test/doc/examples/tolerance_05.run-fail.cpp
Raffi Enficiaud 80d342a806 Relaxed tolerance based comparisons
It is now possible to compare a type that is tolerance based together
with a type that is not necessarily tolerance based but still
arithmetic.

Doc update and tests.
2019-02-08 01:32:54 +01:00

25 lines
882 B
C++

// 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_05
#include <boost/test/included/unit_test.hpp>
#include <boost/optional.hpp>
#include <boost/optional/optional_io.hpp>
BOOST_AUTO_TEST_CASE(test, * boost::unit_test::tolerance(0.02))
{
double d1 = 1.00, d2 = 0.99;
boost::optional<double> o1 = 1.00, o2 = 0.99;
BOOST_TEST(d1 == d2); // with tolerance (double vs. double)
BOOST_TEST(o1 == o2); // without tolerance (optional vs. optional)
BOOST_TEST(o1 == d2); // without tolerance (optional vs. double)
BOOST_TEST(*o1 == *o2); // with tolerance (double vs. double)
}
//]