mirror of
https://github.com/microsoft/GSL.git
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Merge pull request #847 from JordanMaples/dev/jomaples/split_span
Removing non-standard functionality from span header. Use span_ext for span comparisons and make_span functionality.
This commit is contained in:
Jordan Maples [MSFT]
GitHub
commit
a3b86971d9
157
include/gsl/span
157
include/gsl/span
@ -21,13 +21,10 @@
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#include <gsl/gsl_byte> // for byte
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#include <gsl/gsl_util> // for narrow_cast, narrow
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#include <algorithm> // for lexicographical_compare
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#include <array> // for array
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#include <cstddef> // for ptrdiff_t, size_t, nullptr_t
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#include <iterator> // for reverse_iterator, distance, random_access_...
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#include <stdexcept>
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#include <type_traits> // for enable_if_t, declval, is_convertible, inte...
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#include <utility>
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#if defined(_MSC_VER) && !defined(__clang__)
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#pragma warning(push)
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@ -716,43 +713,6 @@ template <class ElementType, std::size_t Extent>
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constexpr const typename span<ElementType, Extent>::size_type span<ElementType, Extent>::extent;
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#endif
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// [span.comparison], span comparison operators
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template <class ElementType, std::size_t FirstExtent, std::size_t SecondExtent>
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constexpr bool operator==(span<ElementType, FirstExtent> l, span<ElementType, SecondExtent> r)
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{
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return std::equal(l.begin(), l.end(), r.begin(), r.end());
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}
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template <class ElementType, std::size_t Extent>
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constexpr bool operator!=(span<ElementType, Extent> l, span<ElementType, Extent> r)
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{
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return !(l == r);
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}
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template <class ElementType, std::size_t Extent>
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constexpr bool operator<(span<ElementType, Extent> l, span<ElementType, Extent> r)
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{
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return std::lexicographical_compare(l.begin(), l.end(), r.begin(), r.end());
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}
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template <class ElementType, std::size_t Extent>
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constexpr bool operator<=(span<ElementType, Extent> l, span<ElementType, Extent> r)
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{
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return !(l > r);
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}
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template <class ElementType, std::size_t Extent>
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constexpr bool operator>(span<ElementType, Extent> l, span<ElementType, Extent> r)
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{
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return r < l;
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}
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template <class ElementType, std::size_t Extent>
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constexpr bool operator>=(span<ElementType, Extent> l, span<ElementType, Extent> r)
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{
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return !(l < r);
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}
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namespace details
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{
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// if we only supported compilers with good constexpr support then
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@ -796,123 +756,6 @@ as_writable_bytes(span<ElementType, Extent> s) noexcept
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return {reinterpret_cast<byte*>(s.data()), s.size_bytes()};
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}
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//
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// make_span() - Utility functions for creating spans
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//
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template <class ElementType>
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constexpr span<ElementType> make_span(ElementType* ptr, typename span<ElementType>::size_type count)
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{
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return span<ElementType>(ptr, count);
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}
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template <class ElementType>
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constexpr span<ElementType> make_span(ElementType* firstElem, ElementType* lastElem)
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{
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return span<ElementType>(firstElem, lastElem);
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}
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template <class ElementType, std::size_t N>
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constexpr span<ElementType, N> make_span(ElementType (&arr)[N]) noexcept
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{
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return span<ElementType, N>(arr);
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}
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template <class Container>
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constexpr span<typename Container::value_type> make_span(Container& cont)
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{
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return span<typename Container::value_type>(cont);
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}
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template <class Container>
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constexpr span<const typename Container::value_type> make_span(const Container& cont)
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{
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return span<const typename Container::value_type>(cont);
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}
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template <class Ptr>
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constexpr span<typename Ptr::element_type> make_span(Ptr& cont, std::size_t count)
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{
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return span<typename Ptr::element_type>(cont, count);
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}
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template <class Ptr>
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constexpr span<typename Ptr::element_type> make_span(Ptr& cont)
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{
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return span<typename Ptr::element_type>(cont);
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}
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template <class ElementType, std::size_t Extent>
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constexpr ElementType& at(span<ElementType, Extent> s, index i)
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{
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// No bounds checking here because it is done in span::operator[] called below
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Expects(i >= 0);
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return s[static_cast<std::size_t>(i)];
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}
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// [span.obs] Free observer functions
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template <class ElementType, std::size_t Extent>
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constexpr std::ptrdiff_t ssize(const span<ElementType, Extent>& s) noexcept
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{
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return static_cast<std::ptrdiff_t>(s.size());
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}
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// [span.iter] Free functions for begin/end functions
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template <class ElementType, std::size_t Extent>
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constexpr typename span<ElementType, Extent>::iterator
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begin(const span<ElementType, Extent>& s) noexcept
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{
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return s.begin();
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}
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template <class ElementType, std::size_t Extent = dynamic_extent>
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constexpr typename span<ElementType, Extent>::iterator
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end(const span<ElementType, Extent>& s) noexcept
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{
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return s.end();
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}
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template <class ElementType, std::size_t Extent>
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constexpr typename span<ElementType, Extent>::const_iterator
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cbegin(const span<ElementType, Extent>& s) noexcept
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{
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return s.cbegin();
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}
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template <class ElementType, std::size_t Extent>
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constexpr typename span<ElementType, Extent>::const_iterator
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cend(const span<ElementType, Extent>& s) noexcept
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{
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return s.cend();
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}
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template <class ElementType, std::size_t Extent>
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constexpr typename span<ElementType, Extent>::reverse_iterator
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rbegin(const span<ElementType, Extent>& s) noexcept
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{
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return s.rbegin();
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}
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template <class ElementType, std::size_t Extent>
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constexpr typename span<ElementType, Extent>::reverse_iterator
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rend(const span<ElementType, Extent>& s) noexcept
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{
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return s.rend();
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}
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template <class ElementType, std::size_t Extent>
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constexpr typename span<ElementType, Extent>::const_reverse_iterator
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crbegin(const span<ElementType, Extent>& s) noexcept
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{
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return s.crbegin();
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}
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template <class ElementType, std::size_t Extent>
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constexpr typename span<ElementType, Extent>::const_reverse_iterator
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crend(const span<ElementType, Extent>& s) noexcept
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{
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return s.crend();
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}
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} // namespace gsl
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#if defined(_MSC_VER) && !defined(__clang__)
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198
include/gsl/span_ext
Normal file
198
include/gsl/span_ext
Normal file
@ -0,0 +1,198 @@
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///////////////////////////////////////////////////////////////////////////////
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//
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// Copyright (c) 2015 Microsoft Corporation. All rights reserved.
