33 lines
937 B
C++
33 lines
937 B
C++
// Copyright (c) 2015 Boost.Test team
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// Distributed under the Boost Software License, Version 1.0.
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// (See accompanying file LICENSE_1_0.txt or copy at
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// http://www.boost.org/LICENSE_1_0.txt)
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// See http://www.boost.org/libs/test for the library home page.
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//[example_code
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#define BOOST_TEST_MODULE tolerance_03
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#include <boost/test/included/unit_test.hpp>
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namespace utf = boost::unit_test;
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double x = 10.000000;
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double d = 0.000001;
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BOOST_AUTO_TEST_CASE(passing, * utf::tolerance(0.0001))
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{
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BOOST_TEST(x == x + d); // equal with tolerance
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BOOST_TEST(x >= x + d); // ==> greater-or-equal
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BOOST_TEST(d == .0); // small with tolerance
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}
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BOOST_AUTO_TEST_CASE(failing, * utf::tolerance(0.0001))
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{
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BOOST_TEST(x - d < x); // less, but still too close
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BOOST_TEST(x - d != x); // unequal but too close
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BOOST_TEST(d > .0); // positive, but too small
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BOOST_TEST(d < .0); // not sufficiently negative
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}
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//]
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