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
18int main(int, char**) {
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#if TEST_STD_VER >= 11
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 return 0;
55}
56

source code of libcxx/test/std/containers/sequences/array/array.size/size.pass.cpp