diff --git a/test/exception/constructor_tests.cpp b/test/exception/constructor_tests.cpp
index 87230879..390f391a 100644
--- a/test/exception/constructor_tests.cpp
+++ b/test/exception/constructor_tests.cpp
@@ -9,6 +9,7 @@
 #include <boost/test/unit_test.hpp>
 #include <boost/test/exception_safety.hpp>
 #include "../helpers/random_values.hpp"
+#include "../helpers/input_iterator.hpp"
 
 struct objects
 {
@@ -111,9 +112,20 @@ struct range_construct_test5 : public range<T>, objects
     }
 };
 
-// TODO: Write a test using an input iterator.
+template <class T>
+struct input_range_construct_test : public range<T>, objects
+{
+    input_range_construct_test() : range<T>(60) {}
+
+    void run() const {
+        T x(test::input_iterator(this->values.begin()),
+                test::input_iterator(this->values.end()),
+                0, hash, equal_to, allocator);
+    }
+};
 
 RUN_EXCEPTION_TESTS(
     (construct_test1)(construct_test2)(construct_test3)(construct_test4)(construct_test5)
-    (range_construct_test1)(range_construct_test2)(range_construct_test3)(range_construct_test4)(range_construct_test5),
+    (range_construct_test1)(range_construct_test2)(range_construct_test3)(range_construct_test4)(range_construct_test5)
+    (input_range_construct_test),
     CONTAINER_SEQ)
diff --git a/test/exception/erase_tests.cpp b/test/exception/erase_tests.cpp
index 6e8339d0..98cc5b1e 100644
--- a/test/exception/erase_tests.cpp
+++ b/test/exception/erase_tests.cpp
@@ -25,7 +25,14 @@ struct erase_test_base : public test::exception_base
     }
 
     void check(T const& x) const {
-        // TODO: Check that exception was thrown by hash or predicate object?
+        std::string scope(test::scope);
+
+        // TODO: Instead of checking for 'operator==', I should check against
+        // a scope stack.
+        BOOST_CHECK(scope.find("hash::") != std::string::npos ||
+                scope.find("equal_to::") != std::string::npos ||
+                scope == "operator==(object, object)");
+
         test::check_equivalent_keys(x);
     }
 };
diff --git a/test/exception/insert_tests.cpp b/test/exception/insert_tests.cpp
index 925330f8..ff779be7 100644
--- a/test/exception/insert_tests.cpp
+++ b/test/exception/insert_tests.cpp
@@ -12,6 +12,7 @@
 #include "../helpers/random_values.hpp"
 #include "../helpers/invariants.hpp"
 #include "../helpers/strong.hpp"
+#include "../helpers/input_iterator.hpp"
 
 #include <cmath>
 
@@ -31,7 +32,7 @@ struct insert_test_base : public test::exception_base
     void check(T const& x, strong_type const& strong) const {
         std::string scope(test::scope);
 
-        if(scope.find_first_of("hash::operator()") == std::string::npos)
+        if(scope.find("hash::operator()") == std::string::npos)
             strong.test(x);
         test::check_equivalent_keys(x);
     }
diff --git a/test/exception/rehash_tests.cpp b/test/exception/rehash_tests.cpp
index 07801021..9811c162 100644
--- a/test/exception/rehash_tests.cpp
+++ b/test/exception/rehash_tests.cpp
@@ -33,9 +33,13 @@ struct rehash_test_base : public test::exception_base
     void check(T const& x, strong_type const& strong) const {
         std::string scope(test::scope);
 
-        if(scope.find_first_of("hash::operator()") == std::string::npos &&
-                scope.find_first_of("equal_to::operator()") == std::string::npos)
+        // TODO: Instead of checking for 'operator==', I should check against
+        // a scope stack.
+        if(scope.find("hash::operator()") == std::string::npos &&
+                scope.find("equal_to::operator()") == std::string::npos &&
+                scope != "operator==(object, object)")
             strong.test(x);
+
         test::check_equivalent_keys(x);
     }
 };
@@ -78,3 +82,4 @@ struct rehash_test4 : rehash_test_base<T>
 RUN_EXCEPTION_TESTS(
     (rehash_test0)(rehash_test1)(rehash_test2)(rehash_test3)(rehash_test4),
     CONTAINER_SEQ)
+
diff --git a/test/helpers/helpers.hpp b/test/helpers/helpers.hpp
index 6a1cadef..83f4a432 100644
--- a/test/helpers/helpers.hpp
+++ b/test/helpers/helpers.hpp
@@ -13,26 +13,26 @@ namespace test
     {
         typedef typename Container::key_type key_type;
 
