test: IAU system tests added

test/unit_test/static/CMakeLists.txt

@@ -46,6 +46,7 @@ add_library(
     # fps_test.cpp
     fractional_exponent_quantity.cpp
     hep_test.cpp
+    iau_test.cpp
     iec80000_test.cpp
     imperial_test.cpp
     international_test.cpp

test/unit_test/static/iau_test.cpp

@@ -0,0 +1,49 @@
+// The MIT License (MIT)
+//
+// Copyright (c) 2018 Mateusz Pusz
+//
+// Permission is hereby granted, free of charge, to any person obtaining a copy
+// of this software and associated documentation files (the "Software"), to deal
+// in the Software without restriction, including without limitation the rights
+// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+// copies of the Software, and to permit persons to whom the Software is
+// furnished to do so, subject to the following conditions:
+//
+// The above copyright notice and this permission notice shall be included in all
+// copies or substantial portions of the Software.
+//
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+// SOFTWARE.
+
+#include <mp-units/math.h>
+#include <mp-units/systems/iau/iau.h>
+#include <mp-units/systems/si/unit_symbols.h>
+
+/* ************** DERIVED DIMENSIONS THAT INCLUDE UNITS WITH SPECIAL NAMES **************** */
+
+namespace {
+
+using namespace mp_units;
+using namespace mp_units::iau;
+using namespace mp_units::iau::unit_symbols;
+using enum mp_units::quantity_character;
+
+static_assert(isq::time(1 * D) == 86'400 * si::second);
+static_assert(isq::time(1 * a) == 365.25 * D);
+
+static_assert(isq::length(1 * au) == 149'597'870'700 * si::metre);
+static_assert(isq::length(1 * LD) == 384'399 * si::kilo<si::metre>);
+static_assert(isq::length(1 * ly) == 9'460'730'472'580'800 * si::metre);
+
+// TODO Should the below work for `1 * pc`? If yes, how to extent the type and how to convert it to a floating-point
+// representation for comparison purposes?
+static_assert(round<si::metre>(isq::length(1.L * pc)) == 30'856'775'814'913'673 * si::metre);
+
+static_assert(isq::speed(1 * c_0) == 299'792'458 * (si::metre / si::second));
+
+}  // namespace