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 // <array>
11 
12 // template <class T, size_t N> constexpr size_type array<T,N>::size();
13 
14 #include <array>
15 #include <cassert>
16 
17 int main()
18 {
19     {
20         typedef double T;
21         typedef std::array<T, 3> C;
22         C c = {1, 2, 3.5};
23         assert(c.size() == 3);
24         assert(c.max_size() == 3);
25         assert(!c.empty());
26     }
27     {
28         typedef double T;
29         typedef std::array<T, 0> C;
30         C c = {};
31         assert(c.size() == 0);
32         assert(c.max_size() == 0);
33         assert(c.empty());
34     }
35 #ifndef _LIBCPP_HAS_NO_CONSTEXPR
36     {
37         typedef double T;
38         typedef std::array<T, 3> C;
39         constexpr C c = {1, 2, 3.5};
40         static_assert(c.size() == 3, "");
41         static_assert(c.max_size() == 3, "");
42         static_assert(!c.empty(), "");
43     }
44     {
45         typedef double T;
46         typedef std::array<T, 0> C;
47         constexpr C c = {};
48         static_assert(c.size() == 0, "");
49         static_assert(c.max_size() == 0, "");
50         static_assert(c.empty(), "");
51     }
52 #endif
53 }
54