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//
// Test for BOOST_TEST_WITH
//
// Copyright (c) 2020 Bjorn Reese
//
// 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
//
#include <boost/core/lightweight_test.hpp>
#include <cmath>
template <typename T>
struct with_tolerance
{
with_tolerance(T tolerance) : tolerance(tolerance) {}
bool operator()(T lhs, T rhs) const
{
return (std::abs(lhs - rhs) <= tolerance);
}
private:
T tolerance;
};
void test_tolerance_predicate()
{
BOOST_TEST_WITH( 1.0, 1.0, with_tolerance<double>(1e-5) );
BOOST_TEST_WITH( 1.0, 1.0 - 1e-6, with_tolerance<double>(1e-5) );
BOOST_TEST_WITH( 1.0, 1.0 + 1e-6, with_tolerance<double>(1e-5) );
}
int main()
{
test_tolerance_predicate();
return boost::report_errors();
}
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