Add to the hash tests, tests for the BOOST_HASH_NO_EXTENSIONS macro and a few other updates.

[SVN r32901]

test/hash_no_ext_fail_test.cpp

@@ -0,0 +1,21 @@
+
+//  (C) Copyright Daniel James 2005.
+//  Use, modification and distribution are subject to 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)
+
+#define HASH_NAMESPACE boost
+
+// Simple test to make sure BOOST_HASH_NO_EXTENSIONS does disable extensions
+// (or at least one of them).
+#define BOOST_HASH_NO_EXTENSIONS
+
+#include <boost/functional/hash.hpp>
+#include <boost/functional/hash.hpp>
+#include <set>
+
+int main()
+{
+    HASH_NAMESPACE::hash< std::set<int> > hasher;
+    return 0;
+}