+ Fiber remains suspended after manager fiber terminates (event loop scenario)

Author: EdmondDantes

tests/fiber/022-fiber_suspended_after_manager_terminates.phpt

@@ -0,0 +1,51 @@
+--TEST--
+Fiber remains suspended after manager fiber terminates (event loop scenario)
+--FILE--
+<?php
+
+echo "Test: Suspended worker fiber after manager terminates\n";
+
+// Worker fiber with infinite loop (like Revolt's callbackFiber)
+$workerFiber = new Fiber(function() {
+    echo "Worker: started\n";
+    do {
+        echo "Worker: processing\n";
+        Fiber::suspend(); // Wait for next work
+        echo "Worker: resumed\n";
+    } while (true); // Infinite loop
+});
+
+// Manager fiber that controls worker (like Revolt's loop fiber)
+$managerFiber = new Fiber(function() use ($workerFiber) {
+    echo "Manager: starting worker\n";
+    $workerFiber->start();
+
+    echo "Manager: resuming worker once\n";
+    $workerFiber->resume();
+
+    echo "Manager: no more work, terminating\n";
+    // Manager terminates here, leaving worker suspended
+    return "done";
+});
+
+echo "Starting manager\n";
+$result = $managerFiber->start();
+
+echo "Manager terminated with: $result\n";
+echo "Worker is: " . ($workerFiber->isSuspended() ? "suspended" : "other") . "\n";
+
+echo "Test completed\n";
+?>
+--EXPECT--
+Test: Suspended worker fiber after manager terminates
+Starting manager
+Manager: starting worker
+Worker: started
+Worker: processing
+Manager: resuming worker once
+Worker: resumed
+Worker: processing
+Manager: no more work, terminating
+Manager terminated with: done
+Worker is: suspended
+Test completed