1 //===----------------------------------------------------------------------===//
2 //
3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4 // See https://llvm.org/LICENSE.txt for license information.
5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
6 //
7 //===----------------------------------------------------------------------===//
8 
9 // <array>
10 
11 // template <class T, size_t N> constexpr size_type array<T,N>::size();
12 
13 #include <array>
14 #include <cassert>
15 
16 #include "test_macros.h"
17 
18 int main(int, char**)
19 {
20     {
21         typedef double T;
22         typedef std::array<T, 3> C;
23         C c = {1, 2, 3.5};
24         assert(c.size() == 3);
25         assert(c.max_size() == 3);
26         assert(!c.empty());
27     }
28     {
29         typedef double T;
30         typedef std::array<T, 0> C;
31         C c = {};
32         assert(c.size() == 0);
33         assert(c.max_size() == 0);
34         assert(c.empty());
35     }
36 #if TEST_STD_VER >= 11
37     {
38         typedef double T;
39         typedef std::array<T, 3> C;
40         constexpr C c = {1, 2, 3.5};
41         static_assert(c.size() == 3, "");
42         static_assert(c.max_size() == 3, "");
43         static_assert(!c.empty(), "");
44     }
45     {
46         typedef double T;
47         typedef std::array<T, 0> C;
48         constexpr C c = {};
49         static_assert(c.size() == 0, "");
50         static_assert(c.max_size() == 0, "");
51         static_assert(c.empty(), "");
52     }
53 #endif
54 
55     return 0;
56 }
57