87 lines
3.4 KiB
C++
87 lines
3.4 KiB
C++
//===----------------------------------------------------------------------===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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#include <deque>
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#include "min_allocator.h"
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#include "test_allocator.h"
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#include "test_macros.h"
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template <class T>
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class small_pointer {
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uint16_t offset;
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};
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template <class T>
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class small_iter_allocator {
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public:
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using value_type = T;
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using pointer = small_pointer<T>;
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using size_type = int16_t;
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using difference_type = int16_t;
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small_iter_allocator() TEST_NOEXCEPT {}
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template <class U>
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small_iter_allocator(small_iter_allocator<U>) TEST_NOEXCEPT {}
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T* allocate(std::size_t n);
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void deallocate(T* p, std::size_t);
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friend bool operator==(small_iter_allocator, small_iter_allocator) { return true; }
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friend bool operator!=(small_iter_allocator, small_iter_allocator) { return false; }
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};
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#if __SIZE_WIDTH__ == 64
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static_assert(sizeof(std::deque<int>) == 48, "");
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static_assert(sizeof(std::deque<int, min_allocator<int> >) == 48, "");
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static_assert(sizeof(std::deque<int, test_allocator<int> >) == 80, "");
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static_assert(sizeof(std::deque<int, small_iter_allocator<int> >) == 12, "");
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static_assert(sizeof(std::deque<char>) == 48, "");
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static_assert(sizeof(std::deque<char, min_allocator<char> >) == 48, "");
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static_assert(sizeof(std::deque<char, test_allocator<char> >) == 80, "");
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static_assert(sizeof(std::deque<char, small_iter_allocator<char> >) == 12, "");
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static_assert(TEST_ALIGNOF(std::deque<int>) == 8, "");
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static_assert(TEST_ALIGNOF(std::deque<int, min_allocator<int> >) == 8, "");
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static_assert(TEST_ALIGNOF(std::deque<int, test_allocator<int> >) == 8, "");
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static_assert(TEST_ALIGNOF(std::deque<int, small_iter_allocator<int> >) == 2, "");
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static_assert(TEST_ALIGNOF(std::deque<char>) == 8, "");
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static_assert(TEST_ALIGNOF(std::deque<char, min_allocator<char> >) == 8, "");
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static_assert(TEST_ALIGNOF(std::deque<char, test_allocator<char> >) == 8, "");
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static_assert(TEST_ALIGNOF(std::deque<char, small_iter_allocator<char> >) == 2, "");
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#elif __SIZE_WIDTH__ == 32
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static_assert(sizeof(std::deque<int>) == 24, "");
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static_assert(sizeof(std::deque<int, min_allocator<int> >) == 24, "");
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static_assert(sizeof(std::deque<int, test_allocator<int> >) == 48, "");
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static_assert(sizeof(std::deque<int, small_iter_allocator<int> >) == 12, "");
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static_assert(sizeof(std::deque<char>) == 24, "");
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static_assert(sizeof(std::deque<char, min_allocator<char> >) == 24, "");
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static_assert(sizeof(std::deque<char, test_allocator<char> >) == 48, "");
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static_assert(sizeof(std::deque<char, small_iter_allocator<char> >) == 12, "");
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static_assert(TEST_ALIGNOF(std::deque<int>) == 4, "");
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static_assert(TEST_ALIGNOF(std::deque<int, min_allocator<int> >) == 4, "");
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static_assert(TEST_ALIGNOF(std::deque<int, test_allocator<int> >) == 4, "");
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static_assert(TEST_ALIGNOF(std::deque<int, small_iter_allocator<int> >) == 2, "");
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static_assert(TEST_ALIGNOF(std::deque<char>) == 4, "");
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static_assert(TEST_ALIGNOF(std::deque<char, min_allocator<char> >) == 4, "");
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static_assert(TEST_ALIGNOF(std::deque<char, test_allocator<char> >) == 4, "");
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static_assert(TEST_ALIGNOF(std::deque<char, small_iter_allocator<char> >) == 2, "");
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#else
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# error size_t has an unexpected size
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#endif
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