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 // std::array is explicitly allowed to be initialized with A a = { init-list };.
18 // Disable the missing braces warning for this reason.
19 #include "disable_missing_braces_warning.h"
20
main()21 int main()
22 {
23 {
24 typedef double T;
25 typedef std::array<T, 3> C;
26 C c = {1, 2, 3.5};
27 assert(c.size() == 3);
28 assert(c.max_size() == 3);
29 assert(!c.empty());
30 }
31 {
32 typedef double T;
33 typedef std::array<T, 0> C;
34 C c = {};
35 assert(c.size() == 0);
36 assert(c.max_size() == 0);
37 assert(c.empty());
38 }
39 #ifndef _LIBCPP_HAS_NO_CONSTEXPR
40 {
41 typedef double T;
42 typedef std::array<T, 3> C;
43 constexpr C c = {1, 2, 3.5};
44 static_assert(c.size() == 3, "");
45 static_assert(c.max_size() == 3, "");
46 static_assert(!c.empty(), "");
47 }
48 {
49 typedef double T;
50 typedef std::array<T, 0> C;
51 constexpr C c = {};
52 static_assert(c.size() == 0, "");
53 static_assert(c.max_size() == 0, "");
54 static_assert(c.empty(), "");
55 }
56 #endif
57 }
58