1--TEST--
2Resume running fiber
3--FILE--
4<?php
5
6$fiber = new Fiber(function (): void {
7    $self = Fiber::getCurrent();
8    $self->resume();
9});
10
11$fiber->start();
12
13?>
14--EXPECTF--
15Fatal error: Uncaught FiberError: Cannot resume a fiber that is not suspended in %sresume-running-fiber.php:%d
16Stack trace:
17#0 %sresume-running-fiber.php(%d): Fiber->resume()
18#1 [internal function]: {closure}()
19#2 %sresume-running-fiber.php(%d): Fiber->start()
20#3 {main}
21  thrown in %sresume-running-fiber.php on line %d
22