to_string.pass.cpp revision 84acb1ec3f7d5e0f37d7176697c2fa876c413407 
1//===----------------------------------------------------------------------===//
2//
3//                     The LLVM Compiler Infrastructure
4//
5// This file is dual licensed under the MIT and the University of Illinois Open
6// Source Licenses. See LICENSE.TXT for details.
7//
8//===----------------------------------------------------------------------===//
9
10
11// <string_view>
12
13//  template<class Allocator>
14//  explicit operator basic_string<_CharT, _Traits, Allocator> () const;
15//  template<class _CharT, class _Traits = char_traits<_CharT>, class Allocator = allocator<_CharT> >
16//  basic_string<_CharT, _Traits, Allocator> to_string (
17//          basic_string_view<_CharT, _Traits> _sv, const Allocator& _a = Allocator()) const;
18
19#include <experimental/string_view>
20#include <cassert>
21#include "min_allocator.h"
22
23template<typename CharT>
24void test ( const CharT *s ) {
25    typedef std::basic_string<CharT> String ;
26    {
27    const std::experimental::basic_string_view<CharT> sv1 ( s );
28    String                                            str1 = (String) sv1;
29
30    assert ( sv1.size() == str1.size ());
31    assert ( std::char_traits<CharT>::compare ( sv1.data(), str1.data(),  sv1.size()) == 0 );
32
33#if __cplusplus >= 201103L
34    auto str2 = sv1.to_string(min_allocator<CharT>());
35    assert ( sv1.size() == str2.size ());
36    assert ( std::char_traits<CharT>::compare ( sv1.data(), str2.data(), sv1.size()) == 0 );
37#endif
38    }
39
40    {
41    const std::experimental::basic_string_view<CharT> sv1;
42    String                                            str1 = (String) sv1;
43
44    assert ( sv1.size() == 0);
45    assert ( sv1.size() == str1.size ());
46
47#if __cplusplus >= 201103L
48    auto str2 = sv1.to_string(min_allocator<CharT>());
49    assert ( sv1.size() == str2.size ());
50#endif
51    }
52}
53
54int main () {
55    test ( "ABCDEABCDEABCDEABCDEABCDEABCDEABCDEABCDEABCDEABCDEABCDEABCDEABCDEABCDEABCDEABCDEABCDEABCDEABCDEABCDEABCDE" );
56    test ( "ABCDE");
57    test ( "a" );
58    test ( "" );
59
60    test ( L"ABCDEABCDEABCDEABCDEABCDEABCDEABCDEABCDEABCDEABCDEABCDEABCDEABCDEABCDEABCDEABCDEABCDEABCDEABCDEABCDEABCDE" );
61    test ( L"ABCDE" );
62    test ( L"a" );
63    test ( L"" );
64
65#if __cplusplus >= 201103L
66    test ( u"ABCDEABCDEABCDEABCDEABCDEABCDEABCDEABCDEABCDEABCDEABCDEABCDEABCDEABCDEABCDEABCDEABCDEABCDEABCDEABCDEABCDE" );
67    test ( u"ABCDE" );
68    test ( u"a" );
69    test ( u"" );
70
71    test ( U"ABCDEABCDEABCDEABCDEABCDEABCDEABCDEABCDEABCDEABCDEABCDEABCDEABCDEABCDEABCDEABCDEABCDEABCDEABCDEABCDEABCDE" );
72    test ( U"ABCDE" );
73    test ( U"a" );
74    test ( U"" );
75#endif
76}
77