diff --git a/tests/functions/fixtures/banned_users.xml b/tests/functions/fixtures/banned_users.xml
new file mode 100644
index 0000000000..42b73dd270
--- /dev/null
+++ b/tests/functions/fixtures/banned_users.xml
@@ -0,0 +1,33 @@
+<?xml version="1.0" encoding="UTF-8" ?>
+<dataset>
+	<table name="phpbb_banlist">
+		<column>ban_userid</column>
+		<column>ban_exclude</column>
+		<column>ban_end</column>
+		<row>
+			<value>1</value>
+			<value>1</value>
+			<value>0</value>
+		</row>
+		<row>
+			<value>2</value>
+			<value>0</value>
+			<value>0</value>
+		</row>
+		<row>
+			<value>3</value>
+			<value>0</value>
+			<value>0</value>
+		</row>
+		<row>
+			<value>4</value>
+			<value>0</value>
+			<value>2</value>
+		</row>
+		<row>
+			<value>5</value>
+			<value>0</value>
+			<value>999999999999999999999</value>
+		</row>
+	</table>
+</dataset>
diff --git a/tests/functions/phpbb_get_banned_user_ids.php b/tests/functions/phpbb_get_banned_user_ids.php
new file mode 100644
index 0000000000..226012f68f
--- /dev/null
+++ b/tests/functions/phpbb_get_banned_user_ids.php
@@ -0,0 +1,33 @@
+<?php
+/**
+*
+* @package testing
+* @copyright (c) 2012 phpBB Group
+* @license http://opensource.org/licenses/gpl-2.0.php GNU General Public License v2
+*
+*/
+
+require_once dirname(__FILE__) . '/../../phpBB/includes/functions_user.php';
+
+class phpbb_get_banned_user_ids_test extends phpbb_database_test_case
+{
+	public function getDataSet()
+	{
+		return $this->createXMLDataSet(dirname(__FILE__) . '/fixtures/banned_users.xml');
+	}
+
+	public function test_phpbb_get_banned_user_ids()
+	{
+		global $db;
+
+		$db = $this->new_dbal();
+
+		$user_ids = array(1, 2, 4, 5);
+
+		$this->assertEquals(phpbb_get_banned_user_ids($user_ids, true), array(2 => 2, 5 => 5));
+
+		$this->assertEquals(phpbb_get_banned_user_ids($user_ids, false), array(2 => 2));
+
+		$this->assertEquals(phpbb_get_banned_user_ids($user_ids, 2), array(2 => 2, 5 => 5));
+	}
+}