| //===----------------------------------------------------------------------===// |
| // |
| // 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 const _CharT* data() const noexcept; |
| |
| #include <string_view> |
| #include <cassert> |
| |
| #include "test_macros.h" |
| |
| template <typename CharT> |
| void test ( const CharT *s, size_t len ) { |
| std::basic_string_view<CharT> sv ( s, len ); |
| assert ( sv.length() == len ); |
| assert ( sv.data() == s ); |
| #if TEST_STD_VER > 14 |
| // make sure we pick up std::data, too! |
| assert ( sv.data() == std::data(sv)); |
| #endif |
| } |
| |
| int main () { |
| test ( "ABCDE", 5 ); |
| test ( "a", 1 ); |
| |
| test ( L"ABCDE", 5 ); |
| test ( L"a", 1 ); |
| |
| #if TEST_STD_VER >= 11 |
| test ( u"ABCDE", 5 ); |
| test ( u"a", 1 ); |
| |
| test ( U"ABCDE", 5 ); |
| test ( U"a", 1 ); |
| #endif |
| |
| #if TEST_STD_VER > 11 |
| { |
| constexpr const char *s = "ABC"; |
| constexpr std::basic_string_view<char> sv( s, 2 ); |
| static_assert( sv.length() == 2, "" ); |
| static_assert( sv.data() == s, "" ); |
| } |
| #endif |
| } |