1 // Copyright (c) 2015 Boost.Test team 2 // Distributed under the Boost Software License, Version 1.0. 3 // (See accompanying file LICENSE_1_0.txt or copy at 4 // http://www.boost.org/LICENSE_1_0.txt) 5 6 // See http://www.boost.org/libs/test for the library home page. 7 8 //[example_code 9 #define BOOST_TEST_MODULE tolerance_05 10 #include <boost/test/included/unit_test.hpp> 11 #include <boost/optional.hpp> 12 #include <boost/optional/optional_io.hpp> 13 14 BOOST_AUTO_TEST_CASE(test, * boost::unit_test::tolerance(0.02)) 15 { 16 double d1 = 1.00, d2 = 0.99; 17 boost::optional<double> o1 = 1.00, o2 = 0.99; 18 19 BOOST_TEST(d1 == d2); // with tolerance (double vs. double) 20 BOOST_TEST(o1 == o2); // without tolerance (optional vs. optional) 21 BOOST_TEST(o1 == d2); // without tolerance (optional vs. double) 22 BOOST_TEST(*o1 == *o2); // with tolerance (double vs. double) 23 } 24 //] 25