diff options
Diffstat (limited to 'test/std/numerics/numarray/template.valarray/valarray.members/swap.pass.cpp')
-rw-r--r-- | test/std/numerics/numarray/template.valarray/valarray.members/swap.pass.cpp | 89 |
1 files changed, 89 insertions, 0 deletions
diff --git a/test/std/numerics/numarray/template.valarray/valarray.members/swap.pass.cpp b/test/std/numerics/numarray/template.valarray/valarray.members/swap.pass.cpp new file mode 100644 index 000000000000..a90a80936376 --- /dev/null +++ b/test/std/numerics/numarray/template.valarray/valarray.members/swap.pass.cpp @@ -0,0 +1,89 @@ +//===----------------------------------------------------------------------===// +// +// The LLVM Compiler Infrastructure +// +// This file is dual licensed under the MIT and the University of Illinois Open +// Source Licenses. See LICENSE.TXT for details. +// +//===----------------------------------------------------------------------===// + +// <valarray> + +// template<class T> class valarray; + +// void swap(valarray& v); + +#include <valarray> +#include <cassert> + +int main() +{ + { + typedef int T; + T a1[] = {1, 2, 3, 4, 5}; + T a2[] = {6, 7, 8, 9, 10, 11, 12}; + const unsigned N1 = sizeof(a1)/sizeof(a1[0]); + const unsigned N2 = sizeof(a2)/sizeof(a2[0]); + std::valarray<T> v1(a1, N1); + std::valarray<T> v2(a2, N2); + std::valarray<T> v1_save = v1; + std::valarray<T> v2_save = v2; + v1.swap(v2); + assert(v1.size() == v2_save.size()); + for (int i = 0; i < v1.size(); ++i) + assert(v1[i] == v2_save[i]); + assert(v2.size() == v1_save.size()); + for (int i = 0; i < v2.size(); ++i) + assert(v2[i] == v1_save[i]); + } + { + typedef int T; + T a1[] = {1, 2, 3, 4, 5}; + const unsigned N1 = sizeof(a1)/sizeof(a1[0]); + const unsigned N2 = 0; + std::valarray<T> v1(a1, N1); + std::valarray<T> v2; + std::valarray<T> v1_save = v1; + std::valarray<T> v2_save = v2; + v1.swap(v2); + assert(v1.size() == v2_save.size()); + for (int i = 0; i < v1.size(); ++i) + assert(v1[i] == v2_save[i]); + assert(v2.size() == v1_save.size()); + for (int i = 0; i < v2.size(); ++i) + assert(v2[i] == v1_save[i]); + } + { + typedef int T; + T a2[] = {6, 7, 8, 9, 10, 11, 12}; + const unsigned N1 = 0; + const unsigned N2 = sizeof(a2)/sizeof(a2[0]); + std::valarray<T> v1; + std::valarray<T> v2(a2, N2); + std::valarray<T> v1_save = v1; + std::valarray<T> v2_save = v2; + v1.swap(v2); + assert(v1.size() == v2_save.size()); + for (int i = 0; i < v1.size(); ++i) + assert(v1[i] == v2_save[i]); + assert(v2.size() == v1_save.size()); + for (int i = 0; i < v2.size(); ++i) + assert(v2[i] == v1_save[i]); + } + { + typedef int T; + const unsigned N1 = 0; + const unsigned N2 = 0; + std::valarray<T> v1; + std::valarray<T> v2; + std::valarray<T> v1_save = v1; + std::valarray<T> v2_save = v2; + v1.swap(v2); + assert(v1.size() == v2_save.size()); + for (int i = 0; i < v1.size(); ++i) + assert(v1[i] == v2_save[i]); + assert(v2.size() == v1_save.size()); + for (int i = 0; i < v2.size(); ++i) + assert(v2[i] == v1_save[i]); + } +} |