1--TEST--
2Observer: Nested fibers with unfinished fiber
3--EXTENSIONS--
4zend_test
5--INI--
6zend_test.observer.enabled=1
7zend_test.observer.fiber_switch=1
8--FILE--
9<?php
10
11$fiber = new Fiber(function (): void {
12    Fiber::suspend();
13
14    $fiber = new Fiber(function (): void {
15        Fiber::suspend();
16    });
17
18    $fiber->start();
19
20    Fiber::suspend();
21});
22
23$fiber->start();
24$fiber->resume();
25$fiber->resume();
26
27?>
28--EXPECTF--
29<!-- init '%sobserver_fiber_04.php' -->
30<!-- switching from fiber %s to %s -->
31<init '%s'>
32<!-- init {closure}() -->
33<!-- switching from fiber %s to %s -->
34<suspend '%s'>
35<!-- switching from fiber %s to %s -->
36<resume '%s'>
37<!-- switching from fiber %s to %s -->
38<init '%s'>
39<!-- init {closure}() -->
40<!-- switching from fiber %s to %s -->
41<suspend '%s'>
42<!-- switching from fiber %s to %s -->
43<suspend '%s'>
44<!-- switching from fiber %s to %s -->
45<resume '%s'>
46<!-- switching from fiber %s to %s -->
47<destroying '%s'>
48<!-- switching from fiber %s to %s -->
49<destroyed '%s'>
50<!-- switching from fiber %s to %s -->
51<returned '%s'>
52