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 // std::array is explicitly allowed to be initialized with A a = { init-list };.
19 // Disable the missing braces warning for this reason.
20 #include "disable_missing_braces_warning.h"
21
main(int,char **)22 int main(int, char**)
23 {
24 {
25 typedef double T;
26 typedef std::array<T, 3> C;
27 C c = {1, 2, 3.5};
28 assert(c.size() == 3);
29 assert(c.max_size() == 3);
30 assert(!c.empty());
31 }
32 {
33 typedef double T;
34 typedef std::array<T, 0> C;
35 C c = {};
36 assert(c.size() == 0);
37 assert(c.max_size() == 0);
38 assert(c.empty());
39 }
40 #if TEST_STD_VER >= 11
41 {
42 typedef double T;
43 typedef std::array<T, 3> C;
44 constexpr C c = {1, 2, 3.5};
45 static_assert(c.size() == 3, "");
46 static_assert(c.max_size() == 3, "");
47 static_assert(!c.empty(), "");
48 }
49 {
50 typedef double T;
51 typedef std::array<T, 0> C;
52 constexpr C c = {};
53 static_assert(c.size() == 0, "");
54 static_assert(c.max_size() == 0, "");
55 static_assert(c.empty(), "");
56 }
57 #endif
58
59 return 0;
60 }
61