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//
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// This code is licensed under the MIT License (MIT).
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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// THE SOFTWARE.
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//
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///////////////////////////////////////////////////////////////////////////////
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#ifndef GSL_SPAN_EXT_H
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#define GSL_SPAN_EXT_H
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///////////////////////////////////////////////////////////////////////////////
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//
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// File: span_ext
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// Purpose: continue offering features that have been cut from the official
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// implementation of span.
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// While modernizing gsl::span a number of features needed to be removed to
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// be compliant with the design of std::span
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//
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///////////////////////////////////////////////////////////////////////////////
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#include <gsl/gsl_util> // for narrow_cast, narrow
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#include <gsl/span> // for span
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#include <algorithm> // for lexicographical_compare
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#include <cstddef> // for ptrdiff_t, size_t
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#include <utility>
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namespace gsl
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{
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// [span.comparison], span comparison operators
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template <class ElementType, std::size_t FirstExtent, std::size_t SecondExtent>
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constexpr bool operator==(span<ElementType, FirstExtent> l, span<ElementType, SecondExtent> r)
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{
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return std::equal(l.begin(), l.end(), r.begin(), r.end());
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}
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template <class ElementType, std::size_t Extent>
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constexpr bool operator!=(span<ElementType, Extent> l, span<ElementType, Extent> r)
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{
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return !(l == r);
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}
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template <class ElementType, std::size_t Extent>
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constexpr bool operator<(span<ElementType, Extent> l, span<ElementType, Extent> r)
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{
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return std::lexicographical_compare(l.begin(), l.end(), r.begin(), r.end());
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}
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template <class ElementType, std::size_t Extent>
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constexpr bool operator<=(span<ElementType, Extent> l, span<ElementType, Extent> r)
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{
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return !(l > r);
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}
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template <class ElementType, std::size_t Extent>
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constexpr bool operator>(span<ElementType, Extent> l, span<ElementType, Extent> r)
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{
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return r < l;
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}
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template <class ElementType, std::size_t Extent>
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constexpr bool operator>=(span<ElementType, Extent> l, span<ElementType, Extent> r)
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{
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return !(l < r);
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}
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//
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// make_span() - Utility functions for creating spans
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//
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template <class ElementType>
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constexpr span<ElementType> make_span(ElementType* ptr, typename span<ElementType>::size_type count)
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{
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return span<ElementType>(ptr, count);
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}
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template <class ElementType>
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constexpr span<ElementType> make_span(ElementType* firstElem, ElementType* lastElem)
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{
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return span<ElementType>(firstElem, lastElem);
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}
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template <class ElementType, std::size_t N>
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constexpr span<ElementType, N> make_span(ElementType (&arr)[N]) noexcept
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{
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return span<ElementType, N>(arr);
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}
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template <class Container>
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constexpr span<typename Container::value_type> make_span(Container& cont)
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{
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return span<typename Container::value_type>(cont);
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}
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template <class Container>
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constexpr span<const typename Container::value_type> make_span(const Container& cont)
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{
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return span<const typename Container::value_type>(cont);
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}
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template <class Ptr>
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constexpr span<typename Ptr::element_type> make_span(Ptr& cont, std::size_t count)
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{
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return span<typename Ptr::element_type>(cont, count);
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}
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template <class Ptr>
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constexpr span<typename Ptr::element_type> make_span(Ptr& cont)
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{
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return span<typename Ptr::element_type>(cont);
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}
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// Specialization of gsl::at for span
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template <class ElementType, std::size_t Extent>
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constexpr ElementType& at(span<ElementType, Extent> s, index i)
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{
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// No bounds checking here because it is done in span::operator[] called below
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Ensures(i >= 0);
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return s[narrow_cast<std::size_t>(i)];
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}
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// [span.obs] Free observer functions
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template <class ElementType, std::size_t Extent>
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constexpr std::ptrdiff_t ssize(const span<ElementType, Extent>& s) noexcept
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{
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return static_cast<std::ptrdiff_t>(s.size());
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}
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// [span.iter] Free functions for begin/end functions
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template <class ElementType, std::size_t Extent>
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constexpr typename span<ElementType, Extent>::iterator
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begin(const span<ElementType, Extent>& s) noexcept
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{
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return s.begin();
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}
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template <class ElementType, std::size_t Extent = dynamic_extent>
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constexpr typename span<ElementType, Extent>::iterator
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end(const span<ElementType, Extent>& s) noexcept
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{
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return s.end();
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}
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template <class ElementType, std::size_t Extent>
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constexpr typename span<ElementType, Extent>::const_iterator
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cbegin(const span<ElementType, Extent>& s) noexcept
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{
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return s.cbegin();
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}
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template <class ElementType, std::size_t Extent>
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constexpr typename span<ElementType, Extent>::const_iterator
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cend(const span<ElementType, Extent>& s) noexcept
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{
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return s.cend();
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}
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template <class ElementType, std::size_t Extent>
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constexpr typename span<ElementType, Extent>::reverse_iterator
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rbegin(const span<ElementType, Extent>& s) noexcept
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{
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return s.rbegin();
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}
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template <class ElementType, std::size_t Extent>
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constexpr typename span<ElementType, Extent>::reverse_iterator
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rend(const span<ElementType, Extent>& s) noexcept
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{
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return s.rend();
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}
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template <class ElementType, std::size_t Extent>
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constexpr typename span<ElementType, Extent>::const_reverse_iterator
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crbegin(const span<ElementType, Extent>& s) noexcept
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{
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return s.crbegin();
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}
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template <class ElementType, std::size_t Extent>
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constexpr typename span<ElementType, Extent>::const_reverse_iterator
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crend(const span<ElementType, Extent>& s) noexcept
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{
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return s.crend();
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}
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} // namespace gsl
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#endif // GSL_SPAN_EXT_H
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@ -19,7 +19,7 @@
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#include <gsl/gsl_assert> // for Ensures, Expects
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#include <gsl/gsl_util> // for narrow_cast
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#include <gsl/span> // for operator!=, operator==, dynamic_extent
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#include <gsl/span_ext> // for operator!=, operator==, dynamic_extent
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#include <algorithm> // for equal, lexicographical_compare
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#include <array> // for array
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@ -153,6 +153,7 @@ function(add_gsl_test name)
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endfunction()
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add_gsl_test(span_tests)
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add_gsl_test(span_ext_tests)
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add_gsl_test(span_compatibility_tests)
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add_gsl_test(multi_span_tests)
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add_gsl_test(strided_span_tests)
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@ -24,6 +24,7 @@
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#include <iterator> // for reverse_iterator, operator-, operator==
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#include <type_traits> // for integral_constant<>::value, is_default_co...
