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 // <valarray>
10 
11 // template<class T> class valarray;
12 
13 // size_t size() const;
14 
15 #include <valarray>
16 #include <cassert>
17 
18 #include "test_macros.h"
19 
20 int main(int, char**)
21 {
22     {
23         typedef int T;
24         T a1[] = {1, 2, 3, 4, 5};
25         const unsigned N1 = sizeof(a1)/sizeof(a1[0]);
26         std::valarray<T> v1(a1, N1);
27         assert(v1.size() == N1);
28     }
29     {
30         typedef int T;
31         T a1[] = {1, 2, 3, 4, 5};
32         const unsigned N1 = 0;
33         std::valarray<T> v1(a1, N1);
34         assert(v1.size() == N1);
35     }
36     {
37         typedef int T;
38         const unsigned N1 = 0;
39         std::valarray<T> v1;
40         assert(v1.size() == N1);
41     }
42 
43   return 0;
44 }
45