Test inserting and constructing from input iterators.

Check thrown exception types properly.
Return by reference from 'get_key' so that the keys aren't copied.


[SVN r3115]

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>