-        static key_type get_key(key_type const& x)
+        static key_type const& get_key(key_type const& x)
         {
             return x;
         }
 
         template <class T>
-        static key_type get_key(std::pair<key_type, T> const& x, char = 0)
+        static key_type const& get_key(std::pair<key_type, T> const& x, char = 0)
         {
             return x.first;
         }
 
         template <class T>
-        static key_type get_key(std::pair<key_type const, T> const& x, unsigned char = 0)
+        static key_type const& get_key(std::pair<key_type const, T> const& x, unsigned char = 0)
         {
             return x.first;
         }
     };
     
     template <class Container, class T>
-    inline typename Container::key_type get_key(T const& x)
+    inline typename Container::key_type const& get_key(T const& x)
     {
         return get_key_impl<Container>::get_key(x);
     }
diff --git a/test/helpers/input_iterator.hpp b/test/helpers/input_iterator.hpp
new file mode 100644
index 00000000..3731a408
--- /dev/null
+++ b/test/helpers/input_iterator.hpp
@@ -0,0 +1,37 @@
+
+// Copyright 2005-2006 Daniel James.
+// Distributed under the Boost Software License, Version 1.0. (See accompanying
+// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
+
+#if !defined(BOOST_UNORDERED_TEST_HELPERS_INPUT_ITERATOR_HEADER)
+#define BOOST_UNORDERED_TEST_HELPERS_INPUT_ITERATOR_HEADER
+
+#include <boost/iterator_adaptors.hpp>
+#include <boost/shared_ptr.hpp>
+
+namespace test
+{
+    // TODO: Make this a stricter input iterator.
+    template <class Iterator>
+    struct input_iterator_adaptor
+        : boost::iterator_adaptor<
+            input_iterator_adaptor<Iterator>, Iterator,
+            boost::use_default, std::input_iterator_tag>
+    {
+        typedef boost::iterator_adaptor<
+            input_iterator_adaptor<Iterator>, Iterator,
+            boost::use_default, std::input_iterator_tag> base;
+
+        explicit input_iterator_adaptor(Iterator it = Iterator())
+            : base(it) {}
+    };
+
+    template <class Iterator>
+    input_iterator_adaptor<Iterator> input_iterator(Iterator it)
+    {
+        return input_iterator_adaptor<Iterator>(it);
+    }
+}
+
+#endif
+
diff --git a/test/unordered/constructor_tests.cpp b/test/unordered/constructor_tests.cpp
index fa72a454..48d7be23 100644
--- a/test/unordered/constructor_tests.cpp
+++ b/test/unordered/constructor_tests.cpp
@@ -10,6 +10,7 @@
 #include "../helpers/random_values.hpp"
 #include "../helpers/tracker.hpp"
 #include "../helpers/equivalent.hpp"
+#include "../helpers/input_iterator.hpp"
 
 #include <iostream>
 
@@ -204,6 +205,15 @@ void constructor_tests2(T* = 0)
         test::check_container(x, v);
         test::check_container(y, x);
     }
+
+    std::cerr<<"Construct 8 - from input iterator\n";
+    {
+        test::random_values<T> v(100);
+        T x(test::input_iterator(v.begin()), test::input_iterator(v.end()), 0, hf1, eq1);
+        T y(test::input_iterator(x.begin()), test::input_iterator(x.end()), 0, hf2, eq2);
+        test::check_container(x, v);
+        test::check_container(y, x);
+    }
 }
 
 int main()
diff --git a/test/unordered/erase_tests.cpp b/test/unordered/erase_tests.cpp
index 05319e5c..d6cb1408 100644
--- a/test/unordered/erase_tests.cpp
+++ b/test/unordered/erase_tests.cpp
@@ -78,7 +78,6 @@ void erase_tests1(Container* = 0)
                 BOOST_TEST(next ==
                         (index == 0 ? x.begin() : boost::next(prev)));
             BOOST_TEST(x.count(key) == count - 1);
-            std::cerr<<x.count(key)<<"/"<<(count - 1)<<"\n";
             BOOST_TEST(x.size() == size);
         }
         BOOST_TEST(x.empty());
diff --git a/test/unordered/insert_tests.cpp b/test/unordered/insert_tests.cpp
index 98cfe5f9..c3664d34 100644
--- a/test/unordered/insert_tests.cpp
+++ b/test/unordered/insert_tests.cpp
@@ -12,6 +12,7 @@
 #include "../helpers/tracker.hpp"
 #include "../helpers/equivalent.hpp"
 #include "../helpers/invariants.hpp"
+#include "../helpers/input_iterator.hpp"
 
 #include <iostream>
     
@@ -199,6 +200,19 @@ void insert_tests2(X* = 0)
 
         test::check_equivalent_keys(x);
     }
+
+    std::cerr<<"insert input iterator range tests.\n";
+
+    {
+        X x;
+        const_iterator pos = x.begin();
+
+        test::random_values<X> v(1000);
+        x.insert(test::input_iterator(v.begin()), test::input_iterator(v.end()));
+        test::check_container(x, v);
+
+        test::check_equivalent_keys(x);
+    }
 }
 
 template <class X>