1 files changed, 56 insertions, 0 deletions
diff --git a/test/std/language.support/support.limits/limits/numeric.limits.members/is_iec559.pass.cpp b/test/std/language.support/support.limits/limits/numeric.limits.members/is_iec559.pass.cpp
new file mode 100644
index 0000000000000..4408714c1a1db
--- /dev/null
+++ b/test/std/language.support/support.limits/limits/numeric.limits.members/is_iec559.pass.cpp
@@ -0,0 +1,56 @@
+//===----------------------------------------------------------------------===//
+//
+//                     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.
+//
+//===----------------------------------------------------------------------===//
+
+// test numeric_limits
+
+// is_iec559
+
+#include <limits>
+
+template <class T, bool expected>
+void
+test()
+{
+    static_assert(std::numeric_limits<T>::is_iec559 == expected, "is_iec559 test 1");
+    static_assert(std::numeric_limits<const T>::is_iec559 == expected, "is_iec559 test 2");
+    static_assert(std::numeric_limits<volatile T>::is_iec559 == expected, "is_iec559 test 3");
+    static_assert(std::numeric_limits<const volatile T>::is_iec559 == expected, "is_iec559 test 4");
+}
+
+int main()
+{
+    test<bool, false>();
+    test<char, false>();
+    test<signed char, false>();
+    test<unsigned char, false>();
+    test<wchar_t, false>();
+#ifndef _LIBCPP_HAS_NO_UNICODE_CHARS
+    test<char16_t, false>();
+    test<char32_t, false>();
+#endif  // _LIBCPP_HAS_NO_UNICODE_CHARS
+    test<short, false>();
+    test<unsigned short, false>();
+    test<int, false>();
+    test<unsigned int, false>();
+    test<long, false>();
+    test<unsigned long, false>();
+    test<long long, false>();
+    test<unsigned long long, false>();
+#ifndef _LIBCPP_HAS_NO_INT128
+    test<__int128_t, false>();
+    test<__uint128_t, false>();
+#endif
+    test<float, true>();
+    test<double, true>();
+#if (defined(__ppc__) || defined(__ppc64__))
+    test<long double, false>();
+#else
+    test<long double, true>();
+#endif
+}