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//===----------------------------------------------------------------------===//
//
// 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_view>
// constexpr basic_string_view () noexcept;
#include <experimental/string_view>
#include <cassert>
template<typename T>
void test () {
#if _LIBCPP_STD_VER > 11
{
constexpr T sv1;
static_assert ( sv1.size() == 0, "" );
static_assert ( sv1.empty(), "");
}
#endif
{
T sv1;
assert ( sv1.size() == 0 );
assert ( sv1.empty());
}
}
int main () {
typedef std::experimental::string_view string_view;
typedef std::experimental::u16string_view u16string_view;
typedef std::experimental::u32string_view u32string_view;
typedef std::experimental::wstring_view wstring_view;
test<string_view> ();
test<u16string_view> ();
test<u32string_view> ();
test<wstring_view> ();
}
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