forked from boostorg/core
40 lines
851 B
C++
40 lines
851 B
C++
//
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// Test for BOOST_TEST_WITH
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//
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// Copyright (c) 2020 Bjorn Reese
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//
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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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//
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#include <boost/core/lightweight_test.hpp>
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#include <cmath>
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template <typename T>
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struct with_tolerance
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{
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with_tolerance(T tolerance) : tolerance(tolerance) {}
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bool operator()(T lhs, T rhs) const
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{
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return (std::abs(lhs - rhs) <= tolerance);
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}
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private:
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T tolerance;
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};
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void test_tolerance_predicate()
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{
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BOOST_TEST_WITH( 1.0, 1.0, with_tolerance<double>(1e-5) );
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BOOST_TEST_WITH( 1.0, 1.0 - 1e-6, with_tolerance<double>(1e-5) );
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BOOST_TEST_WITH( 1.0, 1.0 + 1e-6, with_tolerance<double>(1e-5) );
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}
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int main()
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{
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test_tolerance_predicate();
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return boost::report_errors();
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}
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