Recommit <chrono> changes with a couple xtra tests marked to fail on apple's clang. Reviewed as D51762

llvm-svn: 344627

1 files changed, 52 insertions, 0 deletions

diff --git a/libcxx/test/std/utilities/time/time.cal/time.cal.year/time.cal.year.members/increment.pass.cpp b/libcxx/test/std/utilities/time/time.cal/time.cal.year/time.cal.year.members/increment.pass.cpp
new file mode 100644
index 00000000000..ec21990c019
--- /dev/null
+++ b/libcxx/test/std/utilities/time/time.cal/time.cal.year/time.cal.year.members/increment.pass.cpp
@@ -0,0 +1,52 @@
+//===----------------------------------------------------------------------===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is dual licensed under the MIT and the University of Illinois Open
+// Source Licenses. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+// UNSUPPORTED: c++03, c++11, c++14, c++17
+
+// <chrono>
+// class year;
+
+//  constexpr year& operator++() noexcept;
+//  constexpr year operator++(int) noexcept;
+
+
+#include <chrono>
+#include <type_traits>
+#include <cassert>
+
+#include "test_macros.h"
+
+template <typename Y>
+constexpr bool testConstexpr()
+{
+    Y y1{10};
+    if (static_cast<int>(++y1) != 11) return false;
+    if (static_cast<int>(y1++) != 11) return false;
+    if (static_cast<int>(y1)   != 12) return false;
+    return true;
+}
+
+int main()
+{
+    using year = std::chrono::year;
+    ASSERT_NOEXCEPT(++(std::declval<year&>())  );
+    ASSERT_NOEXCEPT(  (std::declval<year&>())++);
+
+    ASSERT_SAME_TYPE(year , decltype(  std::declval<year&>()++));
+    ASSERT_SAME_TYPE(year&, decltype(++std::declval<year&>()  ));
+    
+    static_assert(testConstexpr<year>(), "");
+
+    for (int i = 11000; i <= 11020; ++i)
+    {
+        year year(i);
+        assert(static_cast<int>(++year) == i + 1);
+        assert(static_cast<int>(year++) == i + 1);
+        assert(static_cast<int>(year)   == i + 2);
+    }
+}