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 // UNSUPPORTED: c++98, c++03 10 11 // <valarray> 12 13 // template<class T> class valarray; 14 15 // valarray& operator=(valarray&& v); 16 17 #include <valarray> 18 #include <cassert> 19 #include <cstddef> 20 21 #include "test_macros.h" 22 23 int main(int, char**) 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; 31 v2 = std::move(v); 32 assert(v2.size() == N); 33 assert(v.size() == 0); 34 for (std::size_t i = 0; i < v2.size(); ++i) 35 assert(v2[i] == a[i]); 36 } 37 { 38 typedef double T; 39 T a[] = {1, 2.5, 3, 4.25, 5}; 40 const unsigned N = sizeof(a)/sizeof(a[0]); 41 std::valarray<T> v(a, N); 42 std::valarray<T> v2; 43 v2 = std::move(v); 44 assert(v2.size() == N); 45 assert(v.size() == 0); 46 for (std::size_t i = 0; i < v2.size(); ++i) 47 assert(v2[i] == a[i]); 48 } 49 { 50 typedef std::valarray<double> T; 51 T a[] = {T(1), T(2), T(3), T(4), T(5)}; 52 const unsigned N = sizeof(a)/sizeof(a[0]); 53 std::valarray<T> v(a, N); 54 std::valarray<T> v2(a, N-2); 55 v2 = std::move(v); 56 assert(v2.size() == N); 57 assert(v.size() == 0); 58 for (unsigned i = 0; i < N; ++i) 59 { 60 assert(v2[i].size() == a[i].size()); 61 for (std::size_t j = 0; j < a[i].size(); ++j) 62 assert(v2[i][j] == a[i][j]); 63 } 64 } 65 66 return 0; 67 } 68