Initial version

test/test_dimension.cpp

@@ -0,0 +1,65 @@
+// 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 "units/dimension.h"
+#include <gtest/gtest.h>
+#include <utility>
+
+using namespace units;
+
+namespace {
+
+  template<int Id, int Value>
+  using e = exp<dim_id<Id>, Value>;
+}
+
+// make_dimension
+
+static_assert(std::is_same_v<make_dimension_t<e<0, 1>>, dimension<e<0, 1>>>);
+static_assert(std::is_same_v<make_dimension_t<e<0, 1>, e<1, 1>>, dimension<e<0, 1>, e<1, 1>>>);
+static_assert(std::is_same_v<make_dimension_t<e<1, 1>, e<0, 1>>, dimension<e<0, 1>, e<1, 1>>>);
+static_assert(std::is_same_v<make_dimension_t<e<1, 1>, e<1, 1>>, dimension<e<1, 2>>>);
+static_assert(std::is_same_v<make_dimension_t<e<1, 1>, e<1, -1>>, dimension<detail::scalar>>);
+
+static_assert(std::is_same_v<make_dimension_t<e<0, 1>, e<1, 1>, e<0, 1>, e<1, 1>>, dimension<e<0, 2>, e<1, 2>>>);
+static_assert(std::is_same_v<make_dimension_t<e<0, -1>, e<1, -1>, e<0, -1>, e<1, -1>>, dimension<e<0, -2>, e<1, -2>>>);
+
+static_assert(std::is_same_v<make_dimension_t<e<0, 1>, e<1, 1>, e<1, -1>>, dimension<e<0, 1>>>);
+static_assert(std::is_same_v<make_dimension_t<e<0, 1>, e<0, -1>, e<1, 1>>, dimension<e<1, 1>>>);
+static_assert(std::is_same_v<make_dimension_t<e<0, 1>, e<1, 1>, e<0, -1>>, dimension<e<1, 1>>>);
+static_assert(std::is_same_v<make_dimension_t<e<0, 1>, e<1, 1>, e<0, -1>, e<1, -1>>, dimension<detail::scalar>>);
+
+// dimension_multiply
+
+static_assert(
+    std::is_same_v<dimension_multiply_t<dimension<e<0, 1>>, dimension<e<1, 1>>>, dimension<e<0, 1>, e<1, 1>>>);
+static_assert(std::is_same_v<dimension_multiply_t<dimension<e<0, 1>, e<1, 1>, e<2, 1>>, dimension<e<3, 1>>>,
+                             dimension<e<0, 1>, e<1, 1>, e<2, 1>, e<3, 1>>>);
+static_assert(std::is_same_v<dimension_multiply_t<dimension<e<0, 1>, e<1, 1>, e<2, 1>>, dimension<e<1, 1>>>,
+                             dimension<e<0, 1>, e<1, 2>, e<2, 1>>>);
+static_assert(std::is_same_v<dimension_multiply_t<dimension<e<0, 1>, e<1, 1>, e<2, 1>>, dimension<e<1, -1>>>,
+                             dimension<e<0, 1>, e<2, 1>>>);
+
+// dimension_divide
+
+static_assert(std::is_same_v<dimension_divide_t<dimension<e<0, 1>>, dimension<e<1, 1>>>, dimension<e<0, 1>, e<1, -1>>>);
+static_assert(std::is_same_v<dimension_divide_t<dimension<e<0, 1>>, dimension<e<0, 1>>>, dimension<detail::scalar>>);