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#include <utility>
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#include <vector> // for vector
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using namespace std;
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using namespace gsl;
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360
tests/span_ext_tests.cpp
Normal file
360
tests/span_ext_tests.cpp
Normal file
@ -0,0 +1,360 @@
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///////////////////////////////////////////////////////////////////////////////
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//
|
||||
// Copyright (c) 2015 Microsoft Corporation. All rights reserved.
|
||||
//
|
||||
// This code is licensed under the MIT License (MIT).
|
||||
//
|
||||
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
|
||||
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
|
||||
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
|
||||
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
|
||||
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
|
||||
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
|
||||
// THE SOFTWARE.
|
||||
//
|
||||
///////////////////////////////////////////////////////////////////////////////
|
||||
|
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#include <gtest/gtest.h>
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#include <gsl/gsl_util> // for narrow_cast, at
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#include <gsl/span_ext> // for operator==, operator!=, make_span
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#include <array> // for array
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#include <iostream> // for cerr
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#include <vector> // for vector
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using namespace std;
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using namespace gsl;
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namespace
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{
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static constexpr char deathstring[] = "Expected Death";
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} // namespace
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TEST(span_ext_test, make_span_from_pointer_length_constructor)
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{
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std::set_terminate([] {
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std::cerr << "Expected Death. from_pointer_length_constructor";
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std::abort();
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});
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int arr[4] = {1, 2, 3, 4};
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{
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auto s = make_span(&arr[0], 2);
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EXPECT_TRUE(s.size() == 2);
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EXPECT_TRUE(s.data() == &arr[0]);
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EXPECT_TRUE(s[0] == 1);
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EXPECT_TRUE(s[1] == 2);
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}
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{
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int* p = nullptr;
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auto s = make_span(p, narrow_cast<span<int>::size_type>(0));
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EXPECT_TRUE(s.size() == 0);
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EXPECT_TRUE(s.data() == nullptr);
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}
