diff --git a/tests/extension/ext/foo/acp/a_info.php b/tests/extension/ext/foo/acp/a_info.php
new file mode 100644
index 0000000000..3e9bbffaca
--- /dev/null
+++ b/tests/extension/ext/foo/acp/a_info.php
@@ -0,0 +1,16 @@
+<?php
+
+class phpbb_ext_foo_acp_a_info
+{
+	public function module()
+	{
+		return array(
+			'filename'	=> 'phpbb_ext_foo_acp_a_module',
+			'title'		=> 'Foobar',
+			'version'	=> '3.1.0-dev',
+			'modes'		=> array(
+				'config'		=> array('title' => 'Config',	'auth' => '', 'cat' => array('ACP_MODS')),
+			),
+		);
+	}
+}
diff --git a/tests/extension/ext/foo/acp/a_module.php b/tests/extension/ext/foo/acp/a_module.php
new file mode 100644
index 0000000000..093b4b1ad7
--- /dev/null
+++ b/tests/extension/ext/foo/acp/a_module.php
@@ -0,0 +1,5 @@
+<?php
+
+class phpbb_ext_foo_acp_a_module
+{
+}
diff --git a/tests/extension/ext/foo/acp/fail_info.php b/tests/extension/ext/foo/acp/fail_info.php
new file mode 100644
index 0000000000..98b0eb9529
--- /dev/null
+++ b/tests/extension/ext/foo/acp/fail_info.php
@@ -0,0 +1,16 @@
+<?php
+
+class phpbb_ext_foo_acp_foo_info
+{
+	public function module()
+	{
+		return array(
+			'filename'	=> 'phpbb_ext_foo_acp_fail_module',
+			'title'		=> 'Foobar',
+			'version'	=> '3.1.0-dev',
+			'modes'		=> array(
+				'config'		=> array('title' => 'Config',	'auth' => '', 'cat' => array('ACP_MODS')),
+			),
+		);
+	}
+}
diff --git a/tests/extension/ext/foo/acp/fail_module.php b/tests/extension/ext/foo/acp/fail_module.php
new file mode 100644
index 0000000000..dd16955418
--- /dev/null
+++ b/tests/extension/ext/foo/acp/fail_module.php
@@ -0,0 +1,5 @@
+<?php
+
+class phpbb_ext_foo_acp_fail_module
+{
+}
diff --git a/tests/extension/ext/foo/mcp/a_info.php b/tests/extension/ext/foo/mcp/a_info.php
new file mode 100644
index 0000000000..84a36b9134
--- /dev/null
+++ b/tests/extension/ext/foo/mcp/a_info.php
@@ -0,0 +1,16 @@
+<?php
+
+class phpbb_ext_foo_mcp_a_info
+{
+	public function module()
+	{
+		return array(
+			'filename'	=> 'phpbb_ext_foo_mcp_a_module',
+			'title'		=> 'Foobar',
+			'version'	=> '3.1.0-dev',
+			'modes'		=> array(
+				'config'		=> array('title' => 'Config',	'auth' => '', 'cat' => array('MCP_MAIN')),
+			),
+		);
+	}
+}
diff --git a/tests/extension/ext/foo/mcp/a_module.php b/tests/extension/ext/foo/mcp/a_module.php
new file mode 100644
index 0000000000..59d9f8cc6f
--- /dev/null
+++ b/tests/extension/ext/foo/mcp/a_module.php
@@ -0,0 +1,5 @@
+<?php
+
+class phpbb_ext_foo_mcp_a_module
+{
+}
diff --git a/tests/extension/modules_test.php b/tests/extension/modules_test.php
new file mode 100644
index 0000000000..52ec3503e7
--- /dev/null
+++ b/tests/extension/modules_test.php
@@ -0,0 +1,95 @@
+<?php
+/**
+*
+* @package testing
+* @copyright (c) 2013 phpBB Group
+* @license http://opensource.org/licenses/gpl-2.0.php GNU General Public License v2
+*
+*/
+
+require_once dirname(__FILE__) . './../../phpBB/includes/acp/acp_modules.php';
+
+class phpbb_extension_modules_test extends phpbb_test_case
+{
+	protected $extension_manager;
+	protected $finder;
+
+	public function setUp()
+	{
+		global $phpbb_extension_manager;
+
+		$this->extension_manager = new phpbb_mock_extension_manager(
+			dirname(__FILE__) . '/',
+			array(
+				'foo' => array(
+					'ext_name' => 'foo',
+					'ext_active' => '1',
+					'ext_path' => 'ext/foo/',
+				),
+				'bar' => array(
+					'ext_name' => 'bar',
+					'ext_active' => '1',
+					'ext_path' => 'ext/bar/',
+				),
+			));
+		$phpbb_extension_manager = $this->extension_manager;
+
+		$this->acp_modules = new acp_modules();
+	}
+
+	public function test_get_module_infos()
+	{
+		// the modules' info files needs to be included before the test for
+		// some reason ...
+		require_once dirname(__FILE__) . '/ext/foo/acp/a_info.php';
+		require_once dirname(__FILE__) . '/ext/foo/mcp/a_info.php';
+		require_once dirname(__FILE__) . '/ext/foo/acp/fail_info.php';
+
+		$this->acp_modules->module_class = 'acp';
+		$acp_modules = $this->acp_modules->get_module_infos();
+		$this->assertEquals(array(
+				'phpbb_ext_foo_acp_a_module' => array(
+					'filename'	=> 'phpbb_ext_foo_acp_a_module',
+					'title'		=> 'Foobar',
+					'version'	=> '3.1.0-dev',
+					'modes'		=> array(
+						'config'		=> array('title' => 'Config',	'auth' => '', 'cat' => array('ACP_MODS')),
+					),
+				),
+			), $acp_modules);
+
+		$this->acp_modules->module_class = 'mcp';
+		$acp_modules = $this->acp_modules->get_module_infos();
+		$this->assertEquals(array(
+				'phpbb_ext_foo_mcp_a_module' => array(
+					'filename'	=> 'phpbb_ext_foo_mcp_a_module',
+					'title'		=> 'Foobar',
+					'version'	=> '3.1.0-dev',
+					'modes'		=> array(
+						'config'		=> array('title' => 'Config',	'auth' => '', 'cat' => array('MCP_MAIN')),
+					),
+				),
+			), $acp_modules);
+
+		$this->acp_modules->module_class = 'mcp';
+		$acp_modules = $this->acp_modules->get_module_infos('mcp_a_module');
+		$this->assertEquals(array(
+				'phpbb_ext_foo_mcp_a_module' => array(
+					'filename'	=> 'phpbb_ext_foo_mcp_a_module',
+					'title'		=> 'Foobar',
+					'version'	=> '3.1.0-dev',
+					'modes'		=> array(
+						'config'		=> array('title' => 'Config',	'auth' => '', 'cat' => array('MCP_MAIN')),
+					),
+				),
+			), $acp_modules);
+
+		$this->acp_modules->module_class = 'mcp';
+		$acp_modules = $this->acp_modules->get_module_infos('mcp_a_fail');
+		$this->assertEquals(array(), $acp_modules);
+
+		$this->acp_modules->module_class = 'ucp';
+		$acp_modules = $this->acp_modules->get_module_infos();
+		$this->assertEquals(array(), $acp_modules);
+	}
+}