Add the boost::hash unit tests.

[SVN r27903]

test/hash_sequence_test.hpp

@@ -0,0 +1,60 @@
+
+//  (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)
+
+#if !defined(CONTAINER_TYPE)
+#error "CONTAINER_TYPE not defined"
+#else
+
+#include <boost/preprocessor/cat.hpp>
+#include <boost/assign/list_inserter.hpp>
+
+namespace BOOST_PP_CAT(CONTAINER_TYPE, _tests)
+{
+    template <class T>
+    void integer_tests(T* = 0)
+    {
+        using namespace boost::assign;
+
+        const int number_of_containers = 11;
+        T containers[number_of_containers];
+
+        for(int i = 0; i < 5; ++i) {
+            for(int j = 0; j < i; ++j)
+                boost::assign::push_back(containers[i])(0);
+        }
+
+        boost::assign::push_back(containers[5])(1);
+        boost::assign::push_back(containers[6])(1)(1);
+        boost::assign::push_back(containers[7])(-1);
+        boost::assign::push_back(containers[8])(-1)(-1);
+        boost::assign::push_back(containers[9])(1)(-1);
+        boost::assign::push_back(containers[10])(-1)(1);
+
+        boost::hash<T> hasher;
+
+        for(int i2 = 0; i2 < number_of_containers; ++i2) {
+            BOOST_CHECK_EQUAL(hasher(containers[i2]), hasher(containers[i2]));
+
+            for(int j2 = i2 + 1; j2 < number_of_containers; ++j2) {
+                BOOST_CHECK(
+                        (containers[i2] == containers[j2]) ==
+                        (hasher(containers[i2]) == hasher(containers[j2]))
+                        );
+            }
+        }
+    }
+
+    BOOST_AUTO_UNIT_TEST(BOOST_PP_CAT(CONTAINER_TYPE, _hash_integer_tests))
+    {
+        integer_tests((CONTAINER_TYPE<char>*) 0);
+        integer_tests((CONTAINER_TYPE<int>*) 0);
+        integer_tests((CONTAINER_TYPE<unsigned long>*) 0);
+        integer_tests((CONTAINER_TYPE<double>*) 0);
+    }
+}
+
+#undef CONTAINER_TYPE
+#endif