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Diffstat (limited to 'test/std/utilities/allocator.adaptor/allocator.adaptor.members/construct_pair_piecewise.pass.cpp')
-rw-r--r-- | test/std/utilities/allocator.adaptor/allocator.adaptor.members/construct_pair_piecewise.pass.cpp | 156 |
1 files changed, 156 insertions, 0 deletions
diff --git a/test/std/utilities/allocator.adaptor/allocator.adaptor.members/construct_pair_piecewise.pass.cpp b/test/std/utilities/allocator.adaptor/allocator.adaptor.members/construct_pair_piecewise.pass.cpp new file mode 100644 index 000000000000..4d371f206e65 --- /dev/null +++ b/test/std/utilities/allocator.adaptor/allocator.adaptor.members/construct_pair_piecewise.pass.cpp @@ -0,0 +1,156 @@ +//===----------------------------------------------------------------------===// +// +// 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. +// +//===----------------------------------------------------------------------===// + +// UNSUPPORTED: c++98, c++03 + +// <scoped_allocator> + +// template <class OtherAlloc, class ...InnerAlloc> +// class scoped_allocator_adaptor + +// template <class U1, class U2, class ...Args1, class ...Args2> +// void scoped_allocator_adaptor::construct(pair<U1, U2>*, +// piecewise_construct_t, tuple<Args1...>, tuple<Args2...>) + +#include <scoped_allocator> +#include <type_traits> +#include <utility> +#include <tuple> +#include <cassert> +#include <cstdlib> +#include "uses_alloc_types.hpp" +#include "controlled_allocators.hpp" + + +void test_no_inner_alloc() +{ + using VoidAlloc = CountingAllocator<void>; + AllocController P; + { + using T = UsesAllocatorV1<VoidAlloc, 1>; + using U = UsesAllocatorV2<VoidAlloc, 1>; + using Pair = std::pair<T, U>; + int x = 42; + const int y = 101; + using Alloc = CountingAllocator<Pair>; + using SA = std::scoped_allocator_adaptor<Alloc>; + static_assert(std::uses_allocator<T, CountingAllocator<T> >::value, ""); + Pair * ptr = (Pair*)std::malloc(sizeof(Pair)); + Alloc CA(P); + SA A(CA); + A.construct(ptr, std::piecewise_construct, + std::forward_as_tuple(x), + std::forward_as_tuple(std::move(y))); + assert(checkConstruct<int&>(ptr->first, UA_AllocArg, CA)); + assert(checkConstruct<int const&&>(ptr->second, UA_AllocLast, CA)); + assert((P.checkConstruct<std::piecewise_construct_t const&, + std::tuple<std::allocator_arg_t, SA&, int&>&&, + std::tuple<int const&&, SA&>&& + >(CA, ptr))); + A.destroy(ptr); + std::free(ptr); + + } + P.reset(); + { + using T = UsesAllocatorV3<VoidAlloc, 1>; + using U = NotUsesAllocator<VoidAlloc, 1>; + using Pair = std::pair<T, U>; + int x = 42; + const int y = 101; + using Alloc = CountingAllocator<Pair>; + using SA = std::scoped_allocator_adaptor<Alloc>; + static_assert(std::uses_allocator<T, CountingAllocator<T> >::value, ""); + Pair * ptr = (Pair*)std::malloc(sizeof(Pair)); + Alloc CA(P); + SA A(CA); + A.construct(ptr, std::piecewise_construct, + std::forward_as_tuple(std::move(x)), + std::forward_as_tuple(y)); + assert(checkConstruct<int&&>(ptr->first, UA_AllocArg, CA)); + assert(checkConstruct<int const&>(ptr->second, UA_None)); + assert((P.checkConstruct<std::piecewise_construct_t const&, + std::tuple<std::allocator_arg_t, SA&, int&&>&&, + std::tuple<int const&>&& + >(CA, ptr))); + A.destroy(ptr); + std::free(ptr); + } +} + +void test_with_inner_alloc() +{ + using VoidAlloc1 = CountingAllocator<void, 1>; + using VoidAlloc2 = CountingAllocator<void, 2>; + + AllocController POuter; + AllocController PInner; + { + using T = UsesAllocatorV1<VoidAlloc2, 1>; + using U = UsesAllocatorV2<VoidAlloc2, 1>; + using Pair = std::pair<T, U>; + int x = 42; + int y = 101; + using Outer = CountingAllocator<Pair, 1>; + using Inner = CountingAllocator<Pair, 2>; + using SA = std::scoped_allocator_adaptor<Outer, Inner>; + using SAInner = std::scoped_allocator_adaptor<Inner>; + static_assert(!std::uses_allocator<T, Outer>::value, ""); + static_assert(std::uses_allocator<T, Inner>::value, ""); + Pair * ptr = (Pair*)std::malloc(sizeof(Pair)); + Outer O(POuter); + Inner I(PInner); + SA A(O, I); + A.construct(ptr, std::piecewise_construct, + std::forward_as_tuple(x), + std::forward_as_tuple(std::move(y))); + assert(checkConstruct<int&>(ptr->first, UA_AllocArg, I)); + assert(checkConstruct<int &&>(ptr->second, UA_AllocLast)); + assert((POuter.checkConstruct<std::piecewise_construct_t const&, + std::tuple<std::allocator_arg_t, SAInner&, int&>&&, + std::tuple<int &&, SAInner&>&& + >(O, ptr))); + A.destroy(ptr); + std::free(ptr); + } + PInner.reset(); + POuter.reset(); + { + using T = UsesAllocatorV3<VoidAlloc2, 1>; + using U = NotUsesAllocator<VoidAlloc2, 1>; + using Pair = std::pair<T, U>; + int x = 42; + const int y = 101; + using Outer = CountingAllocator<Pair, 1>; + using Inner = CountingAllocator<Pair, 2>; + using SA = std::scoped_allocator_adaptor<Outer, Inner>; + using SAInner = std::scoped_allocator_adaptor<Inner>; + static_assert(!std::uses_allocator<T, Outer>::value, ""); + static_assert(std::uses_allocator<T, Inner>::value, ""); + Pair * ptr = (Pair*)std::malloc(sizeof(Pair)); + Outer O(POuter); + Inner I(PInner); + SA A(O, I); + A.construct(ptr, std::piecewise_construct, + std::forward_as_tuple(std::move(x)), + std::forward_as_tuple(std::move(y))); + assert(checkConstruct<int&&>(ptr->first, UA_AllocArg, I)); + assert(checkConstruct<int const&&>(ptr->second, UA_None)); + assert((POuter.checkConstruct<std::piecewise_construct_t const&, + std::tuple<std::allocator_arg_t, SAInner&, int&&>&&, + std::tuple<int const&&>&& + >(O, ptr))); + A.destroy(ptr); + std::free(ptr); + } +} +int main() { + test_no_inner_alloc(); + test_with_inner_alloc(); +} |