1 files changed, 24 insertions, 1 deletions
diff --git a/libcxx/test/std/utilities/time/time.duration/time.duration.literals/literals1.pass.cpp b/libcxx/test/std/utilities/time/time.duration/time.duration.literals/literals1.pass.cpp
index 5e59e115378..6e43e3a9a2f 100644
--- a/libcxx/test/std/utilities/time/time.duration/time.duration.literals/literals1.pass.cpp
+++ b/libcxx/test/std/utilities/time/time.duration/time.duration.literals/literals1.pass.cpp
@@ -7,8 +7,8 @@
 // Source Licenses. See LICENSE.TXT for details.
 //
 //===----------------------------------------------------------------------===//
-
 // UNSUPPORTED: c++98, c++03, c++11
+
 #include <chrono>
 #include <cassert>
 
@@ -45,4 +45,27 @@ int main()
     assert ( ns == nanoseconds(645));
     auto ns2 = 645.ns;
     assert ( ns == ns2 );
+
+#if TEST_STD_VER > 17
+    assert(Sunday    == weekday(0));
+    assert(Monday    == weekday(1));
+    assert(Tuesday   == weekday(2));
+    assert(Wednesday == weekday(3));
+    assert(Thursday  == weekday(4));
+    assert(Friday    == weekday(5));
+    assert(Saturday  == weekday(6));
+
+    assert(January   == month(1));
+    assert(February  == month(2));
+    assert(March     == month(3));
+    assert(April     == month(4));
+    assert(May       == month(5));
+    assert(June      == month(6));
+    assert(July      == month(7));
+    assert(August    == month(8));
+    assert(September == month(9));
+    assert(October   == month(10));
+    assert(November  == month(11));
+    assert(December  == month(12));
+#endif
 }