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//===----------------------------------------------------------------------===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
// UNSUPPORTED: !stdlib=libc++ && (c++03 || c++11 || c++14)
// <string_view>
// constexpr basic_string_view(const _CharT* _s, size_type _len)
// : __data (_s), __size(_len) {}
#include <string_view>
#include <string>
#include <cassert>
#include "test_macros.h"
template <typename CharT>
void test(const CharT* s, std::size_t sz) {
{
typedef std::basic_string_view<CharT> SV;
LIBCPP_ASSERT_NOEXCEPT(SV(s, sz));
SV sv1(s, sz);
assert(sv1.size() == sz);
assert(sv1.data() == s);
}
}
int main(int, char**) {
test("QBCDE", 5);
test("QBCDE", 2);
test("", 0);
#if TEST_STD_VER > 11
{
constexpr const char* s = "QBCDE";
constexpr std::basic_string_view<char> sv1(s, 2);
static_assert(sv1.size() == 2, "");
static_assert(sv1.data() == s, "");
}
#endif
#ifndef TEST_HAS_NO_WIDE_CHARACTERS
test(L"QBCDE", 5);
test(L"QBCDE", 2);
test(L"", 0);
# if TEST_STD_VER > 11
{
constexpr const wchar_t* s = L"QBCDE";
constexpr std::basic_string_view<wchar_t> sv1(s, 2);
static_assert(sv1.size() == 2, "");
static_assert(sv1.data() == s, "");
}
# endif
#endif // TEST_HAS_NO_WIDE_CHARACTERS
#if TEST_STD_VER >= 11
test(u"QBCDE", 5);
test(u"QBCDE", 2);
test(u"", 0);
# if TEST_STD_VER > 11
{
constexpr const char16_t* s = u"QBCDE";
constexpr std::basic_string_view<char16_t> sv1(s, 2);
static_assert(sv1.size() == 2, "");
static_assert(sv1.data() == s, "");
}
# endif
test(U"QBCDE", 5);
test(U"QBCDE", 2);
test(U"", 0);
# if TEST_STD_VER > 11
{
constexpr const char32_t* s = U"QBCDE";
constexpr std::basic_string_view<char32_t> sv1(s, 2);
static_assert(sv1.size() == 2, "");
static_assert(sv1.data() == s, "");
}
# endif
#endif
return 0;
}
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