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73 lines
3.1 KiB
C++
73 lines
3.1 KiB
C++
// The MIT License (MIT)
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//
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// Copyright (c) 2018 Mateusz Pusz
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//
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// Permission is hereby granted, free of charge, to any person obtaining a copy
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// of this software and associated documentation files (the "Software"), to deal
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// in the Software without restriction, including without limitation the rights
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// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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// copies of the Software, and to permit persons to whom the Software is
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// furnished to do so, subject to the following conditions:
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//
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// The above copyright notice and this permission notice shall be included in all
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// copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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// SOFTWARE.
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#include "test_tools.h"
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#include <units/base_dimension.h>
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#include <units/bits/equivalent.h>
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#include <units/bits/external/downcasting.h>
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#include <units/derived_dimension.h>
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#include <units/isq/si/prefixes.h>
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#include <units/unit.h>
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namespace {
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using namespace units;
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using namespace units::isq;
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struct metre : named_unit<metre, "m"> {};
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struct centimetre : prefixed_unit<centimetre, si::centi, metre> {};
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struct kilometre : prefixed_unit<kilometre, si::kilo, metre> {};
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struct yard : named_scaled_unit<yard, "yd", mag<ratio{9'144, 10'000}>(), metre> {};
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struct foot : named_scaled_unit<foot, "ft", mag<ratio(1, 3)>(), yard> {};
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struct dim_length : base_dimension<"length", metre> {};
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struct second : named_unit<second, "s"> {};
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struct hour : named_scaled_unit<hour, "h", mag<3600>(), second> {};
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struct dim_time : base_dimension<"time", second> {};
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struct kelvin : named_unit<kelvin, "K"> {};
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#if !UNITS_COMP_MSVC
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static_assert([]<Prefix P>(P) {
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return !requires { typename prefixed_unit<struct kilokilometre, P, kilometre>; };
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}(si::kilo{})); // no prefix allowed
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#endif
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struct metre_per_second : derived_unit<metre_per_second> {};
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struct dim_speed :
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derived_dimension<dim_speed, metre_per_second, units::exponent<dim_length, 1>, units::exponent<dim_time, -1>> {};
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struct kilometre_per_hour : derived_scaled_unit<kilometre_per_hour, dim_speed, kilometre, hour> {};
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static_assert(equivalent<metre::named_unit, metre>);
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static_assert(equivalent<metre::scaled_unit, metre>);
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static_assert(compare<downcast<scaled_unit<mag<1>(), metre>>, metre>);
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static_assert(compare<downcast<scaled_unit<mag<ratio(1, 100)>(), metre>>, centimetre>);
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static_assert(compare<downcast<scaled_unit<yard::mag, metre>>, yard>);
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static_assert(compare<downcast<scaled_unit<yard::mag / mag<3>(), metre>>, foot>);
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static_assert(compare<downcast<scaled_unit<kilometre::mag / hour::mag, metre_per_second>>, kilometre_per_hour>);
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static_assert(centimetre::symbol == "cm");
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static_assert(kilometre::symbol == "km");
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static_assert(kilometre_per_hour::symbol == "km/h");
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} // namespace
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