vendor/libc++/libc++-release_370-r246257

1 files changed, 27 insertions, 0 deletions

diff --git a/test/std/utilities/time/seconds.pass.cpp b/test/std/utilities/time/seconds.pass.cpp
new file mode 100644
index 0000000000000..231d59695a0ad
--- /dev/null
+++ b/test/std/utilities/time/seconds.pass.cpp
@@ -0,0 +1,27 @@
+//===----------------------------------------------------------------------===//
+//
+//                     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.
+//
+//===----------------------------------------------------------------------===//
+
+// <chrono>
+
+// typedef duration<signed integral type of at least 35 bits > seconds;
+
+#include <chrono>
+#include <type_traits>
+#include <limits>
+
+int main()
+{
+    typedef std::chrono::seconds D;
+    typedef D::rep Rep;
+    typedef D::period Period;
+    static_assert(std::is_signed<Rep>::value, "");
+    static_assert(std::is_integral<Rep>::value, "");
+    static_assert(std::numeric_limits<Rep>::digits >= 34, "");
+    static_assert((std::is_same<Period, std::ratio<1> >::value), "");
+}