1 files changed, 51 insertions, 0 deletions
diff --git a/test/std/numerics/rand/rand.adapt/rand.adapt.ibits/ctor_result_type.pass.cpp b/test/std/numerics/rand/rand.adapt/rand.adapt.ibits/ctor_result_type.pass.cpp
new file mode 100644
index 000000000000..8e8d3091a4e3
--- /dev/null
+++ b/test/std/numerics/rand/rand.adapt/rand.adapt.ibits/ctor_result_type.pass.cpp
@@ -0,0 +1,51 @@
+//===----------------------------------------------------------------------===//
+//
+//                     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(result_type s = default_seed);
+
+#include <random>
+#include <sstream>
+#include <cassert>
+
+void
+test1()
+{
+    const char* a = "15136306 8587749 2346244 16479026 15515802 9510553 "
+    "16090340 14501685 13839944 10789678 11581259 9590790 5840316 5953700 "
+    "13398366 8134459 16629731 6851902 15583892 1317475 4231148 9092691 "
+    "5707268 2355175 0 0";
+    std::independent_bits_engine<std::ranlux24, 32, unsigned> e1(0);
+    std::ostringstream os;
+    os << e1;
+    assert(os.str() == a);
+}
+
+void
+test2()
+{
+    const char* a = "10880375256626 126660097854724 33643165434010 "
+    "78293780235492 179418984296008 96783156950859 238199764491708 "
+    "34339434557790 155299155394531 29014415493780 209265474179052 "
+    "263777435457028 0 0";
+    std::independent_bits_engine<std::ranlux48, 64, unsigned long long> e1(0);
+    std::ostringstream os;
+    os << e1;
+    assert(os.str() == a);
+}
+
+int main()
+{
+    test1();
+    test2();
+}