blob: f6e6108ea2371b14d5d1d584aa425d6a058e6d19 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
|
// Copyright (C) 2019-2025 Free Software Foundation, Inc.
//
// This file is part of the GNU ISO C++ Library. This library is free
// software; you can redistribute it and/or modify it under the
// terms of the GNU General Public License as published by the
// Free Software Foundation; either version 3, or (at your option)
// any later version.
// This library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
// You should have received a copy of the GNU General Public License along
// with this library; see the file COPYING3. If not see
// <http://www.gnu.org/licenses/>.
// { dg-do run { target c++20 } }
#include <string_view>
#include <testsuite_hooks.h>
#include <testsuite_iterators.h>
#if __STDC_HOSTED__
# include <vector>
#endif // HOSTED
constexpr char str[] = "abcdefg";
constexpr std::basic_string_view<char> s(std::begin(str), std::cend(str) - 1);
static_assert( s == str );
static_assert( s.data() == str );
constexpr std::basic_string_view ctad(std::begin(str), std::cend(str) - 1);
static_assert( ctad == s );
// The standard does not require this constructor to have a noexcept-specifier.
static_assert( noexcept(std::basic_string_view<char>(str, str)) );
using I = __gnu_test::contiguous_iterator_wrapper<char>;
static_assert( ! noexcept(std::basic_string_view<char>(I{}, I{})) );
void
test01()
{
#if __STDC_HOSTED__
std::vector<char> v{'a', 'b', 'c'};
std::basic_string_view<char> s(v.begin(), v.end());
VERIFY( s.data() == v.data() );
std::basic_string_view ctad(v.begin(), v.end());
VERIFY( ctad == s );
#endif // HOSTED
}
int
main()
{
test01();
}
|
