1 files changed, 47 insertions, 0 deletions

diff --git a/libcxx/test/numerics/rand/rand.adapt/rand.adapt.ibits/values.pass.cpp b/libcxx/test/numerics/rand/rand.adapt/rand.adapt.ibits/values.pass.cpp
new file mode 100644
index 00000000000..140145c24dd
--- /dev/null
+++ b/libcxx/test/numerics/rand/rand.adapt/rand.adapt.ibits/values.pass.cpp
@@ -0,0 +1,47 @@
+//===----------------------------------------------------------------------===//
+//
+// ΚΚΚΚΚΚΚΚΚΚΚΚΚΚΚΚΚΚΚΚThe LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+// <random>
+
+// template<class Engine, size_t w, class UIntType>
+// class independent_bits_engine
+// {
+// public:
+//     // types
+//     typedef UIntType result_type;
+// 
+//     // engine characteristics
+//     static constexpr result_type min() { return 0; }
+//     static constexpr result_type max() { return 2^w - 1; }
+
+#include <random>
+#include <type_traits>
+#include <cassert>
+
+void
+test1()
+{
+    typedef std::independent_bits_engine<std::ranlux24, 32, unsigned> E;
+    /*static_*/assert((E::min() == 0)/*, ""*/);
+    /*static_*/assert((E::max() == 0xFFFFFFFF)/*, ""*/);
+}
+
+void
+test2()
+{
+    typedef std::independent_bits_engine<std::ranlux48, 64, unsigned long long> E;
+    /*static_*/assert((E::min() == 0)/*, ""*/);
+    /*static_*/assert((E::max() == 0xFFFFFFFFFFFFFFFFull)/*, ""*/);
+}
+
+int main()
+{
+    test1();
+    test2();
+}