37429b3234
On this platform sizeof(long double) == sizeof(double). Conditionally test the combination of those types only if long double is greater.
79 lines
2.5 KiB
C++
79 lines
2.5 KiB
C++
// Boost.Geometry (aka GGL, Generic Geometry Library)
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// Unit Test
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// Copyright (c) 2007-2012 Barend Gehrels, Amsterdam, the Netherlands.
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// Copyright (c) 2008-2012 Bruno Lalande, Paris, France.
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// Copyright (c) 2009-2012 Mateusz Loskot, London, UK.
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// Parts of Boost.Geometry are redesigned from Geodan's Geographic Library
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// (geolib/GGL), copyright (c) 1995-2010 Geodan, Amsterdam, the Netherlands.
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// Use, modification and distribution is subject to the Boost Software License,
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// Version 1.0. (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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#include <geometry_test_common.hpp>
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#include <boost/geometry/util/select_most_precise.hpp>
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struct user_defined {};
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template <typename T1, typename T2, typename ExpectedType>
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void test()
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{
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typedef typename bg::select_most_precise<T1, T2>::type type;
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bool is_same = boost::is_same<type, ExpectedType>::type::value;
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BOOST_CHECK_MESSAGE(is_same,
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"The most precise of types " <<
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"T1: {" << typeid(T1).name() << " | s: " << sizeof(T1) << "}" <<
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" and " <<
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"T2: {" << typeid(T2).name() << " | s: " << sizeof(T2) << "}" <<
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" does not match " <<
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"ExpectedType: {" << typeid(ExpectedType).name() << " | s: " << sizeof(ExpectedType) << "}");
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}
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int test_main(int, char* [])
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{
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// fp only
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test<float, float, float>();
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test<float, double, double>();
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test<double, float, double>();
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test<double, double, double>();
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// integer only
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test<int, int, int>();
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test<int, short int, int>();
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test<short int, int, int>();
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test<short int, short int, short int>();
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// int/fp
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test<double, int, double>();
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test<int, double, double>();
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test<long double, long double, long double>();
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test<float, int, float>();
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test<int, float, float>();
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if ( sizeof(long double) > sizeof(double) )
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{
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// This cannot be done for MSVC because double/long double is the same
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// This is also true for Android
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test<double, long double, long double>();
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test<long double, double, long double>();
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}
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// with any other non-integer/float class
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test<int, user_defined, user_defined>();
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test<user_defined, int, user_defined>();
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test<long double, user_defined, user_defined>();
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test<user_defined, long double, user_defined>();
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test<user_defined, user_defined, user_defined>();
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// should not compile
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//test<void, void, void>();
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return 0;
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}
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