summaryrefslogtreecommitdiffstats
path: root/libcxx/test/std/strings/char.traits/char.traits.specializations/char.traits.specializations.wchar.t/move.pass.cpp
blob: 341a90233a838702ce8c6ab147ee9e321b49ecf9 (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
//===----------------------------------------------------------------------===//
//
// 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
//
//===----------------------------------------------------------------------===//

// <string>

// template<> struct char_traits<wchar_t>

// static char_type* move(char_type* s1, const char_type* s2, size_t n);

#include <string>
#include <cassert>

int main(int, char**)
{
    wchar_t s1[] = {1, 2, 3};
    assert(std::char_traits<wchar_t>::move(s1, s1+1, 2) == s1);
    assert(s1[0] == wchar_t(2));
    assert(s1[1] == wchar_t(3));
    assert(s1[2] == wchar_t(3));
    s1[2] = wchar_t(0);
    assert(std::char_traits<wchar_t>::move(s1+1, s1, 2) == s1+1);
    assert(s1[0] == wchar_t(2));
    assert(s1[1] == wchar_t(2));
    assert(s1[2] == wchar_t(3));
    assert(std::char_traits<wchar_t>::move(NULL, s1, 0) == NULL);
    assert(std::char_traits<wchar_t>::move(s1, NULL, 0) == s1);

  return 0;
}
OpenPOWER on IntegriCloud