public function testEncoding() {
		$stream = new Stream($this->_testConfig);
		$result = $stream->open();
		$stream->encoding('UTF-8');
		$result = $stream->resource();
		$this->assertTrue(is_resource($result));

		$stream = new Stream($this->_testConfig + array('encoding' => 'UTF-8'));
		$result = $stream->open();
		$result = $stream->resource();
		$this->assertTrue(is_resource($result));
	}