[libcxx] r221224 - Add test for type properties of std::reference_wrapper

Eric Fiselier eric at efcs.ca
Mon Nov 3 17:54:44 PST 2014


Author: ericwf
Date: Mon Nov  3 19:54:44 2014
New Revision: 221224

URL: http://llvm.org/viewvc/llvm-project?rev=221224&view=rev
Log:
Add test for type properties of std::reference_wrapper

Added:
    libcxx/trunk/test/utilities/function.objects/refwrap/type_properties.pass.cpp

Added: libcxx/trunk/test/utilities/function.objects/refwrap/type_properties.pass.cpp
URL: http://llvm.org/viewvc/llvm-project/libcxx/trunk/test/utilities/function.objects/refwrap/type_properties.pass.cpp?rev=221224&view=auto
==============================================================================
--- libcxx/trunk/test/utilities/function.objects/refwrap/type_properties.pass.cpp (added)
+++ libcxx/trunk/test/utilities/function.objects/refwrap/type_properties.pass.cpp Mon Nov  3 19:54:44 2014
@@ -0,0 +1,27 @@
+//===----------------------------------------------------------------------===//
+//
+//                     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.
+//
+//===----------------------------------------------------------------------===//
+
+// <functional>
+
+// reference_wrapper
+
+// Test that reference wrapper meets the requirements of TriviallyCopyable,
+// CopyConstructible and CopyAssignable.
+
+#include <functional>
+#include <type_traits>
+
+int main()
+{
+    typedef std::reference_wrapper<int> T;
+    static_assert(std::is_copy_constructible<T>::value, "");
+    static_assert(std::is_copy_assignable<T>::value, "");
+    // Extension up for standardization: See N4151.
+    static_assert(std::is_trivially_copyable<T>::value, "");
+}





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