1 files changed, 101 insertions, 0 deletions
diff --git a/test/std/utilities/meta/meta.unary/meta.unary.comp/is_object.pass.cpp b/test/std/utilities/meta/meta.unary/meta.unary.comp/is_object.pass.cpp
new file mode 100644
index 000000000000..ff7dda30d111
--- /dev/null
+++ b/test/std/utilities/meta/meta.unary/meta.unary.comp/is_object.pass.cpp
@@ -0,0 +1,101 @@
+//===----------------------------------------------------------------------===//
+//
+//                     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
+
+// is_object
+
+#include <type_traits>
+#include <cstddef>         // for std::nullptr_t
+#include "test_macros.h"
+
+template <class T>
+void test_is_object()
+{
+    static_assert( std::is_object<T>::value, "");
+    static_assert( std::is_object<const T>::value, "");
+    static_assert( std::is_object<volatile T>::value, "");
+    static_assert( std::is_object<const volatile T>::value, "");
+#if TEST_STD_VER > 14
+    static_assert( std::is_object_v<T>, "");
+    static_assert( std::is_object_v<const T>, "");
+    static_assert( std::is_object_v<volatile T>, "");
+    static_assert( std::is_object_v<const volatile T>, "");
+#endif
+}
+
+template <class T>
+void test_is_not_object()
+{
+    static_assert(!std::is_object<T>::value, "");
+    static_assert(!std::is_object<const T>::value, "");
+    static_assert(!std::is_object<volatile T>::value, "");
+    static_assert(!std::is_object<const volatile T>::value, "");
+#if TEST_STD_VER > 14
+    static_assert(!std::is_object_v<T>, "");
+    static_assert(!std::is_object_v<const T>, "");
+    static_assert(!std::is_object_v<volatile T>, "");
+    static_assert(!std::is_object_v<const volatile T>, "");
+#endif
+}
+
+class Empty
+{
+};
+
+class NotEmpty
+{
+    virtual ~NotEmpty();
+};
+
+union Union {};
+
+struct bit_zero
+{
+    int :  0;
+};
+
+class Abstract
+{
+    virtual ~Abstract() = 0;
+};
+
+enum Enum {zero, one};
+
+typedef void (*FunctionPtr)();
+
+
+int main()
+{
+// An object type is a (possibly cv-qualified) type that is not a function type, 
+// not a reference type, and not a void type.
+
+    test_is_object<std::nullptr_t>();
+    test_is_object<void *>();
+    test_is_object<char[3]>();
+    test_is_object<char[]>();
+    test_is_object<int>();
+    test_is_object<int*>();
+    test_is_object<Union>();
+    test_is_object<int*>();
+    test_is_object<const int*>();
+    test_is_object<Enum>();
+    test_is_object<Empty>();
+    test_is_object<bit_zero>();	
+    test_is_object<NotEmpty>();
+    test_is_object<Abstract>();
+    test_is_object<FunctionPtr>();
+    test_is_object<int Empty::*>();
+    test_is_object<void (Empty::*)(int)>();
+
+    test_is_not_object<void>();
+    test_is_not_object<int&>();
+    test_is_not_object<int&&>();
+    test_is_not_object<int(int)>();
+}