public function testReadPoPlural() {
		$file = "{$this->_path}/de/LC_MESSAGES/default.po";
		$data = <<<EOD
msgid "singular 1"
msgid_plural "plural 1"
msgstr[0] "translated 1-0"
msgstr[1] "translated 1-1"
EOD;
		file_put_contents($file, $data);

		$expected = array(
			'singular 1' => array(
				'id' => 'singular 1',
				'ids' => array('singular' => 'singular 1', 'plural' => 'plural 1'),
				'flags' => array(),
				'translated' => array('translated 1-0', 'translated 1-1'),
				'occurrences' => array(),
				'comments' => array()
			)
		);
		$result = $this->adapter->read('message', 'de', null);
		$this->assertEqual($expected, $result);
	}