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Support custom allocators in vector Matchers (#1909)

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This commit is contained in:
schallerr
2020-04-16 15:36:54 +02:00
committed by GitHub
parent fa4a93e051
commit 38f897c887
7 changed files with 222 additions and 48 deletions
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78
include/internal/catch_matchers_vector.h
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@@ -17,12 +17,12 @@ namespace Catch {
namespace Matchers {
namespace Vector {
template<typename T>
struct ContainsElementMatcher : MatcherBase<std::vector<T>> {
template<typename T, typename Alloc>
struct ContainsElementMatcher : MatcherBase<std::vector<T, Alloc>> {
ContainsElementMatcher(T const &comparator) : m_comparator( comparator) {}
bool match(std::vector<T> const &v) const override {
bool match(std::vector<T, Alloc> const &v) const override {
for (auto const& el : v) {
if (el == m_comparator) {
return true;
@@ -38,12 +38,12 @@ namespace Matchers {
T const& m_comparator;
};
template<typename T>
struct ContainsMatcher : MatcherBase<std::vector<T>> {
template<typename T, typename AllocComp, typename AllocMatch>
struct ContainsMatcher : MatcherBase<std::vector<T, AllocMatch>> {
ContainsMatcher(std::vector<T> const &comparator) : m_comparator( comparator ) {}
ContainsMatcher(std::vector<T, AllocComp> const &comparator) : m_comparator( comparator ) {}
bool match(std::vector<T> const &v) const override {
bool match(std::vector<T, AllocMatch> const &v) const override {
// !TBD: see note in EqualsMatcher
if (m_comparator.size() > v.size())
return false;
@@ -65,18 +65,18 @@ namespace Matchers {
return "Contains: " + ::Catch::Detail::stringify( m_comparator );
}
std::vector<T> const& m_comparator;
std::vector<T, AllocComp> const& m_comparator;
};
template<typename T>
struct EqualsMatcher : MatcherBase<std::vector<T>> {
template<typename T, typename AllocComp, typename AllocMatch>
struct EqualsMatcher : MatcherBase<std::vector<T, AllocMatch>> {
EqualsMatcher(std::vector<T> const &comparator) : m_comparator( comparator ) {}
EqualsMatcher(std::vector<T, AllocComp> const &comparator) : m_comparator( comparator ) {}
bool match(std::vector<T> const &v) const override {
bool match(std::vector<T, AllocMatch> const &v) const override {
// !TBD: This currently works if all elements can be compared using !=
// - a more general approach would be via a compare template that defaults
// to using !=. but could be specialised for, e.g. std::vector<T> etc
// to using !=. but could be specialised for, e.g. std::vector<T, Alloc> etc
// - then just call that directly
if (m_comparator.size() != v.size())
return false;
@@ -88,15 +88,15 @@ namespace Matchers {
std::string describe() const override {
return "Equals: " + ::Catch::Detail::stringify( m_comparator );
}
std::vector<T> const& m_comparator;
std::vector<T, AllocComp> const& m_comparator;
};
template<typename T>
struct ApproxMatcher : MatcherBase<std::vector<T>> {
template<typename T, typename AllocComp, typename AllocMatch>
struct ApproxMatcher : MatcherBase<std::vector<T, AllocMatch>> {
ApproxMatcher(std::vector<T> const& comparator) : m_comparator( comparator ) {}
ApproxMatcher(std::vector<T, AllocComp> const& comparator) : m_comparator( comparator ) {}
bool match(std::vector<T> const &v) const override {
bool match(std::vector<T, AllocMatch> const &v) const override {
if (m_comparator.size() != v.size())
return false;
for (std::size_t i = 0; i < v.size(); ++i)
@@ -123,14 +123,14 @@ namespace Matchers {
return *this;
}
std::vector<T> const& m_comparator;
std::vector<T, AllocComp> 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) {}
bool match(std::vector<T> const& vec) const override {
template<typename T, typename AllocComp, typename AllocMatch>
struct UnorderedEqualsMatcher : MatcherBase<std::vector<T, AllocMatch>> {
UnorderedEqualsMatcher(std::vector<T, AllocComp> const& target) : m_target(target) {}
bool match(std::vector<T, AllocMatch> const& vec) const override {
// Note: This is a reimplementation of std::is_permutation,
// because I don't want to include <algorithm> inside the common path
if (m_target.size() != vec.size()) {
@@ -143,7 +143,7 @@ namespace Matchers {
return "UnorderedEquals: " + ::Catch::Detail::stringify(m_target);
}
private:
std::vector<T> const& m_target;
std::vector<T, AllocComp> const& m_target;
};
} // namespace Vector
@@ -151,29 +151,29 @@ namespace Matchers {
// The following functions create the actual matcher objects.
// This allows the types to be inferred
template<typename T>
Vector::ContainsMatcher<T> Contains( std::vector<T> const& comparator ) {
return Vector::ContainsMatcher<T>( comparator );
template<typename T, typename AllocComp, typename AllocMatch = AllocComp>
Vector::ContainsMatcher<T, AllocComp, AllocMatch> Contains( std::vector<T, AllocComp> const& comparator ) {
return Vector::ContainsMatcher<T, AllocComp, AllocMatch>( comparator );
}
template<typename T>
Vector::ContainsElementMatcher<T> VectorContains( T const& comparator ) {
return Vector::ContainsElementMatcher<T>( comparator );
template<typename T, typename Alloc = std::allocator<T>>
Vector::ContainsElementMatcher<T, Alloc> VectorContains( T const& comparator ) {
return Vector::ContainsElementMatcher<T, Alloc>( comparator );
}
template<typename T>
Vector::EqualsMatcher<T> Equals( std::vector<T> const& comparator ) {
return Vector::EqualsMatcher<T>( comparator );
template<typename T, typename AllocComp, typename AllocMatch = AllocComp>
Vector::EqualsMatcher<T, AllocComp, AllocMatch> Equals( std::vector<T, AllocComp> const& comparator ) {
return Vector::EqualsMatcher<T, AllocComp, AllocMatch>( comparator );
}
template<typename T>
Vector::ApproxMatcher<T> Approx( std::vector<T> const& comparator ) {
return Vector::ApproxMatcher<T>( comparator );
template<typename T, typename AllocComp, typename AllocMatch = AllocComp>
Vector::ApproxMatcher<T, AllocComp, AllocMatch> Approx( std::vector<T, AllocComp> const& comparator ) {
return Vector::ApproxMatcher<T, AllocComp, AllocMatch>( comparator );
}
template<typename T>
Vector::UnorderedEqualsMatcher<T> UnorderedEquals(std::vector<T> const& target) {
return Vector::UnorderedEqualsMatcher<T>(target);
template<typename T, typename AllocComp, typename AllocMatch = AllocComp>
Vector::UnorderedEqualsMatcher<T, AllocComp, AllocMatch> UnorderedEquals(std::vector<T, AllocComp> const& target) {
return Vector::UnorderedEqualsMatcher<T, AllocComp, AllocMatch>( target );
}
} // namespace Matchers