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// UNSUPPORTED: c++98, c++03
11
12// <valarray>
13
14// template<class T> class valarray;
15
16// valarray(const valarray<value_type>& v);
17
18#include <valarray>
19#include <utility>
20#include <cassert>
21#include <cstddef>
22
23int main()
24{
25    {
26        typedef int T;
27        T a[] = {1, 2, 3, 4, 5};
28        const unsigned N = sizeof(a)/sizeof(a[0]);
29        std::valarray<T> v(a, N);
30        std::valarray<T> v2 = std::move(v);
31        assert(v2.size() == N);
32        assert(v.size() == 0);
33        for (std::size_t i = 0; i < v2.size(); ++i)
34            assert(v2[i] == a[i]);
35    }
36    {
37        typedef double T;
38        T a[] = {1, 2.5, 3, 4.25, 5};
39        const unsigned N = sizeof(a)/sizeof(a[0]);
40        std::valarray<T> v(a, N);
41        std::valarray<T> v2 = std::move(v);
42        assert(v2.size() == N);
43        assert(v.size() == 0);
44        for (std::size_t i = 0; i < v2.size(); ++i)
45            assert(v2[i] == a[i]);
46    }
47    {
48        typedef std::valarray<double> T;
49        T a[] = {T(1), T(2), T(3), T(4), T(5)};
50        const unsigned N = sizeof(a)/sizeof(a[0]);
51        std::valarray<T> v(a, N);
52        std::valarray<T> v2 = std::move(v);
53        assert(v2.size() == N);
54        assert(v.size() == 0);
55        for (unsigned i = 0; i < N; ++i)
56        {
57            assert(v2[i].size() == a[i].size());
58            for (std::size_t j = 0; j < v2[i].size(); ++j)
59                assert(v2[i][j] == a[i][j]);
60        }
61    }
62}
63