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// Copyright Joakim Karlsson & Kim Gräsman 2010-2012.
// Distributed under the Boost Software License, Version 1.0.
// (See accompanying file LICENSE_1_0.txt or copy at
// http://www.boost.org/LICENSE_1_0.txt)
#ifndef IGLOO_EXACTLYOPERATOR_H
#define IGLOO_EXACTLYOPERATOR_H
namespace snowhouse {
struct ExactlyOperator : public CollectionOperator
{
ExactlyOperator(unsigned int expected) : m_expected(expected) {}
template <typename ConstraintListType, typename ActualType>
void Evaluate(ConstraintListType& list, ResultStack& result, OperatorStack& operators, const ActualType& actual)
{
unsigned int passed_elements = CollectionConstraintEvaluator<ConstraintListType, ActualType>::Evaluate(*this, list, result, operators, actual);
result.push(passed_elements == m_expected);
}
unsigned int m_expected;
};
template<>
struct Stringizer< ExactlyOperator >
{
static std::string ToString(const ExactlyOperator& op)
{
std::ostringstream stm;
stm << "exactly " << op.m_expected;
return stm.str();
}
};
}
#endif
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