vendor/libc++/libc++-release_370-r246257

1 files changed, 65 insertions, 0 deletions

diff --git a/test/std/utilities/meta/meta.trans/meta.trans.sign/make_unsigned.pass.cpp b/test/std/utilities/meta/meta.trans/meta.trans.sign/make_unsigned.pass.cpp
new file mode 100644
index 0000000000000..984440193fa6e
--- /dev/null
+++ b/test/std/utilities/meta/meta.trans/meta.trans.sign/make_unsigned.pass.cpp
@@ -0,0 +1,65 @@
+//===----------------------------------------------------------------------===//
+//
+//                     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_unsigned
+
+#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 : __int128_t
+{
+    hugezero
+};
+#endif
+
+template <class T, class U>
+void test_make_unsigned()
+{
+    static_assert((std::is_same<typename std::make_unsigned<T>::type, U>::value), "");
+#if _LIBCPP_STD_VER > 11
+    static_assert((std::is_same<std::make_unsigned_t<T>, U>::value), "");
+#endif
+}
+
+int main()
+{
+    test_make_unsigned<signed char, unsigned char> ();
+    test_make_unsigned<unsigned char, unsigned char> ();
+    test_make_unsigned<char, unsigned char> ();
+    test_make_unsigned<short, unsigned short> ();
+    test_make_unsigned<unsigned short, unsigned short> ();
+    test_make_unsigned<int, unsigned int> ();
+    test_make_unsigned<unsigned int, unsigned int> ();
+    test_make_unsigned<long, unsigned long> ();
+    test_make_unsigned<unsigned long, unsigned long> ();
+    test_make_unsigned<long long, unsigned long long> ();
+    test_make_unsigned<unsigned long long, unsigned long long> ();
+    test_make_unsigned<wchar_t, std::conditional<sizeof(wchar_t) == 4, unsigned int, unsigned short>::type> ();
+    test_make_unsigned<const wchar_t, std::conditional<sizeof(wchar_t) == 4, const unsigned int, const unsigned short>::type> ();
+    test_make_unsigned<const Enum, std::conditional<sizeof(Enum) == sizeof(int), const unsigned int, const unsigned char>::type >();
+    test_make_unsigned<BigEnum,
+                   std::conditional<sizeof(long) == 4, unsigned long long, unsigned long>::type> ();
+#ifndef _LIBCPP_HAS_NO_INT128
+    test_make_unsigned<__int128_t, __uint128_t>();
+    test_make_unsigned<__uint128_t, __uint128_t>();
+# ifndef _LIBCPP_HAS_NO_STRONG_ENUMS
+    test_make_unsigned<HugeEnum, __uint128_t>();
+# endif
+#endif
+}