diff --git a/composer.json b/composer.json
index 7b7e205..9fc9cc7 100644
--- a/composer.json
+++ b/composer.json
@@ -20,11 +20,19 @@
         "wyrihaximus/async-test-utilities": "^5 || ^7.2",
         "wyrihaximus/pool-info": "^1.1 || ^2.0"
     },
+    "require-dev": {
+        "react-parallel/runtime": "^3"
+    },
     "autoload": {
         "psr-4": {
             "ReactParallel\\Tests\\": "src/"
         }
     },
+    "autoload-dev": {
+        "psr-4": {
+            "ReactParallel\\Tests\\Tests\\": "tests/"
+        }
+    },
     "config": {
         "allow-plugins": {
             "dealerdirect/phpcodesniffer-composer-installer": true,
diff --git a/composer.lock b/composer.lock
index cb39a6a..6af0f09 100644
--- a/composer.lock
+++ b/composer.lock
@@ -4,7 +4,7 @@
         "Read more about it at https://getcomposer.org/doc/01-basic-usage.md#installing-dependencies",
         "This file is @generated automatically"
     ],
-    "content-hash": "4d62bac725a9acb4ffa4711a01d06c51",
+    "content-hash": "535fdb13e75702c6498b2522460f1aef",
     "packages": [
         {
             "name": "amphp/amp",
@@ -11218,7 +11218,65 @@
             "time": "2023-01-07T21:34:04+00:00"
         }
     ],
-    "packages-dev": [],
+    "packages-dev": [
+        {
+            "name": "react-parallel/runtime",
+            "version": "3.0.0",
+            "source": {
+                "type": "git",
+                "url": "https://github.com/reactphp-parallel/runtime.git",
+                "reference": "724b2e6c2296435f8ad7eb2b9047647aa7908e0f"
+            },
+            "dist": {
+                "type": "zip",
+                "url": "https://api.github.com/repos/reactphp-parallel/runtime/zipball/724b2e6c2296435f8ad7eb2b9047647aa7908e0f",
+                "reference": "724b2e6c2296435f8ad7eb2b9047647aa7908e0f",
+                "shasum": ""
+            },
+            "require": {
+                "ext-parallel": "*",
+                "php": "^8.1",
+                "react-parallel/event-loop": "^2.0.0",
+                "react/event-loop": "^1.5",
+                "react/promise": "^2.9 || ^3.2",
+                "wyrihaximus/constants": "^1.6"
+            },
+            "require-dev": {
+                "react-parallel/stubs": "^1.2",
+                "wyrihaximus/async-test-utilities": "^5 || ^7.2",
+                "wyrihaximus/ticking-promise": "^3"
+            },
+            "type": "library",
+            "autoload": {
+                "psr-4": {
+                    "ReactParallel\\Runtime\\": "src/"
+                }
+            },
+            "notification-url": "https://packagist.org/downloads/",
+            "license": [
+                "MIT"
+            ],
+            "authors": [
+                {
+                    "name": "Cees-Jan Kiewiet",
+                    "email": "ceesjank@gmail.com",
+                    "homepage": "http://wyrihaximus.net/"
+                }
+            ],
+            "description": "💨 Convinence wrapper around ext-parallel Runtime for and ReactPHP",
+            "support": {
+                "issues": "https://github.com/reactphp-parallel/runtime/issues",
+                "source": "https://github.com/reactphp-parallel/runtime/tree/3.0.0"
+            },
+            "funding": [
+                {
+                    "url": "https://github.com/WyriHaximus",
+                    "type": "github"
+                }
+            ],
+            "time": "2025-02-09T17:04:03+00:00"
+        }
+    ],
     "aliases": [],
     "minimum-stability": "stable",
     "stability-flags": {},
diff --git a/tests/AbstractPoolTestTest.php b/tests/AbstractPoolTestTest.php
new file mode 100644
index 0000000..899bfbc
--- /dev/null
+++ b/tests/AbstractPoolTestTest.php
@@ -0,0 +1,17 @@
+<?php
+
+declare(strict_types=1);
+
+namespace ReactParallel\Tests\Tests;
+
+use ReactParallel\Contracts\PoolInterface;
+use ReactParallel\EventLoop\EventLoopBridge;
+use ReactParallel\Tests\AbstractPoolTest;
+
+final class AbstractPoolTestTest extends AbstractPoolTest
+{
+    protected function createPool(): PoolInterface
+    {
+        return new ImmidiatePool(new EventLoopBridge());
+    }
+}
diff --git a/tests/ImmidiatePool.php b/tests/ImmidiatePool.php
new file mode 100644
index 0000000..367f49a
--- /dev/null
+++ b/tests/ImmidiatePool.php
@@ -0,0 +1,79 @@
+<?php
+
+declare(strict_types=1);
+
+namespace ReactParallel\Tests\Tests;
+
+use ReactParallel\Contracts\ClosedException;
+use ReactParallel\Contracts\PoolInterface;
+use ReactParallel\EventLoop\EventLoopBridge;
+use ReactParallel\Runtime\Runtime;
+use WyriHaximus\PoolInfo\Info;
+
+final class ImmidiatePool implements PoolInterface
+{
+    private int $activeThreads = 0;
+    private bool $closed = false;
+    /** @var array<Runtime> */
+    private array $runtimes = [];
+
+    public function __construct(private readonly EventLoopBridge $eventLoopBridge)
+    {
+    }
+
+    /**
+     * {@inheritDoc}
+     */
+    public function info(): iterable
+    {
+        yield Info::TOTAL => $this->activeThreads;
+        yield Info::BUSY => $this->activeThreads;
+        yield Info::CALLS => 0;
+        yield Info::IDLE  => 0;
+        yield Info::SIZE  => $this->activeThreads;
+    }
+
+    /**
+     * {@inheritDoc}
+     */
+    public function run(\Closure $callable, array $args = []): mixed
+    {
+        if ($this->closed === true) {
+            throw ClosedException::create();
+        }
+
+        $runtime = Runtime::create($this->eventLoopBridge);
+        $this->runtimes[\spl_object_id($runtime)] = $runtime;
+        $this->activeThreads++;
+        try {
+            $result = $runtime->run($callable, $args);
+        } finally {
+            unset($this->runtimes[\spl_object_id($runtime)]);
+        }
+        $this->activeThreads--;
+
+        return $result;
+    }
+
+    public function close(): bool
+    {
+        $this->closed = true;
+
+        foreach ($this->runtimes as $runtime) {
+            $runtime->close();
+        }
+
+        return true;
+    }
+
+    public function kill(): bool
+    {
+        $this->closed = true;
+
+        foreach ($this->runtimes as $runtime) {
+            $runtime->kill();
+        }
+
+        return true;
+    }
+}