1 files changed, 1 insertions, 0 deletions

diff --git a/libcxx/test/utilities/meta/meta.unary/meta.unary.prop/is_signed.pass.cpp b/libcxx/test/utilities/meta/meta.unary/meta.unary.prop/is_signed.pass.cpp
new file mode 100644
index 00000000000..53d788228a8
--- /dev/null
+++ b/libcxx/test/utilities/meta/meta.unary/meta.unary.prop/is_signed.pass.cpp
@@ -0,0 +1 @@
+//===----------------------------------------------------------------------===//
//
// ΚΚΚΚΚΚΚΚΚΚΚΚΚΚΚΚΚΚΚΚThe LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//

// type_traits

// is_signed

#include <type_traits>

template <class T>
void test_is_signed()
{
    static_assert( std::is_signed<T>::value, "");
    static_assert( std::is_signed<const T>::value, "");
    static_assert( std::is_signed<volatile T>::value, "");
    static_assert( std::is_signed<const volatile T>::value, "");
}

template <class T>
void test_is_not_signed()
{
    static_assert(!std::is_signed<T>::value, "");
    static_assert(!std::is_signed<const T>::value, "");
    static_assert(!std::is_signed<volatile T>::value, "");
    static_assert(!std::is_signed<const volatile T>::value, "");
}

class Class
{
public:
    ~Class();
};

int main()
{
    test_is_not_signed<void>();
    test_is_not_signed<int&>();
    test_is_not_signed<Class>();
    test_is_not_signed<int*>();
    test_is_not_signed<const int*>();
    test_is_not_signed<char[3]>();
    test_is_not_signed<char[3]>();
    test_is_not_signed<bool>();
    test_is_not_signed<unsigned>();

    test_is_signed<int>();
    test_is_signed<double>();
}
\ No newline at end of file