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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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