1 files changed, 37 insertions, 0 deletions
diff --git a/libcxx/test/numerics/rand/rand.dis/rand.dist.bern/rand.dist.bern.negbin/param_eq.pass.cpp b/libcxx/test/numerics/rand/rand.dis/rand.dist.bern/rand.dist.bern.negbin/param_eq.pass.cpp
new file mode 100644
index 00000000000..0d1fe9fd19f
--- /dev/null
+++ b/libcxx/test/numerics/rand/rand.dis/rand.dist.bern/rand.dist.bern.negbin/param_eq.pass.cpp
@@ -0,0 +1,37 @@
+//===----------------------------------------------------------------------===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+// <random>
+
+// template<class IntType = int>
+// class negative_binomial_distribution
+// {
+//     class param_type;
+
+#include <random>
+#include <limits>
+#include <cassert>
+
+int main()
+{
+    {
+        typedef std::negative_binomial_distribution<> D;
+        typedef D::param_type param_type;
+        param_type p1(3, 0.75);
+        param_type p2(3, 0.75);
+        assert(p1 == p2);
+    }
+    {
+        typedef std::negative_binomial_distribution<> D;
+        typedef D::param_type param_type;
+        param_type p1(3, 0.75);
+        param_type p2(3, 0.5);
+        assert(p1 != p2);
+    }
+}