vendor Catch2 and ETL
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// Copyright Catch2 Authors
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// Distributed under the Boost Software License, Version 1.0.
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// (See accompanying file LICENSE.txt or copy at
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// https://www.boost.org/LICENSE_1_0.txt)
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// SPDX-License-Identifier: BSL-1.0
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#include <helpers/parse_test_spec.hpp>
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#include <catch2/internal/catch_test_spec_parser.hpp>
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#include <catch2/interfaces/catch_interfaces_tag_alias_registry.hpp>
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namespace Catch {
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TestSpec parseTestSpec( std::string const& arg ) {
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return TestSpecParser( ITagAliasRegistry::get() )
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.parse( arg )
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.testSpec();
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}
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} // namespace Catch
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// Copyright Catch2 Authors
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// Distributed under the Boost Software License, Version 1.0.
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// (See accompanying file LICENSE.txt or copy at
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// https://www.boost.org/LICENSE_1_0.txt)
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// SPDX-License-Identifier: BSL-1.0
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#ifndef CATCH_TEST_HELPERS_PARSE_TEST_SPEC_HPP_INCLUDED
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#define CATCH_TEST_HELPERS_PARSE_TEST_SPEC_HPP_INCLUDED
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#include <catch2/catch_test_spec.hpp>
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#include <string>
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namespace Catch {
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TestSpec parseTestSpec( std::string const& arg );
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}
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#endif // CATCH_TEST_HELPERS_PARSE_TEST_SPEC_HPP_INCLUDED
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// Copyright Catch2 Authors
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// Distributed under the Boost Software License, Version 1.0.
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// (See accompanying file LICENSE.txt or copy at
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// https://www.boost.org/LICENSE_1_0.txt)
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// SPDX-License-Identifier: BSL-1.0
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#ifndef CATCH_TEST_HELPERS_RANGE_TEST_HELPERS_HPP_INCLUDED
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#define CATCH_TEST_HELPERS_RANGE_TEST_HELPERS_HPP_INCLUDED
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#include <catch2/catch_tostring.hpp>
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#include <initializer_list>
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#include <list>
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#include <memory>
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#include <vector>
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namespace unrelated {
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template <typename T>
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class needs_ADL_begin {
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std::vector<T> m_elements;
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public:
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using iterator = typename std::vector<T>::iterator;
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using const_iterator = typename std::vector<T>::const_iterator;
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needs_ADL_begin( std::initializer_list<T> init ): m_elements( init ) {}
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const_iterator Begin() const { return m_elements.begin(); }
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const_iterator End() const { return m_elements.end(); }
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friend const_iterator begin( needs_ADL_begin const& lhs ) {
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return lhs.Begin();
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}
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friend const_iterator end( needs_ADL_begin const& rhs ) {
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return rhs.End();
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}
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};
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struct ADL_empty {
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bool Empty() const { return true; }
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friend bool empty( ADL_empty e ) { return e.Empty(); }
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};
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struct ADL_size {
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size_t sz() const { return 12; }
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friend size_t size( ADL_size s ) { return s.sz(); }
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};
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} // namespace unrelated
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#if defined( __clang__ )
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# pragma clang diagnostic push
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# pragma clang diagnostic ignored "-Wunused-function"
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#endif
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template <typename T>
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class has_different_begin_end_types {
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// Using std::vector<T> leads to annoying issues when T is bool
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// so we just use list because the perf is not critical and ugh.
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std::list<T> m_elements;
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// Different type for the "end" iterator
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struct iterator_end {};
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// Fake-ish forward iterator that only compares to a different type
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class iterator {
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using underlying_iter = typename std::list<T>::const_iterator;
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underlying_iter m_start;
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underlying_iter m_end;
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public:
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iterator( underlying_iter start, underlying_iter end ):
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m_start( start ), m_end( end ) {}
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using iterator_category = std::forward_iterator_tag;
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using difference_type = std::ptrdiff_t;
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using value_type = T;
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using const_reference = T const&;
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using pointer = T const*;
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friend bool operator==( iterator iter, iterator_end ) {
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return iter.m_start == iter.m_end;
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}
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friend bool operator==(iterator lhs, iterator rhs) {
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return lhs.m_start == rhs.m_start && lhs.m_end == rhs.m_end;
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}
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friend bool operator!=( iterator iter, iterator_end ) {
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return iter.m_start != iter.m_end;
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}
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friend bool operator!=( iterator lhs, iterator rhs ) {
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return !( lhs == rhs );
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}
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iterator& operator++() {
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++m_start;
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return *this;
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}
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iterator operator++( int ) {
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auto tmp( *this );
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++m_start;
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return tmp;
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}
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const_reference operator*() const { return *m_start; }
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pointer operator->() const { return m_start; }
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};
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public:
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explicit has_different_begin_end_types( std::initializer_list<T> init ):
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m_elements( init ) {}
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iterator begin() const { return { m_elements.begin(), m_elements.end() }; }
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iterator_end end() const { return {}; }
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};
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#if defined( __clang__ )
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# pragma clang diagnostic pop
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#endif
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template <typename T>
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struct with_mocked_iterator_access {
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std::vector<T> m_elements;
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// use plain arrays to have nicer printouts with CHECK(...)
