diff -r 000000000000 -r 4f2f89ce4247 WebKit/gtk/tests/testwebsettings.c
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/WebKit/gtk/tests/testwebsettings.c	Fri Sep 17 09:02:29 2010 +0300
@@ -0,0 +1,81 @@
+/*
+ * Copyright (C) 2009 Jan Michael Alonzo
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Library General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Library General Public License for more details.
+ *
+ * You should have received a copy of the GNU Library General Public License
+ * along with this library; see the file COPYING.LIB.  If not, write to
+ * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
+ * Boston, MA 02110-1301, USA.
+ */
+
+#include <glib.h>
+#include <gtk/gtk.h>
+#include <webkit/webkit.h>
+
+#if GLIB_CHECK_VERSION(2, 16, 0) && GTK_CHECK_VERSION(2, 14, 0)
+
+static void test_webkit_web_settings_user_agent(void)
+{
+    WebKitWebSettings* settings;
+    GtkWidget* webView;
+    gchar* defaultUserAgent;
+    gchar* userAgent;
+    g_test_bug("17375");
+
+    webView = webkit_web_view_new();
+    g_object_ref_sink(webView);
+
+    settings = webkit_web_view_get_settings(WEBKIT_WEB_VIEW(webView));
+    defaultUserAgent = g_strdup(webkit_web_settings_get_user_agent(settings));
+
+    // test a custom UA string
+    userAgent = NULL;
+    g_object_set(G_OBJECT(settings), "user-agent", "testwebsettings/0.1", NULL);
+    g_object_get(G_OBJECT(settings),"user-agent", &userAgent, NULL);
+    g_assert_cmpstr(userAgent, ==, "testwebsettings/0.1");
+    g_free(userAgent);
+
+    // setting it to NULL or an empty value should give us the default UA string
+    userAgent = NULL;
+    g_object_set(G_OBJECT(settings), "user-agent", NULL, NULL);
+    g_object_get(G_OBJECT(settings),"user-agent", &userAgent, NULL);
+    g_assert_cmpstr(userAgent, ==, defaultUserAgent);
+    g_free(userAgent);
+
+    userAgent = NULL;
+    g_object_set(G_OBJECT(settings), "user-agent", "", NULL);
+    g_object_get(G_OBJECT(settings),"user-agent", &userAgent, NULL);
+    g_assert_cmpstr(userAgent, ==, defaultUserAgent);
+    g_free(userAgent);
+
+    g_free(defaultUserAgent);
+    g_object_unref(webView);
+}
+
+int main(int argc, char** argv)
+{
+    g_thread_init(NULL);
+    gtk_test_init(&argc, &argv, NULL);
+
+    g_test_bug_base("https://bugs.webkit.org/");
+    g_test_add_func("/webkit/websettings/user_agent", test_webkit_web_settings_user_agent);
+    return g_test_run ();
+}
+
+#else
+int main(int argc, char** argv)
+{
+    g_critical("You will need at least glib-2.16.0 and gtk-2.14.0 to run the unit tests. Doing nothing now.");
+    return 0;
+}
+
+#endif