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{
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int* p = nullptr;
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auto workaround_macro = [=]() { make_span(p, 2); };
|
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EXPECT_DEATH(workaround_macro(), deathstring);
|
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}
|
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}
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TEST(span_ext_test, make_span_from_pointer_pointer_construction)
|
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{
|
||||
int arr[4] = {1, 2, 3, 4};
|
||||
|
||||
{
|
||||
auto s = make_span(&arr[0], &arr[2]);
|
||||
EXPECT_TRUE(s.size() == 2);
|
||||
EXPECT_TRUE(s.data() == &arr[0]);
|
||||
EXPECT_TRUE(s[0] == 1);
|
||||
EXPECT_TRUE(s[1] == 2);
|
||||
}
|
||||
|
||||
{
|
||||
auto s = make_span(&arr[0], &arr[0]);
|
||||
EXPECT_TRUE(s.size() == 0);
|
||||
EXPECT_TRUE(s.data() == &arr[0]);
|
||||
}
|
||||
|
||||
{
|
||||
int* p = nullptr;
|
||||
auto s = make_span(p, p);
|
||||
EXPECT_TRUE(s.size() == 0);
|
||||
EXPECT_TRUE(s.data() == nullptr);
|
||||
}
|
||||
}
|
||||
|
||||
TEST(span_ext_test, make_span_from_array_constructor)
|
||||
{
|
||||
int arr[5] = {1, 2, 3, 4, 5};
|
||||
int arr2d[2][3] = {1, 2, 3, 4, 5, 6};
|
||||
int arr3d[2][3][2] = {1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12};
|
||||
|
||||
{
|
||||
const auto s = make_span(arr);
|
||||
EXPECT_TRUE(s.size() == 5);
|
||||
EXPECT_TRUE(s.data() == std::addressof(arr[0]));
|
||||
}
|
||||
|
||||
{
|
||||
const auto s = make_span(std::addressof(arr2d[0]), 1);
|
||||
EXPECT_TRUE(s.size() == 1);
|
||||
EXPECT_TRUE(s.data() == std::addressof(arr2d[0]));
|
||||
}
|
||||
|
||||
{
|
||||
const auto s = make_span(std::addressof(arr3d[0]), 1);
|
||||
EXPECT_TRUE(s.size() == 1);
|
||||
EXPECT_TRUE(s.data() == std::addressof(arr3d[0]));
|
||||
}
|
||||
}
|
||||
|
||||
TEST(span_ext_test, make_span_from_dynamic_array_constructor)
|
||||
{
|
||||
double(*arr)[3][4] = new double[100][3][4];
|
||||
|
||||
{
|
||||
auto s = make_span(&arr[0][0][0], 10);
|
||||
EXPECT_TRUE(s.size() == 10);
|
||||
EXPECT_TRUE(s.data() == &arr[0][0][0]);
|
||||
}
|
||||
|
||||
delete[] arr;
|
||||
}
|
||||
|
||||
TEST(span_ext_test, make_span_from_std_array_constructor)
|
||||
{
|
||||
std::array<int, 4> arr = {1, 2, 3, 4};
|
||||
|
||||
{
|
||||
auto s = make_span(arr);
|
||||
EXPECT_TRUE(s.size() == arr.size());
|
||||
EXPECT_TRUE(s.data() == arr.data());
|
||||
}
|
||||
|
||||
// This test checks for the bug found in gcc 6.1, 6.2, 6.3, 6.4, 6.5 7.1, 7.2, 7.3 - issue #590
|
||||
{
|
||||
span<int> s1 = make_span(arr);
|
||||
|
||||
static span<int> s2;
|
||||
s2 = s1;
|
||||
|
||||
#if defined(__GNUC__) && __GNUC__ == 6 && (__GNUC_MINOR__ == 4 || __GNUC_MINOR__ == 5) && \
|
||||
__GNUC_PATCHLEVEL__ == 0 && defined(__OPTIMIZE__)
|
||||
// Known to be broken in gcc 6.4 and 6.5 with optimizations
|
||||
// Issue in gcc: https://gcc.gnu.org/bugzilla/show_bug.cgi?id=83116
|
||||
EXPECT_TRUE(s1.size() == 4);
|
||||
EXPECT_TRUE(s2.size() == 0);
|
||||
#else
|
||||
EXPECT_TRUE(s1.size() == s2.size());
|
||||
#endif
|
||||
}
|
||||
}
|
||||
|
||||
TEST(span_ext_test, make_span_from_const_std_array_constructor)
|
||||
{
|
||||
const std::array<int, 4> arr = {1, 2, 3, 4};
|
||||
|
||||
{
|
||||
auto s = make_span(arr);
|
||||
EXPECT_TRUE(s.size() == arr.size());
|
||||
EXPECT_TRUE(s.data() == arr.data());
|
||||
}
|
||||
}
|
||||
|
||||
TEST(span_ext_test, make_span_from_std_array_const_constructor)
|
||||
{
|
||||
std::array<const int, 4> arr = {1, 2, 3, 4};
|
||||
|
||||
{
|
||||
auto s = make_span(arr);
|
||||
EXPECT_TRUE(s.size() == arr.size());
|
||||
EXPECT_TRUE(s.data() == arr.data());
|
||||
}
|
||||
}
|
||||
|
||||
TEST(span_ext_test, make_span_from_container_constructor)
