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vendor/react/event-loop/tests/ExtEventLoopTest.php

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+<?php
+
+namespace React\Tests\EventLoop;
+
+use React\EventLoop\ExtEventLoop;
+
+class ExtEventLoopTest extends AbstractLoopTest
+{
+    public function createLoop($readStreamCompatible = false)
+    {
+        if ('Linux' === PHP_OS && !extension_loaded('posix')) {
+            $this->markTestSkipped('libevent tests skipped on linux due to linux epoll issues.');
+        }
+
+        if (!extension_loaded('event')) {
+            $this->markTestSkipped('ext-event tests skipped because ext-event is not installed.');
+        }
+
+        $cfg = null;
+        if ($readStreamCompatible) {
+            $cfg = new \EventConfig();
+            $cfg->requireFeatures(\EventConfig::FEATURE_FDS);
+        }
+
+        return new ExtEventLoop($cfg);
+    }
+
+    public function createStream()
+    {
+        // Use a FIFO on linux to get around lack of support for disk-based file
+        // descriptors when using the EPOLL back-end.
+        if ('Linux' === PHP_OS) {
+            $this->fifoPath = tempnam(sys_get_temp_dir(), 'react-');
+
+            unlink($this->fifoPath);
+
+            posix_mkfifo($this->fifoPath, 0600);
+
+            $stream = fopen($this->fifoPath, 'r+');
+
+        // ext-event (as of 1.8.1) does not yet support in-memory temporary
+        // streams. Setting maxmemory:0 and performing a write forces PHP to
+        // back this temporary stream with a real file.
+        //
+        // This problem is mentioned at https://bugs.php.net/bug.php?id=64652&edit=3
+        // but remains unresolved (despite that issue being closed).
+        } else {
+            $stream = fopen('php://temp/maxmemory:0', 'r+');
+
+            fwrite($stream, 'x');
+            ftruncate($stream, 0);
+        }
+
+        return $stream;
+    }
+
+    public function writeToStream($stream, $content)
+    {
+        if ('Linux' !== PHP_OS) {
+            return parent::writeToStream($stream, $content);
+        }
+
+        fwrite($stream, $content);
+    }
+
+    /**
+     * @group epoll-readable-error
+     */
+    public function testCanUseReadableStreamWithFeatureFds()
+    {
+        if (PHP_VERSION_ID > 70000) {
+            $this->markTestSkipped('Memory stream not supported');
+        }
+
+        $this->loop = $this->createLoop(true);
+
+        $input = fopen('php://temp/maxmemory:0', 'r+');
+
+        fwrite($input, 'x');
+        ftruncate($input, 0);
+
+        $this->loop->addReadStream($input, $this->expectCallableExactly(2));
+
+        fwrite($input, "foo\n");
+        $this->loop->tick();
+
+        fwrite($input, "bar\n");
+        $this->loop->tick();
+    }
+}