summaryrefslogtreecommitdiffstats
path: root/test/numerics/numarray/template.valarray/valarray.assign/move_assign.pass.cpp
blob: fa7e6b6bddb0d79602c3196d78d71f9af9fbcbfb (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
//===----------------------------------------------------------------------===//
//
// ÊÊÊÊÊÊÊÊÊÊÊÊÊÊÊÊÊÊÊÊThe LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//

// <valarray>

// template<class T> class valarray;

// valarray& operator=(valarray&& v);

#include <valarray>
#include <cassert>

int main()
{
#ifdef _LIBCPP_MOVE
    {
        typedef int T;
        T a[] = {1, 2, 3, 4, 5};
        const unsigned N = sizeof(a)/sizeof(a[0]);
        std::valarray<T> v(a, N);
        std::valarray<T> v2;
        v2 = std::move(v);
        assert(v2.size() == N);
        assert(v.size() == 0);
        for (int i = 0; i < v2.size(); ++i)
            assert(v2[i] == a[i]);
    }
    {
        typedef double T;
        T a[] = {1, 2.5, 3, 4.25, 5};
        const unsigned N = sizeof(a)/sizeof(a[0]);
        std::valarray<T> v(a, N);
        std::valarray<T> v2;
        v2 = std::move(v);
        assert(v2.size() == N);
        assert(v.size() == 0);
        for (int i = 0; i < v2.size(); ++i)
            assert(v2[i] == a[i]);
    }
    {
        typedef std::valarray<double> T;
        T a[] = {T(1), T(2), T(3), T(4), T(5)};
        const unsigned N = sizeof(a)/sizeof(a[0]);
        std::valarray<T> v(a, N);
        std::valarray<T> v2(a, N-2);
        v2 = std::move(v);
        assert(v2.size() == N);
        assert(v.size() == 0);
        for (int i = 0; i < N; ++i)
        {
            assert(v2[i].size() == a[i].size());
            for (int j = 0; j < a[i].size(); ++j)
                assert(v2[i][j] == a[i][j]);
        }
    }
#endif
}