libcxx initial import
llvm-svn: 103490
diff --git a/libcxx/test/numerics/rand/rand.eng/rand.eng.mers/assign.pass.cpp b/libcxx/test/numerics/rand/rand.eng/rand.eng.mers/assign.pass.cpp
new file mode 100644
index 0000000..8182d96
--- /dev/null
+++ b/libcxx/test/numerics/rand/rand.eng/rand.eng.mers/assign.pass.cpp
@@ -0,0 +1,58 @@
+//===----------------------------------------------------------------------===//
+//
+// ÊÊÊÊÊÊÊÊÊÊÊÊÊÊÊÊÊÊÊÊThe LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. 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;
+
+// mersenne_twister_engine& operator=(const mersenne_twister_engine&);
+
+#include <random>
+#include <cassert>
+
+void
+test1()
+{
+ typedef std::mt19937 E;
+ E e1(2);
+ e1();
+ E e2(5);
+ e2 = e1;
+ assert(e1 == e2);
+ assert(e1() == e2());
+ E::result_type k = e1();
+ assert(e1 != e2);
+ assert(e2() == k);
+ assert(e1 == e2);
+}
+
+void
+test2()
+{
+ typedef std::mt19937_64 E;
+ E e1(3);
+ e1();
+ E e2(5);
+ e2 = e1;
+ assert(e1 == e2);
+ assert(e1() == e2());
+ E::result_type k = e1();
+ assert(e1 != e2);
+ assert(e2() == k);
+ assert(e1 == e2);
+}
+
+int main()
+{
+ test1();
+ test2();
+}