diff --git a/test/unordered/transparent_tests.cpp b/test/unordered/transparent_tests.cpp
index fb9339d3..f5fd483f 100644
--- a/test/unordered/transparent_tests.cpp
+++ b/test/unordered/transparent_tests.cpp
@@ -448,6 +448,19 @@ template <class UnorderedMap> void test_map_transparent_equal_range()
       BOOST_TEST_EQ(val.first.x_, 0);
     }
 
+    iters = map.equal_range(1);
+
+    begin = iters.first;
+    end = iters.second;
+
+    BOOST_TEST(begin != end);
+    BOOST_TEST(begin != map.end());
+    BOOST_TEST_EQ(std::distance(begin, end), 1);
+
+    value_type const& val = *begin;
+    BOOST_TEST_EQ(val.first, 1);
+    BOOST_TEST_EQ(val.second, 1338);
+
     iters = map.equal_range(1337);
 
     begin = iters.first;
@@ -480,6 +493,19 @@ template <class UnorderedMap> void test_map_transparent_equal_range()
       BOOST_TEST_EQ(val.first.x_, 0);
     }
 
+    iters = map.equal_range(1);
+
+    begin = iters.first;
+    end = iters.second;
+
+    BOOST_TEST(begin != end);
+    BOOST_TEST(begin != map.end());
+    BOOST_TEST_EQ(std::distance(begin, end), 1);
+
+    value_type const& val = *begin;
+    BOOST_TEST_EQ(val.first, 1);
+    BOOST_TEST_EQ(val.second, 1338);
+
     iters = map.equal_range(1337);
 
     begin = iters.first;
@@ -576,6 +602,19 @@ template <class UnorderedMap> void test_map_non_transparent_equal_range()
       BOOST_TEST_EQ(val.first.x_, 0);
     }
 
+    iters = map.equal_range(1);
+
+    begin = iters.first;
+    end = iters.second;
+
+    BOOST_TEST(begin != end);
+    BOOST_TEST(begin != map.end());
+    BOOST_TEST_EQ(std::distance(begin, end), 1);
+
+    value_type const& val = *begin;
+    BOOST_TEST_EQ(val.first, 1);
+    BOOST_TEST_EQ(val.second, 1338);
+
     iters = map.equal_range(1337);
 
     begin = iters.first;
@@ -585,8 +624,8 @@ template <class UnorderedMap> void test_map_non_transparent_equal_range()
     BOOST_TEST(begin == map.end());
     BOOST_TEST_EQ(std::distance(begin, end), 0);
 
-    BOOST_TEST_EQ(key::count_, 2 + key_count);
-    key_count += 2;
+    BOOST_TEST_EQ(key::count_, 3 + key_count);
+    key_count += 3;
   }
 
   {
@@ -609,6 +648,19 @@ template <class UnorderedMap> void test_map_non_transparent_equal_range()
       BOOST_TEST_EQ(val.first.x_, 0);
     }
 
+    iters = map.equal_range(1);
+
+    begin = iters.first;
+    end = iters.second;
+
+    BOOST_TEST(begin != end);
+    BOOST_TEST(begin != map.end());
+    BOOST_TEST_EQ(std::distance(begin, end), 1);
+
+    value_type const& val = *begin;
+    BOOST_TEST_EQ(val.first, 1);
+    BOOST_TEST_EQ(val.second, 1338);
+
     iters = map.equal_range(1337);
 
     begin = iters.first;
@@ -618,7 +670,7 @@ template <class UnorderedMap> void test_map_non_transparent_equal_range()
     BOOST_TEST(begin == map.end());
     BOOST_TEST_EQ(std::distance(begin, end), 0);
 
-    BOOST_TEST_EQ(key::count_, 2 + key_count);
+    BOOST_TEST_EQ(key::count_, 3 + key_count);
   }
 }
 
@@ -705,6 +757,17 @@ template <class UnorderedSet> void test_set_transparent_equal_range()
       BOOST_TEST_EQ(val, 0);
     }
 
+    iters = set.equal_range(1);
+    begin = iters.first;
+    end = iters.second;
+
+    BOOST_TEST(begin != end);
+    BOOST_TEST(begin != set.end());
+    BOOST_TEST_EQ(std::distance(begin, end), 1);
+
+    value_type const& val = *begin;
+    BOOST_TEST_EQ(val, 1);
+
     iters = set.equal_range(1337);
 
     begin = iters.first;
@@ -737,6 +800,17 @@ template <class UnorderedSet> void test_set_transparent_equal_range()
       BOOST_TEST_EQ(val, 0);
     }
 
+    iters = set.equal_range(1);
+    begin = iters.first;
+    end = iters.second;
+
+    BOOST_TEST(begin != end);
+    BOOST_TEST(begin != set.end());
+    BOOST_TEST_EQ(std::distance(begin, end), 1);
+
+    value_type const& val = *begin;
+    BOOST_TEST_EQ(val, 1);
+
     iters = set.equal_range(1337);
 
     begin = iters.first;
@@ -833,6 +907,17 @@ template <class UnorderedSet> void test_set_non_transparent_equal_range()
       BOOST_TEST_EQ(val, 0);
     }
 
+    iters = set.equal_range(1);
+    begin = iters.first;
+    end = iters.second;
+
+    BOOST_TEST(begin != end);
+    BOOST_TEST(begin != set.end());
+    BOOST_TEST_EQ(std::distance(begin, end), 1);
+
+    value_type const& val = *begin;
+    BOOST_TEST_EQ(val, 1);
+
     iters = set.equal_range(1337);
 
     begin = iters.first;
@@ -842,8 +927,8 @@ template <class UnorderedSet> void test_set_non_transparent_equal_range()
     BOOST_TEST(begin == set.end());
     BOOST_TEST_EQ(std::distance(begin, end), 0);
 
-    BOOST_TEST_EQ(key::count_, 2 + key_count);
-    key_count += 2;
+    BOOST_TEST_EQ(key::count_, 3 + key_count);
+    key_count += 3;
   }
 
   {
@@ -866,6 +951,17 @@ template <class UnorderedSet> void test_set_non_transparent_equal_range()
       BOOST_TEST_EQ(val, 0);
     }
 
+    iters = set.equal_range(1);
+    begin = iters.first;
+    end = iters.second;
+
+    BOOST_TEST(begin != end);
+    BOOST_TEST(begin != set.end());
+    BOOST_TEST_EQ(std::distance(begin, end), 1);
+
+    value_type const& val = *begin;
+    BOOST_TEST_EQ(val, 1);
+
     iters = set.equal_range(1337);
 
     begin = iters.first;
@@ -875,7 +971,7 @@ template <class UnorderedSet> void test_set_non_transparent_equal_range()
     BOOST_TEST(begin == set.end());
     BOOST_TEST_EQ(std::distance(begin, end), 0);
 
-    BOOST_TEST_EQ(key::count_, 2 + key_count);
+    BOOST_TEST_EQ(key::count_, 3 + key_count);
   }
 }