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Cleanup vector matchers
Once again, added doxygen comments and removed the inner-most namespace.
This commit is contained in:
Martin Hořeňovský
parent
904c47a634
commit
ca5af2e85b
@ -16,164 +16,172 @@
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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 final : MatcherBase<std::vector<T>> {
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template<typename T>
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struct ContainsElementMatcher final : MatcherBase<std::vector<T>> {
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ContainsElementMatcher(T const &comparator) : m_comparator( comparator) {}
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ContainsElementMatcher(T const& comparator):
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m_comparator(comparator)
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{}
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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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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 final : MatcherBase<std::vector<T>> {
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ContainsMatcher(std::vector<T> const& comparator):
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m_comparator(comparator)
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{}
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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 final : 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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template<typename T>
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struct ApproxMatcher final : MatcherBase<std::vector<T>> {
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ApproxMatcher(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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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] != approx(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 "is approx: " + ::Catch::Detail::stringify( m_comparator );
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}
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template <typename = std::enable_if_t<std::is_constructible<double, T>::value>>
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ApproxMatcher& epsilon( T const& newEpsilon ) {
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approx.epsilon(newEpsilon);
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return *this;
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}
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template <typename = std::enable_if_t<std::is_constructible<double, T>::value>>
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ApproxMatcher& margin( T const& newMargin ) {
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approx.margin(newMargin);
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return *this;
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}
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template <typename = std::enable_if_t<std::is_constructible<double, T>::value>>
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ApproxMatcher& scale( T const& newScale ) {
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approx.scale(newScale);
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return *this;
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}
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std::vector<T> const& m_comparator;
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mutable Catch::Approx approx = Catch::Approx::custom();
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};
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template<typename T>
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struct UnorderedEqualsMatcher final : MatcherBase<std::vector<T>> {
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UnorderedEqualsMatcher(std::vector<T> const& target) : m_target(target) {}
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bool match(std::vector<T> const& vec) const override {
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// Note: This is a reimplementation of std::is_permutation,
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// because I don't want to include <algorithm> inside the common path
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if (m_target.size() != vec.size()) {
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return false;
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}
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return std::is_permutation(m_target.begin(), m_target.end(), vec.begin());
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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::string describe() const override {
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return "UnorderedEquals: " + ::Catch::Detail::stringify(m_target);
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}
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private:
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std::vector<T> const& m_target;
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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 final : 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 final : 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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template<typename T>
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struct ApproxMatcher final : MatcherBase<std::vector<T>> {
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ApproxMatcher(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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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] != approx(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 "is approx: " + ::Catch::Detail::stringify( m_comparator );
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}
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template <typename = std::enable_if_t<std::is_constructible<double, T>::value>>
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ApproxMatcher& epsilon( T const& newEpsilon ) {
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approx.epsilon(newEpsilon);
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return *this;
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}
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template <typename = std::enable_if_t<std::is_constructible<double, T>::value>>
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ApproxMatcher& margin( T const& newMargin ) {
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approx.margin(newMargin);
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return *this;
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}
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template <typename = std::enable_if_t<std::is_constructible<double, T>::value>>
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ApproxMatcher& scale( T const& newScale ) {
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approx.scale(newScale);
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return *this;
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}
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std::vector<T> const& m_comparator;
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mutable Catch::Approx approx = Catch::Approx::custom();
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};
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template<typename T>
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struct UnorderedEqualsMatcher final : MatcherBase<std::vector<T>> {
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UnorderedEqualsMatcher(std::vector<T> const& target) : m_target(target) {}
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bool match(std::vector<T> const& vec) const override {
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// Note: This is a reimplementation of std::is_permutation,
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// because I don't want to include <algorithm> inside the common path
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if (m_target.size() != vec.size()) {
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return false;
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}
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return std::is_permutation(m_target.begin(), m_target.end(), vec.begin());
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}
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std::string describe() const override {
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return "UnorderedEquals: " + ::Catch::Detail::stringify(m_target);
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}
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private:
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std::vector<T> const& m_target;
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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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//! Creates a matcher that matches vectors that contain all elements in `comparator`
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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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ContainsMatcher<T> Contains( std::vector<T> const& comparator ) {
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return ContainsMatcher<T>( comparator );
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}
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//! Creates a matcher that matches vectors that contain `comparator` as an element
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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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ContainsElementMatcher<T> VectorContains( T const& comparator ) {
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return ContainsElementMatcher<T>( comparator );
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}
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//! Creates a matcher that matches vectors that are exactly equal to `comparator`
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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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EqualsMatcher<T> Equals( std::vector<T> const& comparator ) {
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return EqualsMatcher<T>( comparator );
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}
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//! Creates a matcher that matches vectors that `comparator` as an element
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template<typename T>
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Vector::ApproxMatcher<T> Approx( std::vector<T> const& comparator ) {
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return Vector::ApproxMatcher<T>( comparator );
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ApproxMatcher<T> Approx( std::vector<T> const& comparator ) {
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return ApproxMatcher<T>( comparator );
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}
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//! Creates a matcher that matches vectors that is equal to `target` modulo permutation
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template<typename T>
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Vector::UnorderedEqualsMatcher<T> UnorderedEquals(std::vector<T> const& target) {
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return Vector::UnorderedEqualsMatcher<T>(target);
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UnorderedEqualsMatcher<T> UnorderedEquals(std::vector<T> const& target) {
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return UnorderedEqualsMatcher<T>(target);
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}
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} // namespace Matchers
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