Move test into test/std subdirectory.

llvm-svn: 224658

1 files changed, 64 insertions, 0 deletions

diff --git a/libcxx/test/std/utilities/meta/meta.trans/meta.trans.sign/make_signed.pass.cpp b/libcxx/test/std/utilities/meta/meta.trans/meta.trans.sign/make_signed.pass.cpp
new file mode 100644
index 00000000000..eb8e31c76e1
--- /dev/null
+++ b/libcxx/test/std/utilities/meta/meta.trans/meta.trans.sign/make_signed.pass.cpp
@@ -0,0 +1,64 @@
+//===----------------------------------------------------------------------===//
+//
+//                     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
+
+// make_signed
+
+#include <type_traits>
+
+enum Enum {zero, one_};
+
+enum BigEnum
+{
+    bigzero,
+    big = 0xFFFFFFFFFFFFFFFFULL
+};
+
+#if !defined(_LIBCPP_HAS_NO_INT128) && !defined(_LIBCPP_HAS_NO_STRONG_ENUMS)
+enum HugeEnum : __uint128_t
+{
+    hugezero
+};
+#endif
+
+template <class T, class U>
+void test_make_signed()
+{
+    static_assert((std::is_same<typename std::make_signed<T>::type, U>::value), "");
+#if _LIBCPP_STD_VER > 11
+    static_assert((std::is_same<std::make_signed_t<T>, U>::value), "");
+#endif
+}
+
+int main()
+{
+    test_make_signed< signed char, signed char >();
+    test_make_signed< unsigned char, signed char >();
+    test_make_signed< char, signed char >();
+    test_make_signed< short, signed short >();
+    test_make_signed< unsigned short, signed short >();
+    test_make_signed< int, signed int >();
+    test_make_signed< unsigned int, signed int >();
+    test_make_signed< long, signed long >();
+    test_make_signed< unsigned long, long >();
+    test_make_signed< long long, signed long long >();
+    test_make_signed< unsigned long long, signed long long >();
+    test_make_signed< wchar_t, std::conditional<sizeof(wchar_t) == 4, int, short>::type >();
+    test_make_signed< const wchar_t, std::conditional<sizeof(wchar_t) == 4, const int, const short>::type >();
+    test_make_signed< const Enum, std::conditional<sizeof(Enum) == sizeof(int), const int, const signed char>::type >();
+    test_make_signed< BigEnum, std::conditional<sizeof(long) == 4, long long, long>::type >();
+#ifndef _LIBCPP_HAS_NO_INT128
+    test_make_signed< __int128_t, __int128_t >();
+    test_make_signed< __uint128_t, __int128_t >();
+# ifndef _LIBCPP_HAS_NO_STRONG_ENUMS
+    test_make_signed< HugeEnum, __int128_t >();
+# endif
+#endif
+}