diff --git a/tests/search/mysql_test.php b/tests/search/mysql_test.php
new file mode 100644
index 0000000000..d9da2dfb2d
--- /dev/null
+++ b/tests/search/mysql_test.php
@@ -0,0 +1,155 @@
+<?php
+/**
+*
+* @package testing
+* @copyright (c) 2012 phpBB Group
+* @license http://opensource.org/licenses/gpl-2.0.php GNU General Public License v2
+*
+*/
+
+function phpbb_search_wrapper($class)
+{
+	$wrapped = $class . '_wrapper';
+	if (!class_exists($wrapped))
+	{
+		$code = "
+class $wrapped extends $class
+{
+	public function get_split_words() { return \$this->split_words; }
+}
+		";
+		eval($code);
+	}
+	return $wrapped;
+}
+
+class phpbb_search_mysql_test extends phpbb_database_test_case
+{
+	protected $db;
+	protected $search;
+
+	public function getDataSet()
+	{
+		return $this->createXMLDataSet(dirname(__FILE__) . '/fixtures/posts.xml');
+	}
+
+	protected function setUp()
+	{
+		global $phpbb_root_path, $phpEx, $config, $user, $cache;
+
+		parent::setUp();
+
+		// dbal uses cache
+		$cache = new phpbb_cache_driver_null;
+
+		$this->db = $this->new_dbal();
+		$error = null;
+		$class = phpbb_search_wrapper('phpbb_search_fulltext_mysql');
+		$this->search = new $class($error, $phpbb_root_path, $phpEx, null, $config, $this->db, $user);
+	}
+
+	protected function tearDown()
+	{
+		parent::tearDown();
+	}
+
+	public function keywords()
+	{
+		return array(
+			// keywords
+			// terms
+			// ok
+			// split words
+			// common words
+			array(
+				'fooo',
+				'all',
+				true,
+				array('fooo'),
+				array(),
+			),
+			array(
+				'fooo baar',
+				'all',
+				true,
+				array('fooo', 'baar'),
+				array(),
+			),
+			// leading, trailing and multiple spaces
+			array(
+				'      foo    bar   ',
+				'all',
+				true,
+				array('foo', 'bar'),
+				array(),
+			),
+			// words too short
+			array(
+				'f',
+				'all',
+				false,
+				null,
+				// short words count as "common" words
+				array('f'),
+			),
+			array(
+				'f o o',
+				'all',
+				false,
+				null,
+				array('f', 'o', 'o'),
+			),
+			array(
+				'foo -bar',
+				'all',
+				true,
+				array('-bar', 'foo'),
+				array(),
+			),
+			// all negative
+			array(
+				'-foo',
+				'all',
+				false,
+				null,
+				array(),
+			),
+			array(
+				'-foo -bar',
+				'all',
+				false,
+				array('-foo', '-bar'),
+				array(),
+			),
+		);
+	}
+
+	/**
+	* @dataProvider keywords
+	*/
+	public function test_split_keywords($keywords, $terms, $ok, $split_words, $common)
+	{
+		$rv = $this->search->split_keywords($keywords, $terms);
+		$this->assertEquals($ok, $rv);
+		if ($ok)
+		{
+			// only check criteria if the search is going to be performed
+			$this->assert_array_content_equals($split_words, $this->search->get_split_words());
+		}
+		$this->assert_array_content_equals($common, $this->search->get_common_words());
+	}
+
+	public function assert_array_content_equals($one, $two)
+	{
+		if (sizeof(array_diff($one, $two)) || sizeof(array_diff($two, $one)))
+		{
+			// get a nice error message
+			$this->assertEquals($one, $two);
+		}
+		else
+		{
+			// increase assertion count
+			$this->assertTrue(true);
+		}
+	}
+}