public function testGetters()
 {
     $httpStatusCode = 123;
     $headers = array(0 => 'Foo', 'Bar' => 'Baz');
     $body = "Foo Bar\nBáz";
     $connectionReponse = new DefaultConnectionResponse($httpStatusCode, $headers, $body);
     $this->assertEquals($httpStatusCode, $connectionReponse->getHttpStatusCode());
     $this->assertEquals($headers, $connectionReponse->getHeaders());
     $this->assertEquals($body, $connectionReponse->getBody());
     $this->assertEquals('Foo', $connectionReponse->getHeaderValue(0));
     $this->assertEquals('Baz', $connectionReponse->getHeaderValue('Bar'));
     $this->assertEquals('Baz', $connectionReponse->getHeaderValue('bar'));
     $this->assertEquals('', $connectionReponse->getHeaderValue(1));
     $this->assertEquals('', $connectionReponse->getHeaderValue('baz'));
 }