1 files changed, 42 insertions, 0 deletions
diff --git a/test/std/numerics/rand/rand.adapt/rand.adapt.ibits/default.pass.cpp b/test/std/numerics/rand/rand.adapt/rand.adapt.ibits/default.pass.cpp
new file mode 100644
index 0000000000000..ccb6f379d50c1
--- /dev/null
+++ b/test/std/numerics/rand/rand.adapt/rand.adapt.ibits/default.pass.cpp
@@ -0,0 +1,42 @@
+//===----------------------------------------------------------------------===//
+//
+//                     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.
+//
+//===----------------------------------------------------------------------===//
+
+// <random>
+
+// template<class Engine, size_t w, class UIntType>
+// class independent_bits_engine
+
+// explicit independent_bits_engine();
+
+#include <random>
+#include <cassert>
+
+void
+test1()
+{
+    std::independent_bits_engine<std::ranlux24, 32, unsigned> e1;
+    std::independent_bits_engine<std::ranlux24, 32, unsigned> e2(std::ranlux24_base::default_seed);
+    assert(e1 == e2);
+    assert(e1() == 2066486613);
+}
+
+void
+test2()
+{
+    std::independent_bits_engine<std::ranlux48, 64, unsigned long long> e1;
+    std::independent_bits_engine<std::ranlux48, 64, unsigned long long> e2(std::ranlux48_base::default_seed);
+    assert(e1 == e2);
+    assert(e1() == 18223106896348967647ull);
+}
+
+int main()
+{
+    test1();
+    test2();
+}