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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_STARTSWITHCONSTRAINT_H
#define IGLOO_STARTSWITHCONSTRAINT_H
#include "./expressions/expression.h"
namespace snowhouse {
template <typename ExpectedType>
struct StartsWithConstraint : Expression< StartsWithConstraint<ExpectedType> >
{
StartsWithConstraint(const ExpectedType& expected)
: m_expected(expected) {}
bool operator()(const std::string& actual) const
{
return actual.find(m_expected) == 0;
}
ExpectedType m_expected;
};
template< typename ExpectedType >
inline StartsWithConstraint<ExpectedType> StartsWith(const ExpectedType& expected)
{
return StartsWithConstraint<ExpectedType>(expected);
}
inline StartsWithConstraint<std::string> StartsWith(const char* expected)
{
return StartsWithConstraint<std::string>(expected);
}
template< typename ExpectedType >
struct Stringizer< StartsWithConstraint< ExpectedType > >
{
static std::string ToString(const StartsWithConstraint<ExpectedType>& constraint)
{
std::ostringstream builder;
builder << "starts with " << snowhouse::Stringize(constraint.m_expected);
return builder.str();
}
};
}
#endif
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