Forward headers for the unordered containers.

[SVN r48802]

test/unordered/fwd_map_test.cpp

@@ -0,0 +1,62 @@
+
+// Copyright 2008 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)
+
+#include <boost/unordered/unordered_map_fwd.hpp>
+
+typedef boost::unordered_map<int, int> int_map;
+
+void call_swap(int_map& x, int_map& y) {
+    swap(x,y);
+}
+
+bool call_equals(int_map& x, int_map& y) {
+    return x == y;
+}
+
+bool call_not_equals(int_map& x, int_map& y) {
+    return x != y;
+}
+
+typedef boost::unordered_multimap<int, int> int_multimap;
+
+void call_swap(int_multimap& x, int_multimap& y) {
+    swap(x,y);
+}
+
+bool call_equals(int_multimap& x, int_multimap& y) {
+    return x == y;
+}
+
+bool call_not_equals(int_multimap& x, int_multimap& y) {
+    return x != y;
+}
+
+#include <boost/unordered_map.hpp>
+#include "../helpers/test.hpp"
+
+UNORDERED_AUTO_TEST(use_map_fwd_declared_function) {
+    int_map x, y;
+    x[1] = 2;
+    y[2] = 1;
+    call_swap(x, y);
+
+    BOOST_CHECK(y.find(1) != y.end() && y.find(1)->second == 2);
+    BOOST_CHECK(y.find(2) == y.end());
+
+    BOOST_CHECK(x.find(1) == x.end());
+    BOOST_CHECK(x.find(2) != x.end() && x.find(2)->second == 1);
+
+    BOOST_CHECK(!call_equals(x, y));
+    BOOST_CHECK(call_not_equals(x, y));
+}
+
+UNORDERED_AUTO_TEST(use_multimap_fwd_declared_function) {
+    int_multimap x, y;
+    call_swap(x, y);
+    BOOST_CHECK(call_equals(x, y));
+    BOOST_CHECK(!call_not_equals(x, y));
+}
+
+RUN_TESTS()