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Added a vector approximate matcher

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This commit is contained in:
Will Handley 2019-01-14 14:31:09 +00:00 • committed by Martin Hořeňovský
parent 45e552528d
commit 91b617c462
7 changed files with 350 additions and 8 deletions
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42
include/internal/catch_matchers_vector.h
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@ -9,6 +9,7 @@
#define TWOBLUECUBES_CATCH_MATCHERS_VECTOR_H_INCLUDED
#include "catch_matchers.h"
#include "catch_approx.h"
#include <algorithm>
@ -90,6 +91,42 @@ namespace Matchers {
std::vector<T> const& m_comparator;
};
template<typename T>
struct ApproxMatcher : MatcherBase<std::vector<T>> {
ApproxMatcher(std::vector<T> const& comparator) : m_comparator( comparator ) {}
bool match(std::vector<T> const &v) const override {
if (m_comparator.size() != v.size())
return false;
for (std::size_t i = 0; i < v.size(); ++i)
if (m_comparator[i] != approx(v[i]))
return false;
return true;
}
std::string describe() const override {
return "is approx: " + ::Catch::Detail::stringify( m_comparator );
}
template <typename = typename std::enable_if<std::is_constructible<double, T>::value>::type>
ApproxMatcher& epsilon( T const& newEpsilon ) {
approx.epsilon(newEpsilon);
return *this;
}
template <typename = typename std::enable_if<std::is_constructible<double, T>::value>::type>
ApproxMatcher& margin( T const& newMargin ) {
approx.margin(newMargin);
return *this;
}
template <typename = typename std::enable_if<std::is_constructible<double, T>::value>::type>
ApproxMatcher& scale( T const& newScale ) {
approx.scale(newScale);
return *this;
}
std::vector<T> const& m_comparator;
mutable Catch::Detail::Approx approx = Catch::Detail::Approx::custom();
};
template<typename T>
struct UnorderedEqualsMatcher : MatcherBase<std::vector<T>> {
UnorderedEqualsMatcher(std::vector<T> const& target) : m_target(target) {}
@ -129,6 +166,11 @@ namespace Matchers {
return Vector::EqualsMatcher<T>( comparator );
}
template<typename T>
Vector::ApproxMatcher<T> Approx( std::vector<T> const& comparator ) {
return Vector::ApproxMatcher<T>( comparator );
}
template<typename T>
Vector::UnorderedEqualsMatcher<T> UnorderedEquals(std::vector<T> const& target) {
return Vector::UnorderedEqualsMatcher<T>(target);