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 // <string>
11
12 // basic_string(size_type n, charT c, const Allocator& a = Allocator());
13
14 #include <string>
15 #include <stdexcept>
16 #include <algorithm>
17 #include <cassert>
18
19 #include "test_allocator.h"
20 #include "min_allocator.h"
21
22 template <class charT>
23 void
test(unsigned n,charT c)24 test(unsigned n, charT c)
25 {
26 typedef std::basic_string<charT, std::char_traits<charT>, test_allocator<charT> > S;
27 typedef typename S::traits_type T;
28 typedef typename S::allocator_type A;
29 S s2(n, c);
30 assert(s2.__invariants());
31 assert(s2.size() == n);
32 for (unsigned i = 0; i < n; ++i)
33 assert(s2[i] == c);
34 assert(s2.get_allocator() == A());
35 assert(s2.capacity() >= s2.size());
36 }
37
38 template <class charT, class A>
39 void
test(unsigned n,charT c,const A & a)40 test(unsigned n, charT c, const A& a)
41 {
42 typedef std::basic_string<charT, std::char_traits<charT>, A> S;
43 typedef typename S::traits_type T;
44 S s2(n, c, a);
45 assert(s2.__invariants());
46 assert(s2.size() == n);
47 for (unsigned i = 0; i < n; ++i)
48 assert(s2[i] == c);
49 assert(s2.get_allocator() == a);
50 assert(s2.capacity() >= s2.size());
51 }
52
53 template <class Tp>
54 void
test(Tp n,Tp c)55 test(Tp n, Tp c)
56 {
57 typedef char charT;
58 typedef std::basic_string<charT, std::char_traits<charT>, test_allocator<charT> > S;
59 typedef typename S::traits_type T;
60 typedef typename S::allocator_type A;
61 S s2(n, c);
62 assert(s2.__invariants());
63 assert(s2.size() == n);
64 for (unsigned i = 0; i < n; ++i)
65 assert(s2[i] == c);
66 assert(s2.get_allocator() == A());
67 assert(s2.capacity() >= s2.size());
68 }
69
70 template <class Tp, class A>
71 void
test(Tp n,Tp c,const A & a)72 test(Tp n, Tp c, const A& a)
73 {
74 typedef char charT;
75 typedef std::basic_string<charT, std::char_traits<charT>, A> S;
76 typedef typename S::traits_type T;
77 S s2(n, c, a);
78 assert(s2.__invariants());
79 assert(s2.size() == n);
80 for (unsigned i = 0; i < n; ++i)
81 assert(s2[i] == c);
82 assert(s2.get_allocator() == a);
83 assert(s2.capacity() >= s2.size());
84 }
85
main()86 int main()
87 {
88 {
89 typedef test_allocator<char> A;
90 typedef std::basic_string<char, std::char_traits<char>, A> S;
91
92 test(0, 'a');
93 test(0, 'a', A(2));
94
95 test(1, 'a');
96 test(1, 'a', A(2));
97
98 test(10, 'a');
99 test(10, 'a', A(2));
100
101 test(100, 'a');
102 test(100, 'a', A(2));
103
104 test(100, 65);
105 test(100, 65, A(3));
106 }
107 #if __cplusplus >= 201103L
108 {
109 typedef min_allocator<char> A;
110 typedef std::basic_string<char, std::char_traits<char>, A> S;
111
112 test(0, 'a');
113 test(0, 'a', A());
114
115 test(1, 'a');
116 test(1, 'a', A());
117
118 test(10, 'a');
119 test(10, 'a', A());
120
121 test(100, 'a');
122 test(100, 'a', A());
123
124 test(100, 65);
125 test(100, 65, A());
126 }
127 #endif
128 }
129