|
||||
{
|
||||
std::vector<int> v = {1, 2, 3};
|
||||
const std::vector<int> cv = v;
|
||||
|
||||
{
|
||||
auto s = make_span(v);
|
||||
EXPECT_TRUE(s.size() == v.size());
|
||||
EXPECT_TRUE(s.data() == v.data());
|
||||
|
||||
auto cs = make_span(cv);
|
||||
EXPECT_TRUE(cs.size() == cv.size());
|
||||
EXPECT_TRUE(cs.data() == cv.data());
|
||||
}
|
||||
}
|
||||
|
||||
TEST(span_test, interop_with_gsl_at)
|
||||
{
|
||||
int arr[5] = {1, 2, 3, 4, 5};
|
||||
span<int> s{arr};
|
||||
EXPECT_TRUE(at(s, 0) == 1);
|
||||
EXPECT_TRUE(at(s, 1) == 2);
|
||||
}
|
||||
|
||||
TEST(span_ext_test, iterator_free_functions)
|
||||
{
|
||||
int a[] = {1, 2, 3, 4};
|
||||
span<int> s{a};
|
||||
|
||||
EXPECT_TRUE((std::is_same<decltype(s.begin()), decltype(begin(s))>::value));
|
||||
EXPECT_TRUE((std::is_same<decltype(s.end()), decltype(end(s))>::value));
|
||||
|
||||
EXPECT_TRUE((std::is_same<decltype(s.cbegin()), decltype(cbegin(s))>::value));
|
||||
EXPECT_TRUE((std::is_same<decltype(s.cend()), decltype(cend(s))>::value));
|
||||
|
||||
EXPECT_TRUE((std::is_same<decltype(s.rbegin()), decltype(rbegin(s))>::value));
|
||||
EXPECT_TRUE((std::is_same<decltype(s.rend()), decltype(rend(s))>::value));
|
||||
|
||||
EXPECT_TRUE((std::is_same<decltype(s.crbegin()), decltype(crbegin(s))>::value));
|
||||
EXPECT_TRUE((std::is_same<decltype(s.crend()), decltype(crend(s))>::value));
|
||||
|
||||
EXPECT_TRUE(s.begin() == begin(s));
|
||||
EXPECT_TRUE(s.end() == end(s));
|
||||
|
||||
EXPECT_TRUE(s.cbegin() == cbegin(s));
|
||||
EXPECT_TRUE(s.cend() == cend(s));
|
||||
|
||||
EXPECT_TRUE(s.rbegin() == rbegin(s));
|
||||
EXPECT_TRUE(s.rend() == rend(s));
|
||||
|
||||
EXPECT_TRUE(s.crbegin() == crbegin(s));
|
||||
EXPECT_TRUE(s.crend() == crend(s));
|
||||
}
|
||||
|
||||
TEST(span_ext_test, ssize_free_function)
|
||||
{
|
||||
int a[] = {1, 2, 3, 4};
|
||||
span<int> s{a};
|
||||
|
||||
EXPECT_FALSE((std::is_same<decltype(s.size()), decltype(ssize(s))>::value));
|
||||
EXPECT_TRUE(s.size() == static_cast<std::size_t>(ssize(s)));
|
||||
}
|
||||
|
||||
TEST(span_ext_test, comparison_operators)
|
||||
{
|
||||
{
|
||||
span<int> s1;
|
||||
span<int> s2;
|
||||
EXPECT_TRUE(s1 == s2);
|
||||
EXPECT_FALSE(s1 != s2);
|
||||
EXPECT_FALSE(s1 < s2);
|
||||
EXPECT_TRUE(s1 <= s2);
|
||||
EXPECT_FALSE(s1 > s2);
|
||||
EXPECT_TRUE(s1 >= s2);
|
||||
EXPECT_TRUE(s2 == s1);
|
||||
EXPECT_FALSE(s2 != s1);
|
||||
EXPECT_FALSE(s2 != s1);
|
||||
EXPECT_TRUE(s2 <= s1);
|
||||
EXPECT_FALSE(s2 > s1);
|
||||
EXPECT_TRUE(s2 >= s1);
|
||||
}
|
||||
|
||||
{
|
||||
int arr[] = {2, 1};
|
||||
span<int> s1 = arr;
|
||||
span<int> s2 = arr;
|
||||
|
||||
EXPECT_TRUE(s1 == s2);
|
||||
EXPECT_FALSE(s1 != s2);
|
||||
EXPECT_FALSE(s1 < s2);
|
||||
EXPECT_TRUE(s1 <= s2);
|
||||
EXPECT_FALSE(s1 > s2);
|
||||
EXPECT_TRUE(s1 >= s2);
|
||||
EXPECT_TRUE(s2 == s1);
|
||||
EXPECT_FALSE(s2 != s1);
|
||||
EXPECT_FALSE(s2 < s1);
|
||||
EXPECT_TRUE(s2 <= s1);
|
||||
EXPECT_FALSE(s2 > s1);
|
||||
EXPECT_TRUE(s2 >= s1);
|
||||
}
|
||||
|
||||
{
|
||||
int arr[] = {2, 1}; // bigger
|
||||
|
||||
span<int> s1;
|
||||
span<int> s2 = arr;
|
||||
|
||||
EXPECT_TRUE(s1 != s2);
|
||||
EXPECT_TRUE(s2 != s1);
|
||||
EXPECT_FALSE(s1 == s2);
|
||||
EXPECT_FALSE(s2 == s1);
|
||||
EXPECT_TRUE(s1 < s2);
|
||||
EXPECT_FALSE(s2 < s1);
|
||||
EXPECT_TRUE(s1 <= s2);
|
||||
EXPECT_FALSE(s2 <= s1);
|
||||
EXPECT_TRUE(s2 > s1);
|
||||
EXPECT_FALSE(s1 > s2);
|
||||
EXPECT_TRUE(s2 >= s1);
|
||||
EXPECT_FALSE(s1 >= s2);
|
||||
}
|
||||
|
||||
{
|
||||
int arr1[] = {1, 2};
|
||||
int arr2[] = {1, 2};
|
||||
span<int> s1 = arr1;
|
||||
span<int> s2 = arr2;
|
||||
|
||||
EXPECT_TRUE(s1 == s2);
|
||||
EXPECT_FALSE(s1 != s2);
|
||||
EXPECT_FALSE(s1 < s2);
|
||||
EXPECT_TRUE(s1 <= s2);
|
||||
EXPECT_FALSE(s1 > s2);
|
||||
EXPECT_TRUE(s1 >= s2);
|
||||
