diff --git a/tests/dbal/concatenate_test.php b/tests/dbal/concatenate_test.php
new file mode 100644
index 0000000000..0891fa58a0
--- /dev/null
+++ b/tests/dbal/concatenate_test.php
@@ -0,0 +1,64 @@
+<?php
+/**
+*
+* @package testing
+* @copyright (c) 2012 phpBB Group
+* @license http://opensource.org/licenses/gpl-2.0.php GNU General Public License v2
+*
+*/
+
+class phpbb_dbal_concatenate_test extends phpbb_database_test_case
+{
+	public function getDataSet()
+	{
+		return $this->createXMLDataSet(dirname(__FILE__).'/fixtures/config.xml');
+	}
+
+	public function test_concatenate_string()
+	{
+		$db = $this->new_dbal();
+
+		$sql = 'SELECT config_name, ' . $db->sql_concatenate('config_name', "'" . $db->sql_escape('append') . "'") . ' AS string
+			FROM phpbb_config';
+		$result = $db->sql_query($sql);
+
+		$db->sql_return_on_error(false);
+
+		$this->assertEquals(array(
+				array(
+					'config_name'	=> 'config1',
+					'string'		=> 'config1append',
+				),
+				array(
+					'config_name'	=> 'config2',
+					'string'		=> 'config2append',
+				),
+			),
+			$db->sql_fetchrowset($result)
+		);
+	}
+
+	public function test_concatenate_statement()
+	{
+		$db = $this->new_dbal();
+
+		$sql = 'SELECT config_name, ' . $db->sql_concatenate('config_name', 'config_value') . ' AS string
+			FROM phpbb_config';
+		$result = $db->sql_query($sql);
+
+		$db->sql_return_on_error(false);
+
+		$this->assertEquals(array(
+				array(
+					'config_name'	=> 'config1',
+					'string'		=> 'config1foo',
+				),
+				array(
+					'config_name'	=> 'config2',
+					'string'		=> 'config2bar',
+				),
+			),
+			$db->sql_fetchrowset($result)
+		);
+	}
+}