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Add move-only types test for transform_reduce bop/uop.

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git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@321848 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Billy Robert O'Neal III
2018-01-05 01:31:50 +00:00
parent 4436c8cd83
commit 519485521a
1 changed files with 13 additions and 0 deletions
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13
test/std/numerics/numeric.ops/transform.reduce/transform_reduce_iter_iter_init_bop_uop.pass.cpp
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@@ -19,7 +19,9 @@
#include <numeric> #include <numeric>
#include <cassert> #include <cassert>
#include <utility> #include <utility>
#include <iterator>
#include "MoveOnly.h"
#include "test_iterators.h" #include "test_iterators.h"
struct identity struct identity
@@ -81,6 +83,15 @@ void test_return_type()
decltype(std::transform_reduce(p, p, Init{}, std::plus<>(), identity()))> ); decltype(std::transform_reduce(p, p, Init{}, std::plus<>(), identity()))> );
} }
void test_move_only_types()
{
MoveOnly ia[] = {{1}, {2}, {3}};
assert(60 ==
std::transform_reduce(std::begin(ia), std::end(ia), MoveOnly{0},
[](const MoveOnly& lhs, const MoveOnly& rhs) { return MoveOnly{lhs.get() + rhs.get()}; },
[](const MoveOnly& target) { return MoveOnly{target.get() * 10}; }).get());
}
int main() int main()
{ {
test_return_type<char, int>(); test_return_type<char, int>();
@@ -105,4 +116,6 @@ int main()
unsigned res = std::transform_reduce(v.begin(), v.end(), 1U, std::multiplies<>(), twice()); unsigned res = std::transform_reduce(v.begin(), v.end(), 1U, std::multiplies<>(), twice());
assert(res == 46080); // 6! * 64 will not fit into a char assert(res == 46080); // 6! * 64 will not fit into a char
} }
test_move_only_types();
} }