EXPECT_TRUE(s2 == s1);
|
||||
EXPECT_FALSE(s2 != s1);
|
||||
EXPECT_FALSE(s2 < s1);
|
||||
EXPECT_TRUE(s2 <= s1);
|
||||
EXPECT_FALSE(s2 > s1);
|
||||
EXPECT_TRUE(s2 >= s1);
|
||||
}
|
||||
|
||||
{
|
||||
int arr[] = {1, 2, 3};
|
||||
|
||||
span<int> s1 = {&arr[0], 2}; // shorter
|
||||
span<int> s2 = arr; // longer
|
||||
|
||||
EXPECT_TRUE(s1 != s2);
|
||||
EXPECT_TRUE(s2 != s1);
|
||||
EXPECT_FALSE(s1 == s2);
|
||||
EXPECT_FALSE(s2 == s1);
|
||||
EXPECT_TRUE(s1 < s2);
|
||||
EXPECT_FALSE(s2 < s1);
|
||||
EXPECT_TRUE(s1 <= s2);
|
||||
EXPECT_FALSE(s2 <= s1);
|
||||
EXPECT_TRUE(s2 > s1);
|
||||
EXPECT_FALSE(s1 > s2);
|
||||
EXPECT_TRUE(s2 >= s1);
|
||||
EXPECT_FALSE(s1 >= s2);
|
||||
}
|
||||
|
||||
{
|
||||
int arr1[] = {1, 2}; // smaller
|
||||
int arr2[] = {2, 1}; // bigger
|
||||
|
||||
span<int> s1 = arr1;
|
||||
span<int> s2 = arr2;
|
||||
|
||||
EXPECT_TRUE(s1 != s2);
|
||||
EXPECT_TRUE(s2 != s1);
|
||||
EXPECT_FALSE(s1 == s2);
|
||||
EXPECT_FALSE(s2 == s1);
|
||||
EXPECT_TRUE(s1 < s2);
|
||||
EXPECT_FALSE(s2 < s1);
|
||||
EXPECT_TRUE(s1 <= s2);
|
||||
EXPECT_FALSE(s2 <= s1);
|
||||
EXPECT_TRUE(s2 > s1);
|
||||
EXPECT_FALSE(s1 > s2);
|
||||
EXPECT_TRUE(s2 >= s1);
|
||||
EXPECT_FALSE(s1 >= s2);
|
||||
}
|
||||
}
|
||||
@ -196,27 +196,6 @@ TEST(span_test, from_pointer_length_constructor)
|
||||
auto workaround_macro = [=]() { const span<int> s{p, 2}; };
|
||||
EXPECT_DEATH(workaround_macro(), deathstring);
|
||||
}
|
||||
|
||||
{
|
||||
auto s = make_span(&arr[0], 2);
|
||||
EXPECT_TRUE(s.size() == 2);
|
||||
EXPECT_TRUE(s.data() == &arr[0]);
|
||||
EXPECT_TRUE(s[0] == 1);
|
||||
EXPECT_TRUE(s[1] == 2);
|
||||
}
|
||||
|
||||
{
|
||||
int* p = nullptr;
|
||||
auto s = make_span(p, narrow_cast<span<int>::size_type>(0));
|
||||
EXPECT_TRUE(s.size() == 0);
|
||||
EXPECT_TRUE(s.data() == nullptr);
|
||||
}
|
||||
|
||||
{
|
||||
int* p = nullptr;
|
||||
auto workaround_macro = [=]() { make_span(p, 2); };
|
||||
EXPECT_DEATH(workaround_macro(), deathstring);
|
||||
}
|
||||
}
|
||||
|
||||
TEST(span_test, from_pointer_pointer_construction)
|
||||
@ -283,27 +262,6 @@ TEST(span_test, from_pointer_pointer_construction)
|
||||
// auto workaround_macro = [&]() { span<int> s{&arr[0], p}; };
|
||||
// EXPECT_DEATH(workaround_macro(), deathstring);
|
||||
//}
|
||||
|
||||
{
|
||||
auto s = make_span(&arr[0], &arr[2]);
|
||||
EXPECT_TRUE(s.size() == 2);
|
||||
EXPECT_TRUE(s.data() == &arr[0]);
|
||||
EXPECT_TRUE(s[0] == 1);
|
||||
EXPECT_TRUE(s[1] == 2);
|
||||
}
|
||||
|
||||
{
|
||||
auto s = make_span(&arr[0], &arr[0]);
|
||||
EXPECT_TRUE(s.size() == 0);
|
||||
EXPECT_TRUE(s.data() == &arr[0]);
|
||||
}
|
||||
|
||||
{
|
||||
int* p = nullptr;
|
||||
auto s = make_span(p, p);
|
||||
EXPECT_TRUE(s.size() == 0);
|
||||
EXPECT_TRUE(s.data() == nullptr);
|
||||
}
|
||||
}
|
||||
|
||||
TEST(span_test, from_array_constructor)
|
||||
@ -393,24 +351,6 @@ TEST(span_test, from_array_constructor)
|
||||
EXPECT_TRUE(s.size() == 1);
|
||||
}
|
||||
|
||||
{
|
||||
const auto s = make_span(arr);
|
||||
EXPECT_TRUE(s.size() == 5);
|
||||
EXPECT_TRUE(s.data() == std::addressof(arr[0]));
|
||||
}
|
||||
|
||||
{
|
||||
const auto s = make_span(std::addressof(arr2d[0]), 1);
|
||||
EXPECT_TRUE(s.size() == 1);
|
||||
EXPECT_TRUE(s.data() == std::addressof(arr2d[0]));
|
||||
}
|
||||
|
||||
{
|
||||
const auto s = make_span(std::addressof(arr3d[0]), 1);
|
||||
EXPECT_TRUE(s.size() == 1);
|
||||
EXPECT_TRUE(s.data() == std::addressof(arr3d[0]));
|
||||
}
|
||||
|
||||
AddressOverloaded ao_arr[5] = {};
|
||||
|
||||
{
|
||||
@ -430,12 +370,6 @@ TEST(span_test, from_array_constructor)
|
||||
EXPECT_TRUE(s.data() == &arr[0][0][0]);
|
||||
}
|
||||
|
||||
{
|
||||
auto s = make_span(&arr[0][0][0], 10);
|
||||
EXPECT_TRUE(s.size() == 10);
|
||||
EXPECT_TRUE(s.data() == &arr[0][0][0]);
|
||||
}
|
||||
|
||||
delete[] arr;
