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-rw-r--r--test/std/utilities/meta/meta.trans/meta.trans.cv/add_const.pass.cpp43
1 files changed, 43 insertions, 0 deletions
diff --git a/test/std/utilities/meta/meta.trans/meta.trans.cv/add_const.pass.cpp b/test/std/utilities/meta/meta.trans/meta.trans.cv/add_const.pass.cpp
new file mode 100644
index 0000000000000..19b1fb4d01b39
--- /dev/null
+++ b/test/std/utilities/meta/meta.trans/meta.trans.cv/add_const.pass.cpp
@@ -0,0 +1,43 @@
+//===----------------------------------------------------------------------===//
+//
+// 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
+
+// add_const
+
+#include <type_traits>
+
+template <class T, class U>
+void test_add_const_imp()
+{
+ static_assert((std::is_same<typename std::add_const<T>::type, const U>::value), "");
+#if _LIBCPP_STD_VER > 11
+ static_assert((std::is_same<std::add_const_t<T>, U>::value), "");
+#endif
+}
+
+template <class T>
+void test_add_const()
+{
+ test_add_const_imp<T, const T>();
+ test_add_const_imp<const T, const T>();
+ test_add_const_imp<volatile T, volatile const T>();
+ test_add_const_imp<const volatile T, const volatile T>();
+}
+
+int main()
+{
+ test_add_const<void>();
+ test_add_const<int>();
+ test_add_const<int[3]>();
+ test_add_const<int&>();
+ test_add_const<const int&>();
+ test_add_const<int*>();
+ test_add_const<const int*>();
+}