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86 changes: 86 additions & 0 deletions
86
...std/iterators/iterator.requirements/alg.req.ind.copy/indirectly_copyable.compile.pass.cpp
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//===----------------------------------------------------------------------===// | ||
// | ||
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. | ||
// See https://llvm.org/LICENSE.txt for license information. | ||
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception | ||
// SPDX-FileCopyrightText: Copyright (c) 2023 NVIDIA CORPORATION & AFFILIATES. | ||
// | ||
//===----------------------------------------------------------------------===// | ||
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// UNSUPPORTED: c++03, c++11, c++14 | ||
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// template<class In, class Out> | ||
// concept indirectly_copyable; | ||
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#include <cuda/std/iterator> | ||
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#include "MoveOnly.h" | ||
#include "test_macros.h" | ||
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struct CopyOnly { | ||
CopyOnly() = default; | ||
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CopyOnly(CopyOnly const&) = default; | ||
CopyOnly& operator=(CopyOnly const&) = default; | ||
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CopyOnly(CopyOnly&&) = delete; | ||
CopyOnly& operator=(CopyOnly&&) = delete; | ||
}; | ||
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// Can copy the underlying objects between pointers. | ||
static_assert( cuda::std::indirectly_copyable<int*, int*>); | ||
static_assert( cuda::std::indirectly_copyable<const int*, int *>); | ||
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// Can't copy if the output pointer is const. | ||
static_assert(!cuda::std::indirectly_copyable<int*, const int *>); | ||
static_assert(!cuda::std::indirectly_copyable<const int*, const int *>); | ||
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// Can copy from a pointer into an array but arrays aren't considered indirectly copyable-from. | ||
static_assert( cuda::std::indirectly_copyable<int*, int[2]>); | ||
static_assert(!cuda::std::indirectly_copyable<int[2], int*>); | ||
static_assert(!cuda::std::indirectly_copyable<int[2], int[2]>); | ||
static_assert(!cuda::std::indirectly_copyable<int(&)[2], int(&)[2]>); | ||
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// Can't copy between non-pointer types. | ||
static_assert(!cuda::std::indirectly_copyable<int*, int>); | ||
static_assert(!cuda::std::indirectly_copyable<int, int*>); | ||
static_assert(!cuda::std::indirectly_copyable<int, int>); | ||
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// Check some less common types. | ||
static_assert(!cuda::std::indirectly_movable<void*, void*>); | ||
static_assert(!cuda::std::indirectly_movable<int*, void*>); | ||
static_assert(!cuda::std::indirectly_movable<int(), int()>); | ||
static_assert(!cuda::std::indirectly_movable<int*, int()>); | ||
static_assert(!cuda::std::indirectly_movable<void, void>); | ||
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// Can't copy move-only objects. | ||
static_assert(!cuda::std::indirectly_copyable<MoveOnly*, MoveOnly*>); | ||
static_assert(!cuda::std::indirectly_copyable<MoveOnly*, const MoveOnly*>); | ||
static_assert(!cuda::std::indirectly_copyable<const MoveOnly*, MoveOnly*>); | ||
static_assert(!cuda::std::indirectly_copyable<const MoveOnly*, const MoveOnly*>); | ||
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// Can copy copy-only objects. | ||
static_assert( cuda::std::indirectly_copyable<CopyOnly*, CopyOnly*>); | ||
static_assert(!cuda::std::indirectly_copyable<CopyOnly*, const CopyOnly*>); | ||
static_assert( cuda::std::indirectly_copyable<const CopyOnly*, CopyOnly*>); | ||
static_assert(!cuda::std::indirectly_copyable<const CopyOnly*, const CopyOnly*>); | ||
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template<class T> | ||
struct PointerTo { | ||
using value_type = T; | ||
__host__ __device__ T& operator*() const; | ||
}; | ||
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// Can copy through a dereferenceable class. | ||
static_assert( cuda::std::indirectly_copyable<int*, PointerTo<int>>); | ||
static_assert(!cuda::std::indirectly_copyable<int*, PointerTo<const int>>); | ||
static_assert( cuda::std::indirectly_copyable<PointerTo<int>, PointerTo<int>>); | ||
static_assert(!cuda::std::indirectly_copyable<PointerTo<int>, PointerTo<const int>>); | ||
static_assert( cuda::std::indirectly_copyable<CopyOnly*, PointerTo<CopyOnly>>); | ||
static_assert( cuda::std::indirectly_copyable<PointerTo<CopyOnly>, CopyOnly*>); | ||
static_assert( cuda::std::indirectly_copyable<PointerTo<CopyOnly>, PointerTo<CopyOnly>>); | ||
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int main(int, char**) | ||
{ | ||
return 0; | ||
} |
35 changes: 35 additions & 0 deletions
35
...s/iterator.requirements/alg.req.ind.copy/indirectly_copyable.subsumption.compile.pass.cpp
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//===----------------------------------------------------------------------===// | ||
// | ||
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. | ||
// See https://llvm.org/LICENSE.txt for license information. | ||
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception | ||
// SPDX-FileCopyrightText: Copyright (c) 2023 NVIDIA CORPORATION & AFFILIATES. | ||
// | ||
//===----------------------------------------------------------------------===// | ||
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// UNSUPPORTED: c++03, c++11, c++14, c++17 | ||
// XFAIL: c++20 | ||
// nvbug 3885350 | ||
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// template<class In, class Out> | ||
// concept indirectly_copyable; | ||
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#include <cuda/std/iterator> | ||
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template<cuda::std::indirectly_readable I, class O> | ||
__host__ __device__ constexpr bool indirectly_copyable_subsumption() { | ||
return false; | ||
} | ||
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template<class I, class O> | ||
requires cuda::std::indirectly_copyable<I, O> | ||
__host__ __device__ constexpr bool indirectly_copyable_subsumption() { | ||
return true; | ||
} | ||
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static_assert(indirectly_copyable_subsumption<int*, int*>()); | ||
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int main(int, char**) | ||
{ | ||
return 0; | ||
} |
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