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
57
58
59
|
//===----------------------------------------------------------------------===//
//
// 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 const _CharT* data() const noexcept;
#include <string_view>
#include <cassert>
#include <iterator>
#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(int, char**) {
test ( "ABCDE", 5 );
test ( "a", 1 );
#ifndef TEST_HAS_NO_WIDE_CHARACTERS
test ( L"ABCDE", 5 );
test ( L"a", 1 );
#endif
#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
return 0;
}
|
