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(const charT* s, size_type n, 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(const charT * s,unsigned n)24 test(const charT* s, unsigned n)
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(s, n);
30     assert(s2.__invariants());
31     assert(s2.size() == n);
32     assert(T::compare(s2.data(), s, n) == 0);
33     assert(s2.get_allocator() == A());
34     assert(s2.capacity() >= s2.size());
35 }
36 
37 template <class charT, class A>
38 void
test(const charT * s,unsigned n,const A & a)39 test(const charT* s, unsigned n, const A& a)
40 {
41     typedef std::basic_string<charT, std::char_traits<charT>, A> S;
42     typedef typename S::traits_type T;
43     S s2(s, n, a);
44     assert(s2.__invariants());
45     assert(s2.size() == n);
46     assert(T::compare(s2.data(), s, n) == 0);
47     assert(s2.get_allocator() == a);
48     assert(s2.capacity() >= s2.size());
49 }
50 
main()51 int main()
52 {
53     {
54     typedef test_allocator<char> A;
55     typedef std::basic_string<char, std::char_traits<char>, A> S;
56 
57     test("", 0);
58     test("", 0, A(2));
59 
60     test("1", 1);
61     test("1", 1, A(2));
62 
63     test("1234567980", 10);
64     test("1234567980", 10, A(2));
65 
66     test("123456798012345679801234567980123456798012345679801234567980", 60);
67     test("123456798012345679801234567980123456798012345679801234567980", 60, A(2));
68     }
69 #if __cplusplus >= 201103L
70     {
71     typedef min_allocator<char> A;
72     typedef std::basic_string<char, std::char_traits<char>, A> S;
73 
74     test("", 0);
75     test("", 0, A());
76 
77     test("1", 1);
78     test("1", 1, A());
79 
80     test("1234567980", 10);
81     test("1234567980", 10, A());
82 
83     test("123456798012345679801234567980123456798012345679801234567980", 60);
84     test("123456798012345679801234567980123456798012345679801234567980", 60, A());
85     }
86 #endif
87 }
88