Rewrite format and parse in terms of detail::fields<Duration>

* Add format and parse to utc_time<Duration>. * Added more tests.
2017-02-25 20:44:59 -05:00
parent 3233cbaf9a
commit e9d36c6200
13 changed files with 1205 additions and 861 deletions
@@ -0,0 +1,63 @@
+// The MIT License (MIT)
+//
+// Copyright (c) 2017 Howard Hinnant
+//
+// 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.
+
+// template <unsigned w>
+// struct make_precision
+// {
+//     using type = std::chrono::duration<std::int64_t,
+//                                        std::ratio<1, static_pow10<w>::value>>;
+//     static constexpr unsigned width = w;
+// };
+
+#include "date.h"
+
+#include <cstdint>
+#include <type_traits>
+
+int
+main()
+{
+    using namespace date::detail;
+    using namespace std;
+    using namespace std::chrono;
+
+    static_assert(make_precision<0>::width ==  0, "");
+    static_assert(is_same<make_precision<0>::type, duration<int64_t, ratio<1, 1>>>{}, "");
+
+    static_assert(make_precision<1>::width ==  1, "");
+    static_assert(is_same<make_precision<1>::type, duration<int64_t, ratio<1, 10>>>{}, "");
+
+    static_assert(make_precision<2>::width ==  2, "");
+    static_assert(is_same<make_precision<2>::type, duration<int64_t, ratio<1, 100>>>{}, "");
+
+    static_assert(make_precision<3>::width ==  3, "");
+    static_assert(is_same<make_precision<3>::type, duration<int64_t, ratio<1, 1000>>>{}, "");
+
+    static_assert(make_precision<18>::width ==  18, "");
+    static_assert(is_same<make_precision<18>::type, duration<int64_t, ratio<1, 1000000000000000000>>>{}, "");
+
+    static_assert(make_precision<19>::width ==  6, "");
+    static_assert(is_same<make_precision<19>::type, microseconds>{}, "");
+
+    static_assert(make_precision<20>::width ==  6, "");
+    static_assert(is_same<make_precision<20>::type, microseconds>{}, "");
+}