diff --git a/rdf/tests/httest.cpp b/rdf/tests/httest.cpp
new file mode 100644
index 000000000000..b8d3086ea5d3
--- /dev/null
+++ b/rdf/tests/httest.cpp
@@ -0,0 +1,121 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*-
+ *
+ * The contents of this file are subject to the Netscape Public License
+ * Version 1.0 (the "NPL"); you may not use this file except in
+ * compliance with the NPL.  You may obtain a copy of the NPL at
+ * http://www.mozilla.org/NPL/
+ *
+ * Software distributed under the NPL is distributed on an "AS IS" basis,
+ * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the NPL
+ * for the specific language governing rights and limitations under the
+ * NPL.
+ *
+ * The Initial Developer of this code under the NPL is Netscape
+ * Communications Corporation.  Portions created by Netscape are
+ * Copyright (C) 1998 Netscape Communications Corporation.  All Rights
+ * Reserved.
+ */
+
+#include <iostream>
+#include "rdf.h"
+#include "nsRDFCID.h"
+#include "nsINetService.h"
+
+#include "nsITreeDMItem.h"
+#include "nsITreeDataModel.h"
+#include "nsITreeColumn.h"
+
+#include "nsIToolbarDataModel.h"
+
+#include "nsRepository.h"
+
+#include "plstr.h"
+#include "plevent.h"
+
+// hackery to get stuff up and running
+#include "nsRDFTreeDataModel.h"
+#include "rdf-int.h"
+
+#if defined(XP_PC)
+#define NETLIB_DLL "netlib.dll"
+#define RDF_DLL    "rdf.dll"
+#elif defined(XP_UNIX)
+#define NETLIB_DLL "libnetlib.so"
+#define RDF_DLL    "librdf.so"
+#elif defined(XP_MAC)
+#else
+#error "unknown platform"
+#endif
+
+static NS_DEFINE_IID(kNetServiceCID,           NS_NETSERVICE_CID);
+static NS_DEFINE_IID(kCRDFTreeDataModelCID,    NS_RDFTREEDATAMODEL_CID);
+static NS_DEFINE_IID(kCRDFToolbarDataModelCID, NS_RDFTOOLBARDATAMODEL_CID);
+
+int
+main(int argc, char** argv)
+{
+    PL_InitializeEventsLib("");
+    nsRepository::RegisterFactory(kNetServiceCID, NETLIB_DLL, PR_FALSE, PR_FALSE);
+
+    nsRepository::RegisterFactory(kCRDFTreeDataModelCID, RDF_DLL, PR_FALSE, PR_FALSE);
+    nsRepository::RegisterFactory(kCRDFToolbarDataModelCID, RDF_DLL, PR_FALSE, PR_FALSE);
+
+    static NS_DEFINE_IID(kITreeDataModelIID, NS_ITREEDATAMODEL_IID);
+    nsITreeDataModel* tree;
+    nsresult res =
+        nsRepository::CreateInstance(kCRDFTreeDataModelCID,
+                                     NULL,
+                                     kITreeDataModelIID,
+                                     (void**) &tree);
+
+    if (NS_SUCCEEDED(res)) {
+        tree->InitFromURL(nsString("rdf:bookmarks"));
+
+        PRUint32 numColumns;
+        tree->GetColumnCount(numColumns);
+
+        nsITreeColumn** columns = new nsITreeColumn*[numColumns];
+        {
+            for (int i = 0; i < numColumns; ++i)
+                tree->GetNthColumn(columns[i], i);
+        }
+
+        {
+            PRUint32 size;
+            tree->GetTreeItemCount(size);
+
+            nsITreeDMItem* item;
+            for (int i = 0; i < size; ++i) {
+                if (NS_FAILED(tree->GetNthTreeItem(item, i)))
+                    break;
+
+                std::cout << "Item " << i << ": ";
+
+                for (int j = 0; j < numColumns; ++j) {
+                    nsString columnName;
+                    columns[j]->GetColumnName(columnName);
+
+                    nsString valueText;
+                    tree->GetItemTextForColumn(valueText, item, columns[j]);
+
+                    char buf[256];
+                    std::cout << columnName.ToCString(buf, sizeof buf);
+                    std::cout << "=\"" << valueText.ToCString(buf, sizeof buf) << "\" ";
+                }
+
+                std::cout << std::endl;
+                item->Release();
+            }
+        }
+
+        {
+            for (int i = 0; i < numColumns; ++i)
+                columns[i]->Release();
+        }
+
+        delete[] columns;
+        tree->Release();
+    }
+
+    return 0;
+}