1 files changed, 77 insertions, 0 deletions
diff --git a/test/std/containers/unord/unord.multimap/load_factor.pass.cpp b/test/std/containers/unord/unord.multimap/load_factor.pass.cpp
new file mode 100644
index 000000000000..f407097dc0c6
--- /dev/null
+++ b/test/std/containers/unord/unord.multimap/load_factor.pass.cpp
@@ -0,0 +1,77 @@
+//===----------------------------------------------------------------------===//
+//
+//                     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.
+//
+//===----------------------------------------------------------------------===//
+
+// <unordered_map>
+
+// template <class Key, class T, class Hash = hash<Key>, class Pred = equal_to<Key>,
+//           class Alloc = allocator<pair<const Key, T>>>
+// class unordered_multimap
+
+// float load_factor() const
+
+#include <unordered_map>
+#include <string>
+#include <cassert>
+#include <cfloat>
+
+#include "min_allocator.h"
+
+int main()
+{
+    {
+        typedef std::unordered_multimap<int, std::string> C;
+        typedef std::pair<int, std::string> P;
+        P a[] =
+        {
+            P(10, "ten"),
+            P(20, "twenty"),
+            P(30, "thirty"),
+            P(40, "forty"),
+            P(50, "fifty"),
+            P(60, "sixty"),
+            P(70, "seventy"),
+            P(80, "eighty"),
+        };
+        const C c(std::begin(a), std::end(a));
+        assert(fabs(c.load_factor() - (float)c.size()/c.bucket_count()) < FLT_EPSILON);
+    }
+    {
+        typedef std::unordered_multimap<int, std::string> C;
+        typedef std::pair<int, std::string> P;
+        const C c;
+        assert(c.load_factor() == 0);
+    }
+#if __cplusplus >= 201103L
+    {
+        typedef std::unordered_multimap<int, std::string, std::hash<int>, std::equal_to<int>,
+                            min_allocator<std::pair<const int, std::string>>> C;
+        typedef std::pair<int, std::string> P;
+        P a[] =
+        {
+            P(10, "ten"),
+            P(20, "twenty"),
+            P(30, "thirty"),
+            P(40, "forty"),
+            P(50, "fifty"),
+            P(60, "sixty"),
+            P(70, "seventy"),
+            P(80, "eighty"),
+        };
+        const C c(std::begin(a), std::end(a));
+        assert(fabs(c.load_factor() - (float)c.size()/c.bucket_count()) < FLT_EPSILON);
+    }
+    {
+        typedef std::unordered_multimap<int, std::string, std::hash<int>, std::equal_to<int>,
+                            min_allocator<std::pair<const int, std::string>>> C;
+        typedef std::pair<int, std::string> P;
+        const C c;
+        assert(c.load_factor() == 0);
+    }
+#endif
+}