diff --git a/tests/functional/acp_permissions_test.php b/tests/functional/acp_permissions_test.php
new file mode 100644
index 0000000000..4c5ae9bbb1
--- /dev/null
+++ b/tests/functional/acp_permissions_test.php
@@ -0,0 +1,53 @@
+<?php
+/**
+*
+* @package testing
+* @copyright (c) 2012 phpBB Group
+* @license http://opensource.org/licenses/gpl-2.0.php GNU General Public License v2
+*
+*/
+
+/**
+* @group functional
+*/
+class phpbb_functional_acp_permissions_test extends phpbb_functional_test_case
+{
+	public function test_set_permission()
+	{
+		$this->login();
+		$this->admin_login();
+		$this->add_lang('acp/permissions');
+
+		// Permissions tab
+		// XXX hardcoded ids
+		$crawler = $this->request('GET', 'adm/index.php?i=16&sid=' . $this->sid);
+		$this->assert_response_success();
+		// these language strings are html
+		$this->assertContains($this->lang('ACP_PERMISSIONS_EXPLAIN'), $this->client->getResponse()->getContent());
+
+		// User permissions
+		$crawler = $this->request('GET', 'adm/index.php?i=acp_permissions&icat=16&mode=setting_user_global&sid=' . $this->sid);
+		$this->assert_response_success();
+		$this->assertContains($this->lang('ACP_USERS_PERMISSIONS_EXPLAIN'), $this->client->getResponse()->getContent());
+
+		// Select admin
+		$form = $crawler->selectButton($this->lang('SUBMIT'))->form();
+		$data = array('username[0]' => 'admin');
+		$form->setValues($data);
+		$crawler = $this->client->submit($form);
+		$this->assert_response_success();
+		$this->assertContains($this->lang('ACL_SET'), $crawler->filter('h1')->eq(1)->text());
+
+		// Set u_hideonline to never
+		$form = $crawler->selectButton($this->lang('APPLY_PERMISSIONS'))->form();
+		// initially it should be a yes
+		$values = $form->getValues();
+		$this->assertEquals(1, $values['setting[2][0][u_hideonline]']);
+		// set to never
+		$data = array('setting[2][0][u_hideonline]' => '0');
+		$form->setValues($data);
+		$crawler = $this->client->submit($form);
+		$this->assert_response_success();
+		$this->assertContains($this->lang('AUTH_UPDATED'), $crawler->text());
+	}
+}