1 files changed, 45 insertions, 0 deletions
diff --git a/test/std/numerics/rand/rand.eng/rand.eng.mers/default.pass.cpp b/test/std/numerics/rand/rand.eng/rand.eng.mers/default.pass.cpp
new file mode 100644
index 000000000000..d92ffd807da0
--- /dev/null
+++ b/test/std/numerics/rand/rand.eng/rand.eng.mers/default.pass.cpp
@@ -0,0 +1,45 @@
+//===----------------------------------------------------------------------===//
+//
+//                     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 UIntType, size_t w, size_t n, size_t m, size_t r,
+//           UIntType a, size_t u, UIntType d, size_t s,
+//           UIntType b, size_t t, UIntType c, size_t l, UIntType f>
+// class mersenne_twister_engine;
+
+// explicit mersenne_twister_engine();
+
+#include <random>
+#include <sstream>
+#include <cassert>
+
+void
+test1()
+{
+    std::mt19937 e1;
+    std::mt19937 e2(std::mt19937::default_seed);
+    assert(e1 == e2);
+    assert(e1() == 3499211612u);
+}
+
+void
+test2()
+{
+    std::mt19937_64 e1;
+    std::mt19937_64 e2(std::mt19937_64::default_seed);
+    assert(e1 == e2);
+    assert(e1() == 14514284786278117030ull);
+}
+
+int main()
+{
+    test1();
+    test2();
+}