<?php
class test_wrapper_base {
	public $return_value;
	function stream_open($path, $mode, $openedpath) {
		return true;
	}
	function stream_eof() {
		return false;
	}
}
class test_wrapper extends test_wrapper_base {
	function stream_cast($castas) {
		return $this->return_value;
	}
}
function test($name, $fd, $return_value) {
	echo "\n------ $name: -------\n";
	$data = stream_get_meta_data($fd);
	$data['wrapper_data']->return_value = $return_value;
	$r = array($fd);
	$w = $e = null;
	var_dump(stream_select($r, $w, $e, 0) !== false);
}

var_dump(stream_wrapper_register('test', 'test_wrapper'));
var_dump(stream_wrapper_register('test2', 'test_wrapper_base'));

$fd = fopen("test://foo","r");
$fd2 = fopen("test2://foo","r");

test("valid stream", $fd, STDIN);
test("stream_cast not implemented", $fd2, null);
test("return value is false", $fd, false);
test("return value not a stream resource", $fd, "foo");
test("return value is stream itself", $fd, $fd);
test("return value cannot be casted", $fd, $fd2);

?>