|
||||
}
|
||||
|
||||
@ -517,30 +451,6 @@ TEST(span_test, from_array_constructor)
|
||||
// try to take a temporary std::array
|
||||
take_a_span(get_an_array());
|
||||
}
|
||||
|
||||
{
|
||||
auto s = make_span(arr);
|
||||
EXPECT_TRUE(s.size() == arr.size());
|
||||
EXPECT_TRUE(s.data() == arr.data());
|
||||
}
|
||||
|
||||
// This test checks for the bug found in gcc 6.1, 6.2, 6.3, 6.4, 6.5 7.1, 7.2, 7.3 - issue #590
|
||||
{
|
||||
span<int> s1 = make_span(arr);
|
||||
|
||||
static span<int> s2;
|
||||
s2 = s1;
|
||||
|
||||
#if defined(__GNUC__) && __GNUC__ == 6 && (__GNUC_MINOR__ == 4 || __GNUC_MINOR__ == 5) && \
|
||||
__GNUC_PATCHLEVEL__ == 0 && defined(__OPTIMIZE__)
|
||||
// Known to be broken in gcc 6.4 and 6.5 with optimizations
|
||||
// Issue in gcc: https://gcc.gnu.org/bugzilla/show_bug.cgi?id=83116
|
||||
EXPECT_TRUE(s1.size() == 4);
|
||||
EXPECT_TRUE(s2.size() == 0);
|
||||
#else
|
||||
EXPECT_TRUE(s1.size() == s2.size());
|
||||
#endif
|
||||
}
|
||||
}
|
||||
|
||||
TEST(span_test, from_const_std_array_constructor)
|
||||
@ -591,12 +501,6 @@ TEST(span_test, from_array_constructor)
|
||||
// try to take a temporary std::array
|
||||
take_a_span(get_an_array());
|
||||
}
|
||||
|
||||
{
|
||||
auto s = make_span(arr);
|
||||
EXPECT_TRUE(s.size() == arr.size());
|
||||
EXPECT_TRUE(s.data() == arr.data());
|
||||
}
|
||||
}
|
||||
|
||||
TEST(span_test, from_std_array_const_constructor)
|
||||
@ -636,12 +540,6 @@ TEST(span_test, from_array_constructor)
|
||||
span<int, 4> s{arr};
|
||||
}
|
||||
#endif
|
||||
|
||||
{
|
||||
auto s = make_span(arr);
|
||||
EXPECT_TRUE(s.size() == arr.size());
|
||||
EXPECT_TRUE(s.data() == arr.data());
|
||||
}
|
||||
}
|
||||
|
||||
TEST(span_test, from_container_constructor)
|
||||
@ -730,16 +628,6 @@ TEST(span_test, from_array_constructor)
|
||||
span<int> s{m};
|
||||
#endif
|
||||
}
|
||||
|
||||
{
|
||||
auto s = make_span(v);
|
||||
EXPECT_TRUE(s.size() == v.size());
|
||||
EXPECT_TRUE(s.data() == v.data());
|
||||
|
||||
auto cs = make_span(cv);
|
||||
EXPECT_TRUE(cs.size() == cv.size());
|
||||
EXPECT_TRUE(cs.data() == cv.data());
|
||||
}
|
||||
}
|
||||
|
||||
TEST(span_test, from_convertible_span_constructor){{span<DerivedClass> avd;
|
||||
@ -1004,46 +892,6 @@ TEST(span_test, from_array_constructor)
|
||||
span<int>::const_iterator cit3 = it + 4;
|
||||
EXPECT_TRUE(cit3 == s.cend());
|
||||
}
|
||||
|
||||
TEST(span_test, iterator_free_functions)
|
||||
{
|
||||
int a[] = {1, 2, 3, 4};
|
||||
span<int> s{a};
|
||||
|
||||
EXPECT_TRUE((std::is_same<decltype(s.begin()), decltype(begin(s))>::value));
|
||||
EXPECT_TRUE((std::is_same<decltype(s.end()), decltype(end(s))>::value));
|
||||
|
||||
EXPECT_TRUE((std::is_same<decltype(s.cbegin()), decltype(cbegin(s))>::value));
|
||||
EXPECT_TRUE((std::is_same<decltype(s.cend()), decltype(cend(s))>::value));
|
||||
|
||||
EXPECT_TRUE((std::is_same<decltype(s.rbegin()), decltype(rbegin(s))>::value));
|
||||
EXPECT_TRUE((std::is_same<decltype(s.rend()), decltype(rend(s))>::value));
|
||||
|
||||
EXPECT_TRUE((std::is_same<decltype(s.crbegin()), decltype(crbegin(s))>::value));
|
||||
EXPECT_TRUE((std::is_same<decltype(s.crend()), decltype(crend(s))>::value));
|
||||
|
||||
EXPECT_TRUE(s.begin() == std::begin(s));
|
||||
EXPECT_TRUE(s.end() == std::end(s));
|
||||
|
||||
EXPECT_TRUE(s.cbegin() == std::cbegin(s));
|
||||
EXPECT_TRUE(s.cend() == std::cend(s));
|
||||
|
||||
EXPECT_TRUE(s.rbegin() == rbegin(s));
|
||||
EXPECT_TRUE(s.rend() == rend(s));
|
||||
|
||||
EXPECT_TRUE(s.crbegin() == crbegin(s));
|
||||
EXPECT_TRUE(s.crend() == crend(s));
|
||||
}
|
||||
|
||||
TEST(span_test, ssize_free_function)
|
||||
{
|
||||
int a[] = {1, 2, 3, 4};
|
||||
span<int> s{a};
|
||||
|
||||
EXPECT_FALSE((std::is_same<decltype(s.size()), decltype(ssize(s))>::value));
|
||||
