1 files changed, 60 insertions, 0 deletions
diff --git a/libcxx/test/std/utilities/meta/meta.unary.prop.query/extent.pass.cpp b/libcxx/test/std/utilities/meta/meta.unary.prop.query/extent.pass.cpp
new file mode 100644
index 00000000000..a99dc694852
--- /dev/null
+++ b/libcxx/test/std/utilities/meta/meta.unary.prop.query/extent.pass.cpp
@@ -0,0 +1,60 @@
+//===----------------------------------------------------------------------===//
+//
+//                     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.
+//
+//===----------------------------------------------------------------------===//
+
+// type_traits
+
+// extent
+
+#include <type_traits>
+
+template <class T, unsigned A>
+void test_extent()
+{
+    static_assert((std::extent<T>::value == A), "");
+    static_assert((std::extent<const T>::value == A), "");
+    static_assert((std::extent<volatile T>::value == A), "");
+    static_assert((std::extent<const volatile T>::value == A), "");
+}
+
+template <class T, unsigned A>
+void test_extent1()
+{
+    static_assert((std::extent<T, 1>::value == A), "");
+    static_assert((std::extent<const T, 1>::value == A), "");
+    static_assert((std::extent<volatile T, 1>::value == A), "");
+    static_assert((std::extent<const volatile T, 1>::value == A), "");
+}
+
+class Class
+{
+public:
+    ~Class();
+};
+
+int main()
+{
+    test_extent<void, 0>();
+    test_extent<int&, 0>();
+    test_extent<Class, 0>();
+    test_extent<int*, 0>();
+    test_extent<const int*, 0>();
+    test_extent<int, 0>();
+    test_extent<double, 0>();
+    test_extent<bool, 0>();
+    test_extent<unsigned, 0>();
+
+    test_extent<int[2], 2>();
+    test_extent<int[2][4], 2>();
+    test_extent<int[][4], 0>();
+
+    test_extent1<int, 0>();
+    test_extent1<int[2], 0>();
+    test_extent1<int[2][4], 4>();
+    test_extent1<int[][4], 4>();
+}