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mutable std::unique_ptr<bool[]> m_derefed;
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// We want to check which elements were dereferenced when iterating, so
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// we can check whether iterator-using code traverses range correctly
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template <bool is_const>
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class basic_iterator {
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template <typename U>
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using constify_t = std::conditional_t<is_const, std::add_const_t<U>, U>;
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constify_t<with_mocked_iterator_access>* m_origin;
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size_t m_origin_idx;
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public:
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using iterator_category = std::forward_iterator_tag;
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using difference_type = std::ptrdiff_t;
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using value_type = constify_t<T>;
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using const_reference = typename std::vector<T>::const_reference;
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using reference = typename std::vector<T>::reference;
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using pointer = typename std::vector<T>::pointer;
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basic_iterator( constify_t<with_mocked_iterator_access>* origin,
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std::size_t origin_idx ):
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m_origin{ origin }, m_origin_idx{ origin_idx } {}
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friend bool operator==( basic_iterator lhs, basic_iterator rhs ) {
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return lhs.m_origin == rhs.m_origin &&
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lhs.m_origin_idx == rhs.m_origin_idx;
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}
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friend bool operator!=( basic_iterator lhs, basic_iterator rhs ) {
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return !( lhs == rhs );
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}
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basic_iterator& operator++() {
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++m_origin_idx;
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return *this;
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}
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basic_iterator operator++( int ) {
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auto tmp( *this );
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++( *this );
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return tmp;
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}
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const_reference operator*() const {
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assert( m_origin_idx < m_origin->m_elements.size() &&
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"Attempted to deref invalid position" );
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m_origin->m_derefed[m_origin_idx] = true;
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return m_origin->m_elements[m_origin_idx];
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}
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pointer operator->() const {
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assert( m_origin_idx < m_origin->m_elements.size() &&
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"Attempted to deref invalid position" );
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return &m_origin->m_elements[m_origin_idx];
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}
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};
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using iterator = basic_iterator<false>;
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using const_iterator = basic_iterator<true>;
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with_mocked_iterator_access( std::initializer_list<T> init ):
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m_elements( init ),
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m_derefed( std::make_unique<bool[]>( m_elements.size() ) ) {}
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const_iterator begin() const { return { this, 0 }; }
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const_iterator end() const { return { this, m_elements.size() }; }
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iterator begin() { return { this, 0 }; }
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iterator end() { return { this, m_elements.size() }; }
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};
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namespace Catch {
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// make sure with_mocked_iterator_access is not considered a range by Catch,
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// so that below StringMaker is used instead of the default one for ranges
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template <typename T>
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struct is_range<with_mocked_iterator_access<T>> : std::false_type {};
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template <typename T>
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struct StringMaker<with_mocked_iterator_access<T>> {
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static std::string
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convert( with_mocked_iterator_access<T> const& access ) {
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// We have to avoid the type's iterators, because we check
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// their use in tests
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return ::Catch::Detail::stringify( access.m_elements );
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}
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};
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} // namespace Catch
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#endif // CATCH_TEST_HELPERS_RANGE_TEST_HELPERS_HPP_INCLUDED
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@ -0,0 +1,55 @@
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// Copyright Catch2 Authors
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// Distributed under the Boost Software License, Version 1.0.
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// (See accompanying file LICENSE.txt or copy at
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// https://www.boost.org/LICENSE_1_0.txt)
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// SPDX-License-Identifier: BSL-1.0
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#ifndef CATCH_TEST_HELPERS_TYPE_WITH_LIT_0_COMPARISONS_HPP_INCLUDED
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#define CATCH_TEST_HELPERS_TYPE_WITH_LIT_0_COMPARISONS_HPP_INCLUDED
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#include <type_traits>
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// Should only be constructible from literal 0.
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// Based on the constructor from pointer trick, used by libstdc++ and libc++
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// (formerly also MSVC, but they've moved to consteval int constructor).
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// Used by `TypeWithLit0Comparisons` for testing comparison
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// ops that only work with literal zero, the way std::*orderings do
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struct ZeroLiteralAsPointer {
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constexpr ZeroLiteralAsPointer( ZeroLiteralAsPointer* ) noexcept {}
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template <typename T,
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typename = std::enable_if_t<!std::is_same<T, int>::value>>
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constexpr ZeroLiteralAsPointer( T ) = delete;
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};
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struct TypeWithLit0Comparisons {
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#define DEFINE_COMP_OP( op ) \
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constexpr friend bool operator op( TypeWithLit0Comparisons, \
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ZeroLiteralAsPointer ) { \
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return true; \
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} \
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constexpr friend bool operator op( ZeroLiteralAsPointer, \
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TypeWithLit0Comparisons ) { \
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return false; \
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} \
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/* std::orderings only have these for ==, but we add them for all \
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operators so we can test all overloads for decomposer */ \
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constexpr friend bool operator op( TypeWithLit0Comparisons, \
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TypeWithLit0Comparisons ) { \
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return true; \
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}
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DEFINE_COMP_OP( < )
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DEFINE_COMP_OP( <= )
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DEFINE_COMP_OP( > )
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DEFINE_COMP_OP( >= )
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DEFINE_COMP_OP( == )
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DEFINE_COMP_OP( != )
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#undef DEFINE_COMP_OP
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};
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#endif // CATCH_TEST_HELPERS_TYPE_WITH_LIT_0_COMPARISONS_HPP_INCLUDED
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