mirror of https://github.com/procxx/kepka.git
116 lines
3.9 KiB
C++
116 lines
3.9 KiB
C++
/*
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* Created by Phil Nash on 21/02/2017.
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* Copyright (c) 2017 Two Blue Cubes Ltd. All rights reserved.
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*
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* Distributed under the Boost Software License, Version 1.0. (See accompanying
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* file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
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*/
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#ifndef TWOBLUECUBES_CATCH_MATCHERS_VECTOR_H_INCLUDED
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#define TWOBLUECUBES_CATCH_MATCHERS_VECTOR_H_INCLUDED
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#include "catch_matchers.h"
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namespace Catch {
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namespace Matchers {
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namespace Vector {
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template<typename T>
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struct ContainsElementMatcher : MatcherBase<std::vector<T>> {
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ContainsElementMatcher(T const &comparator) : m_comparator( comparator) {}
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bool match(std::vector<T> const &v) const override {
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for (auto const& el : v) {
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if (el == m_comparator) {
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return true;
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}
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}
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return false;
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}
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std::string describe() const override {
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return "Contains: " + ::Catch::Detail::stringify( m_comparator );
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}
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T const& m_comparator;
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};
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template<typename T>
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struct ContainsMatcher : MatcherBase<std::vector<T>> {
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ContainsMatcher(std::vector<T> const &comparator) : m_comparator( comparator ) {}
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bool match(std::vector<T> const &v) const override {
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// !TBD: see note in EqualsMatcher
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if (m_comparator.size() > v.size())
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return false;
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for (auto const& comparator : m_comparator) {
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auto present = false;
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for (const auto& el : v) {
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if (el == comparator) {
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present = true;
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break;
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}
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}
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if (!present) {
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return false;
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}
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}
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return true;
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}
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std::string describe() const override {
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return "Contains: " + ::Catch::Detail::stringify( m_comparator );
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}
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std::vector<T> const& m_comparator;
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};
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template<typename T>
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struct EqualsMatcher : MatcherBase<std::vector<T>> {
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EqualsMatcher(std::vector<T> const &comparator) : m_comparator( comparator ) {}
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bool match(std::vector<T> const &v) const override {
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// !TBD: This currently works if all elements can be compared using !=
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// - a more general approach would be via a compare template that defaults
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// to using !=. but could be specialised for, e.g. std::vector<T> etc
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// - then just call that directly
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if (m_comparator.size() != v.size())
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return false;
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for (std::size_t i = 0; i < v.size(); ++i)
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if (m_comparator[i] != v[i])
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return false;
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return true;
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}
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std::string describe() const override {
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return "Equals: " + ::Catch::Detail::stringify( m_comparator );
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}
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std::vector<T> const& m_comparator;
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};
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} // namespace Vector
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// The following functions create the actual matcher objects.
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// This allows the types to be inferred
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template<typename T>
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Vector::ContainsMatcher<T> Contains( std::vector<T> const& comparator ) {
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return Vector::ContainsMatcher<T>( comparator );
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}
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template<typename T>
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Vector::ContainsElementMatcher<T> VectorContains( T const& comparator ) {
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return Vector::ContainsElementMatcher<T>( comparator );
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}
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template<typename T>
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Vector::EqualsMatcher<T> Equals( std::vector<T> const& comparator ) {
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return Vector::EqualsMatcher<T>( comparator );
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}
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} // namespace Matchers
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} // namespace Catch
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#endif // TWOBLUECUBES_CATCH_MATCHERS_VECTOR_H_INCLUDED
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