < p2));
assert( (p1 <= p2));
assert(!(p1 > p2));
assert(!(p1 >= p2));
}
{
typedef std::pair<int, short> P;
P p1(3, 4);
P p2(2, 4);
assert(!(p1 == p2));
assert( (p1 != p2));
assert(!(p1 < p2));
assert(!(p1 <= p2));
assert( (p1 > p2));
assert( (p1 >= p2));
}
{
typedef std::pair<int, short> P;
P p1(3, 4);
P p2(3, 2);
assert(!(p1 == p2));
assert( (p1 != p2));
assert(!(p1 < p2));
assert(!(p1 <= p2));
assert( (p1 > p2));
assert( (p1 >= p2));
}
#if _LIBCPP_STD_VER > 11
{
typedef std::pair<int, short> P;
constexpr P p1(3, 4);
constexpr P p2(3, 2);
static_assert(!(p1 == p2), "");
static_assert( (p1 != p2), "");
static_assert(!(p1 < p2), "");
static_assert(!(p1 <= p2), "");
static_assert( (p1 > p2), "");
static_assert( (p1 >= p2), "");
}
#endif
}