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// Copyright (c) 2015 Boost.Test team
// 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)
// See http://www.boost.org/libs/test for the library home page.
//[example_code
#define BOOST_TEST_MODULE tolerance_03
#include <boost/test/included/unit_test.hpp>
namespace utf = boost::unit_test;
double x = 10.000000;
double d = 0.000001;
BOOST_AUTO_TEST_CASE(passing, * utf::tolerance(0.0001))
{
BOOST_TEST(x == x + d); // equal with tolerance
BOOST_TEST(x >= x + d); // ==> greater-or-equal
BOOST_TEST(d == .0); // small with tolerance
}
BOOST_AUTO_TEST_CASE(failing, * utf::tolerance(0.0001))
{
BOOST_TEST(x - d < x); // less, but still too close
BOOST_TEST(x - d != x); // unequal but too close
BOOST_TEST(d > .0); // positive, but too small
BOOST_TEST(d < .0); // not sufficiently negative
}
//]
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