65 lines
2.0 KiB
C++
65 lines
2.0 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.
|
|
//
|
|
//===----------------------------------------------------------------------===//
|
|
|
|
// <string>
|
|
|
|
// template<class charT, class traits>
|
|
// constexpr bool operator>(basic_string_view<charT,traits> lhs,
|
|
// basic_string_view<charT,traits> rhs);
|
|
|
|
#include <experimental/string_view>
|
|
#include <cassert>
|
|
|
|
#include "constexpr_char_traits.hpp"
|
|
|
|
template <class S>
|
|
void
|
|
test(const S& lhs, const S& rhs, bool x, bool y)
|
|
{
|
|
assert((lhs > rhs) == x);
|
|
assert((rhs > lhs) == y);
|
|
}
|
|
|
|
int main()
|
|
{
|
|
{
|
|
typedef std::experimental::string_view S;
|
|
test(S(""), S(""), false, false);
|
|
test(S(""), S("abcde"), false, true);
|
|
test(S(""), S("abcdefghij"), false, true);
|
|
test(S(""), S("abcdefghijklmnopqrst"), false, true);
|
|
test(S("abcde"), S(""), true, false);
|
|
test(S("abcde"), S("abcde"), false, false);
|
|
test(S("abcde"), S("abcdefghij"), false, true);
|
|
test(S("abcde"), S("abcdefghijklmnopqrst"), false, true);
|
|
test(S("abcdefghij"), S(""), true, false);
|
|
test(S("abcdefghij"), S("abcde"), true, false);
|
|
test(S("abcdefghij"), S("abcdefghij"), false, false);
|
|
test(S("abcdefghij"), S("abcdefghijklmnopqrst"), false, true);
|
|
test(S("abcdefghijklmnopqrst"), S(""), true, false);
|
|
test(S("abcdefghijklmnopqrst"), S("abcde"), true, false);
|
|
test(S("abcdefghijklmnopqrst"), S("abcdefghij"), true, false);
|
|
test(S("abcdefghijklmnopqrst"), S("abcdefghijklmnopqrst"), false, false);
|
|
}
|
|
|
|
#if _LIBCPP_STD_VER > 11
|
|
{
|
|
typedef std::experimental::basic_string_view<char, constexpr_char_traits<char>> SV;
|
|
constexpr SV sv1;
|
|
constexpr SV sv2 { "abcde", 5 };
|
|
|
|
static_assert (!(sv1 > sv1), "" );
|
|
static_assert (!(sv2 > sv2), "" );
|
|
|
|
static_assert (!(sv1 > sv2), "" );
|
|
static_assert ( sv2 > sv1, "" );
|
|
}
|
|
#endif
|
|
}
|