Test against ext-event if available

Author: clue

tests/ExtEventLoopProcessTest.php

@@ -0,0 +1,20 @@
+<?php
+
+namespace React\Tests\ChildProcess;
+
+use React\EventLoop\ExtEventLoop;
+
+class ExtEventLoopProcessTest extends AbstractProcessTest
+{
+    public function createLoop()
+    {
+        if (!extension_loaded('event')) {
+            $this->markTestSkipped('ext-event is not installed.');
+        }
+        if (!class_exists('React\EventLoop\ExtEventLoop')) {
+            $this->markTestSkipped('ext-event not supported by this legacy react/event-loop version');
+        }
+
+        return new ExtEventLoop();
+    }
+}