1 files changed, 24 insertions, 0 deletions
diff --git a/libcxx/test/std/strings/char.traits/char.traits.specializations/char.traits.specializations.wchar.t/lt.pass.cpp b/libcxx/test/std/strings/char.traits/char.traits.specializations/char.traits.specializations.wchar.t/lt.pass.cpp
new file mode 100644
index 00000000000..147a57914e0
--- /dev/null
+++ b/libcxx/test/std/strings/char.traits/char.traits.specializations/char.traits.specializations.wchar.t/lt.pass.cpp
@@ -0,0 +1,24 @@
+//===----------------------------------------------------------------------===//
+//
+//                     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.
+//
+//===----------------------------------------------------------------------===//
+
+// <string>
+
+// template<> struct char_traits<wchar_t>
+
+// static constexpr bool lt(char_type c1, char_type c2);
+
+#include <string>
+#include <cassert>
+
+int main()
+{
+    wchar_t c = L'\0';
+    assert(!std::char_traits<wchar_t>::lt(L'a', L'a'));
+    assert( std::char_traits<wchar_t>::lt(L'A', L'a'));
+}