public function testConvertToUrl() {
		$request = new Request(array(
			'env' => array('HTTP_HOST' => 'foo.com', 'HTTPS' => 'on'),
			'base' => '/the/base/path',
			'url' => '/the/url',
			'query' => array('some' => 'query', 'parameter' => 'values')
		));
		$expected = 'https://foo.com/the/base/path/the/url?some=query&parameter=values';
		$this->assertEqual($expected, $request->to('url'));

		$request = new Request(array(
			'env' => array('HTTP_HOST' => 'foo.com'),
			'base' => '/',
			'url' => '/',
			'query' => array()
		));
		$expected = 'http://foo.com/';
		$this->assertEqual($expected, $request->to('url'));

		$request = new Request(array(
			'url' => 'foo/bar',
			'base' => null,
			'env' => array('HTTP_HOST' => 'example.com', 'PHP_SELF' => '/index.php')
		));

		$expected = 'http://example.com/foo/bar';
		$this->assertEqual($expected, $request->to('url'));
	}