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<?php
 class EncoderTest extends PHPUnit_Framework_TestCase
 {
 private $encoder;
 
 /**
 * Setup the test environment.
 */
 public function setUp()
 {
 $this->encoder = new Encoder;
 }
 
 /**
 * Tear down the test environment.
 */
 public function tearDown()
 {
 $this->encoder = null;
 }
 
 /**
 * Test instance of $this->encoder;
 */
 public function testInstanceOf()
 {
 $this->assertInstanceOf('Encoder', $this->encoder);
 }
 }
 
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