From 75f9aa9993acc7e611cde614fdb71c8c2d5bbdaa Mon Sep 17 00:00:00 2001
From: Marshall Clow <mclow.lists@gmail.com>
Date: Tue, 13 Aug 2013 01:12:41 +0000
Subject: More support for N3657; tests for is_transparent

llvm-svn: 188242
---
 .../arithmetic.operations/transparent.pass.cpp     | 52 ++++++++++++++++++++++
 1 file changed, 52 insertions(+)
 create mode 100644 libcxx/test/utilities/function.objects/arithmetic.operations/transparent.pass.cpp

(limited to 'libcxx/test/utilities/function.objects/arithmetic.operations')

diff --git a/libcxx/test/utilities/function.objects/arithmetic.operations/transparent.pass.cpp b/libcxx/test/utilities/function.objects/arithmetic.operations/transparent.pass.cpp
new file mode 100644
index 00000000000..43e2e2120b2
--- /dev/null
+++ b/libcxx/test/utilities/function.objects/arithmetic.operations/transparent.pass.cpp
@@ -0,0 +1,52 @@
+#include <functional>
+#include <string>
+
+template <class _Tp>
+struct is_transparent
+{
+private:
+    struct __two {char __lx; char __lxx;};
+    template <class _Up> static __two __test(...);
+    template <class _Up> static char __test(typename _Up::is_transparent* = 0);
+public:
+    static const bool value = sizeof(__test<_Tp>(0)) == 1;
+};
+
+
+int main () {
+#if _LIBCPP_STD_VER > 11
+
+    static_assert ( !is_transparent<std::plus<int>>::value, "" );
+    static_assert ( !is_transparent<std::plus<std::string>>::value, "" );
+    static_assert (  is_transparent<std::plus<void>>::value, "" );
+    static_assert (  is_transparent<std::plus<>>::value, "" );
+
+    static_assert ( !is_transparent<std::minus<int>>::value, "" );
+    static_assert ( !is_transparent<std::minus<std::string>>::value, "" );
+    static_assert (  is_transparent<std::minus<void>>::value, "" );
+    static_assert (  is_transparent<std::minus<>>::value, "" );
+
+    static_assert ( !is_transparent<std::multiplies<int>>::value, "" );
+    static_assert ( !is_transparent<std::multiplies<std::string>>::value, "" );
+    static_assert (  is_transparent<std::multiplies<void>>::value, "" );
+    static_assert (  is_transparent<std::multiplies<>>::value, "" );
+
+    static_assert ( !is_transparent<std::divides<int>>::value, "" );
+    static_assert ( !is_transparent<std::divides<std::string>>::value, "" );
+    static_assert (  is_transparent<std::divides<void>>::value, "" );
+    static_assert (  is_transparent<std::divides<>>::value, "" );
+
+    static_assert ( !is_transparent<std::modulus<int>>::value, "" );
+    static_assert ( !is_transparent<std::modulus<std::string>>::value, "" );
+    static_assert (  is_transparent<std::modulus<void>>::value, "" );
+    static_assert (  is_transparent<std::modulus<>>::value, "" );
+
+    static_assert ( !is_transparent<std::negate<int>>::value, "" );
+    static_assert ( !is_transparent<std::negate<std::string>>::value, "" );
+    static_assert (  is_transparent<std::negate<void>>::value, "" );
+    static_assert (  is_transparent<std::negate<>>::value, "" );
+    
+#endif
+
+    return 0;
+    }
-- 
cgit v1.2.3