EXPECT_TRUE(s.size() == static_cast<std::size_t>(ssize(s)));
|
||||
}
|
||||
|
||||
TEST(span_test, iterator_comparisons)
|
||||
{
|
||||
int a[] = {1, 2, 3, 4};
|
||||
@ -1326,126 +1174,6 @@ TEST(span_test, from_array_constructor)
|
||||
}
|
||||
}
|
||||
|
||||
TEST(span_test, comparison_operators)
|
||||
{
|
||||
{
|
||||
span<int> s1;
|
||||
span<int> s2;
|
||||
EXPECT_TRUE(s1 == s2);
|
||||
EXPECT_FALSE(s1 != s2);
|
||||
EXPECT_FALSE(s1 < s2);
|
||||
EXPECT_TRUE(s1 <= s2);
|
||||
EXPECT_FALSE(s1 > s2);
|
||||
EXPECT_TRUE(s1 >= s2);
|
||||
EXPECT_TRUE(s2 == s1);
|
||||
EXPECT_FALSE(s2 != s1);
|
||||
EXPECT_FALSE(s2 != s1);
|
||||
EXPECT_TRUE(s2 <= s1);
|
||||
EXPECT_FALSE(s2 > s1);
|
||||
EXPECT_TRUE(s2 >= s1);
|
||||
}
|
||||
|
||||
{
|
||||
int arr[] = {2, 1};
|
||||
span<int> s1 = arr;
|
||||
span<int> s2 = arr;
|
||||
|
||||
EXPECT_TRUE(s1 == s2);
|
||||
EXPECT_FALSE(s1 != s2);
|
||||
EXPECT_FALSE(s1 < s2);
|
||||
EXPECT_TRUE(s1 <= s2);
|
||||
EXPECT_FALSE(s1 > s2);
|
||||
EXPECT_TRUE(s1 >= s2);
|
||||
EXPECT_TRUE(s2 == s1);
|
||||
EXPECT_FALSE(s2 != s1);
|
||||
EXPECT_FALSE(s2 < s1);
|
||||
EXPECT_TRUE(s2 <= s1);
|
||||
EXPECT_FALSE(s2 > s1);
|
||||
EXPECT_TRUE(s2 >= s1);
|
||||
}
|
||||
|
||||
{
|
||||
int arr[] = {2, 1}; // bigger
|
||||
|
||||
span<int> s1;
|
||||
span<int> s2 = arr;
|
||||
|
||||
EXPECT_TRUE(s1 != s2);
|
||||
EXPECT_TRUE(s2 != s1);
|
||||
EXPECT_FALSE(s1 == s2);
|
||||
EXPECT_FALSE(s2 == s1);
|
||||
EXPECT_TRUE(s1 < s2);
|
||||
EXPECT_FALSE(s2 < s1);
|
||||
EXPECT_TRUE(s1 <= s2);
|
||||
EXPECT_FALSE(s2 <= s1);
|
||||
EXPECT_TRUE(s2 > s1);
|
||||
EXPECT_FALSE(s1 > s2);
|
||||
EXPECT_TRUE(s2 >= s1);
|
||||
EXPECT_FALSE(s1 >= s2);
|
||||
}
|
||||
|
||||
{
|
||||
int arr1[] = {1, 2};
|
||||
int arr2[] = {1, 2};
|
||||
span<int> s1 = arr1;
|
||||
span<int> s2 = arr2;
|
||||
|
||||
EXPECT_TRUE(s1 == s2);
|
||||
EXPECT_FALSE(s1 != s2);
|
||||
EXPECT_FALSE(s1 < s2);
|
||||
EXPECT_TRUE(s1 <= s2);
|
||||
EXPECT_FALSE(s1 > s2);
|
||||
EXPECT_TRUE(s1 >= s2);
|
||||
EXPECT_TRUE(s2 == s1);
|
||||
EXPECT_FALSE(s2 != s1);
|
||||
EXPECT_FALSE(s2 < s1);
|
||||
EXPECT_TRUE(s2 <= s1);
|
||||
EXPECT_FALSE(s2 > s1);
|
||||
EXPECT_TRUE(s2 >= s1);
|
||||
}
|
||||
|
||||
{
|
||||
int arr[] = {1, 2, 3};
|
||||
|
||||
span<int> s1 = {&arr[0], 2}; // shorter
|
||||
span<int> s2 = arr; // longer
|
||||
|
||||
EXPECT_TRUE(s1 != s2);
|
||||
EXPECT_TRUE(s2 != s1);
|
||||
EXPECT_FALSE(s1 == s2);
|
||||
EXPECT_FALSE(s2 == s1);
|
||||
EXPECT_TRUE(s1 < s2);
|
||||
EXPECT_FALSE(s2 < s1);
|
||||
EXPECT_TRUE(s1 <= s2);
|
||||
EXPECT_FALSE(s2 <= s1);
|
||||
EXPECT_TRUE(s2 > s1);
|
||||
EXPECT_FALSE(s1 > s2);
|
||||
EXPECT_TRUE(s2 >= s1);
|
||||
EXPECT_FALSE(s1 >= s2);
|
||||
}
|
||||
|
||||
{
|
||||
int arr1[] = {1, 2}; // smaller
|
||||
int arr2[] = {2, 1}; // bigger
|
||||
|
||||
span<int> s1 = arr1;
|
||||
span<int> s2 = arr2;
|
||||
|
||||
EXPECT_TRUE(s1 != s2);
|
||||
EXPECT_TRUE(s2 != s1);
|
||||
EXPECT_FALSE(s1 == s2);
|
||||
EXPECT_FALSE(s2 == s1);
|
||||
EXPECT_TRUE(s1 < s2);
|
||||
EXPECT_FALSE(s2 < s1);
|
||||
EXPECT_TRUE(s1 <= s2);
|
||||
EXPECT_FALSE(s2 <= s1);
|
||||
EXPECT_TRUE(s2 > s1);
|
||||
EXPECT_FALSE(s1 > s2);
|
||||
EXPECT_TRUE(s2 >= s1);
|
||||
EXPECT_FALSE(s1 >= s2);
|
||||
}
|
||||
}
|
||||
|
||||
TEST(span_test, as_bytes)
|
||||
{
|
||||
std::set_terminate([] {
|
||||
@ -1643,14 +1371,6 @@ TEST(span_test, from_array_constructor)
|
||||
EXPECT_TRUE(match[0].second == (f_it + 1));
|
||||
}
|
||||
|
||||
TEST(span_test, interop_with_gsl_at)
|
||||
{
|
||||
int arr[5] = {1, 2, 3, 4, 5};
|
||||
span<int> s{arr};
|
||||
EXPECT_TRUE(at(s, 0) == 1);
|
||||
EXPECT_TRUE(at(s, 1) == 2);
|
||||
}
|
||||
|
||||
TEST(span_test, default_constructible)
|
||||
{
|
||||
EXPECT_TRUE((std::is_default_constructible<span<int>>::value));
|
||||
|
||||
Loading…
Reference in New Issue
Block a user