Author: marshall
Date: Tue Jun 30 13:16:12 2015
New Revision: 241092
URL: http://llvm.org/viewvc/llvm-project?rev=241092&view=rev
Log:
Forgot the support include file in r241091
Added:
libcxx/trunk/test/support/is_transparent.h
Added: libcxx/trunk/test/support/is_transparent.h
URL:
http://llvm.org/viewvc/llvm-project/libcxx/trunk/test/support/is_transparent.h?rev=241092&view=auto
==============================================================================
--- libcxx/trunk/test/support/is_transparent.h (added)
+++ libcxx/trunk/test/support/is_transparent.h Tue Jun 30 13:16:12 2015
@@ -0,0 +1,73 @@
+//===----------------------------------------------------------------------===//
+//
+// 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.
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef TRANSPARENT_H
+#define TRANSPARENT_H
+
+// testing transparent
+#if _LIBCPP_STD_VER > 11
+
+struct transparent_less
+{
+ template <class T, class U>
+ constexpr auto operator()(T&& t, U&& u) const
+ noexcept(noexcept(std::forward<T>(t) < std::forward<U>(u)))
+ -> decltype (std::forward<T>(t) < std::forward<U>(u))
+ { return std::forward<T>(t) < std::forward<U>(u); }
+ typedef void is_transparent; // correct
+};
+
+struct transparent_less_no_type
+{
+ template <class T, class U>
+ constexpr auto operator()(T&& t, U&& u) const
+ noexcept(noexcept(std::forward<T>(t) < std::forward<U>(u)))
+ -> decltype (std::forward<T>(t) < std::forward<U>(u))
+ { return std::forward<T>(t) < std::forward<U>(u); }
+private:
+// typedef void is_transparent; // error - should exist
+};
+
+struct transparent_less_private
+{
+ template <class T, class U>
+ constexpr auto operator()(T&& t, U&& u) const
+ noexcept(noexcept(std::forward<T>(t) < std::forward<U>(u)))
+ -> decltype (std::forward<T>(t) < std::forward<U>(u))
+ { return std::forward<T>(t) < std::forward<U>(u); }
+private:
+ typedef void is_transparent; // error - should be accessible
+};
+
+struct transparent_less_not_a_type
+{
+ template <class T, class U>
+ constexpr auto operator()(T&& t, U&& u) const
+ noexcept(noexcept(std::forward<T>(t) < std::forward<U>(u)))
+ -> decltype (std::forward<T>(t) < std::forward<U>(u))
+ { return std::forward<T>(t) < std::forward<U>(u); }
+
+ int is_transparent; // error - should be a type
+};
+
+struct C2Int { // comparable to int
+ C2Int() : i_(0) {}
+ C2Int(int i): i_(i) {}
+ int get () const { return i_; }
+private:
+ int i_;
+ };
+
+bool operator <(int rhs, const C2Int& lhs) { return rhs <
lhs.get(); }
+bool operator <(const C2Int& rhs, const C2Int& lhs) { return rhs.get() <
lhs.get(); }
+bool operator <(const C2Int& rhs, int lhs) { return rhs.get() <
lhs; }
+
+#endif
+
+#endif // TRANSPARENT_H
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