diff --git a/flight/Engine.php b/flight/Engine.php
index aa4e202..c325394 100644
--- a/flight/Engine.php
+++ b/flight/Engine.php
@@ -94,6 +94,9 @@ class Engine
     /** If the framework has been initialized or not. */
     protected bool $initialized = false;
 
+    /** If the request has been handled or not. */
+    protected bool $requestHandled = false;
+
     public function __construct()
     {
         $this->loader = new Loader();
@@ -476,6 +479,19 @@ class Engine
     {
         $dispatched = false;
         $self = $this;
+
+        // This behavior is specifically for test suites, and for async platforms like swoole, workerman, etc.
+        if ($this->requestHandled === false) {
+            // not doing much here, just setting the requestHandled flag to true
+            $this->requestHandled = true;
+        } else {
+            // deregister the request and response objects and re-register them with new instances
+            $this->unregister('request');
+            $this->unregister('response');
+            $this->register('request', Request::class);
+            $this->register('response', Response::class);
+            $this->router()->reset();
+        }
         $request = $this->request();
         $response = $this->response();
         $router = $this->router();
@@ -498,7 +514,6 @@ class Engine
 
         // Route the request
         $failedMiddlewareCheck = false;
-
         while ($route = $router->route($request)) {
             $params = array_values($route->params);
 
diff --git a/flight/net/Request.php b/flight/net/Request.php
index f88c770..5164b11 100644
--- a/flight/net/Request.php
+++ b/flight/net/Request.php
@@ -211,8 +211,8 @@ class Request
                     $this->data->setData($data);
                 }
             }
-		// Check PUT, PATCH, DELETE for application/x-www-form-urlencoded data
-        } else if (in_array($this->method, [ 'PUT', 'DELETE', 'PATCH' ], true) === true) {
+        // Check PUT, PATCH, DELETE for application/x-www-form-urlencoded data
+        } elseif (in_array($this->method, [ 'PUT', 'DELETE', 'PATCH' ], true) === true) {
             $body = $this->getBody();
             if ($body !== '') {
                 $data = [];
diff --git a/tests/EngineTest.php b/tests/EngineTest.php
index 45445ed..fc2e8ff 100644
--- a/tests/EngineTest.php
+++ b/tests/EngineTest.php
@@ -175,6 +175,30 @@ class EngineTest extends TestCase
         $engine->start();
     }
 
+	public function testDoubleStart() 
+    {
+		$engine = new Engine();
+		$engine->route('/someRoute', function () {
+			echo 'i ran';
+		}, true);
+		$engine->request()->url = '/someRoute';
+		$engine->start();
+
+		$request = $engine->request();
+		$response = $engine->response();
+
+		// This is pretending like this is embodied in a platform like swoole where
+		// another request comes in while still holding all the same state.
+		$_SERVER['REQUEST_METHOD'] = 'GET';
+		$_SERVER['REQUEST_URI'] = '/someRoute';
+		$engine->start();
+
+		$this->assertFalse($request === $engine->request());
+		$this->assertFalse($response === $engine->response());
+
+		$this->expectOutputString('i rani ran');
+	}
+
     public function testStopWithCode()
     {
         $engine = new class extends Engine {
diff --git a/tests/FlightAsyncTest.php b/tests/FlightAsyncTest.php
new file mode 100644
index 0000000..1a53f44
--- /dev/null
+++ b/tests/FlightAsyncTest.php
@@ -0,0 +1,83 @@
+<?php
+
+declare(strict_types=1);
+
+namespace tests;
+
+use Flight;
+use flight\Engine;
+use PHPUnit\Framework\TestCase;
+
+class FlightAsyncTest extends TestCase
+{
+    public static function setUpBeforeClass(): void
+    {
+        Flight::setEngine(new Engine());
+    }
+
+    protected function setUp(): void
+    {
+        $_SERVER = [];
+        $_REQUEST = [];
+    }
+
+    protected function tearDown(): void
+    {
+        unset($_REQUEST);
+        unset($_SERVER);
+    }
+
+    // Checks that default components are loaded
+    public function testSingleRoute()
+    {
+        Flight::route('GET /', function () {
+            echo 'hello world';
+        });
+
+        $this->expectOutputString('hello world');
+        Flight::start();
+    }
+
+    public function testMultipleRoutes()
+    {
+        Flight::route('GET /', function () {
+            echo 'hello world';
+        });
+
+        Flight::route('GET /test', function () {
+            echo 'test';
+        });
+
+        $this->expectOutputString('test');
+        $_SERVER['REQUEST_URI'] = '/test';
+        Flight::start();
+    }
+
+    public function testMultipleStartsSingleRoute()
+    {
+        Flight::route('GET /', function () {
+            echo 'hello world';
+        });
+
+        $this->expectOutputString('hello worldhello world');
+        Flight::start();
+        Flight::start();
+    }
+
+    public function testMultipleStartsMultipleRoutes()
+    {
+        Flight::route('GET /', function () {
+            echo 'hello world';
+        });
+
+        Flight::route('GET /test', function () {
+            echo 'test';
+        });
+
+        $this->expectOutputString('testhello world');
+        $_SERVER['REQUEST_URI'] = '/test';
+        Flight::start();
+        $_SERVER['REQUEST_URI'] = '/';
+        Flight::start();
+    }
+}
diff --git a/tests/FlightTest.php b/tests/FlightTest.php
index 54acf53..fbc8eb6 100644
--- a/tests/FlightTest.php
+++ b/tests/FlightTest.php
@@ -378,7 +378,7 @@ class FlightTest extends TestCase
 
     public function testKeepThePreviousStateOfOneViewComponentByDefault(): void
     {
-        $this->expectOutputString(<<<'html'
+        $html = <<<'html'
         <div>Hi</div>
         <div>Hi</div>
 
@@ -386,7 +386,12 @@ class FlightTest extends TestCase
 
         <input type="number" />
 
-        html);
+        html;
+
+        // if windows replace \n with \r\n
+        $html = str_replace("\n", PHP_EOL, $html);
+
+        $this->expectOutputString($html);
 
         Flight::render('myComponent', ['prop' => 'Hi']);
         Flight::render('myComponent');
diff --git a/tests/RequestTest.php b/tests/RequestTest.php
index 03acd5a..4044d06 100644
--- a/tests/RequestTest.php
+++ b/tests/RequestTest.php
@@ -163,7 +163,7 @@ class RequestTest extends TestCase
             'base' => '/vagrant/public',
             'query' => new Collection(),
             'type' => '',
-			'method' => 'GET'
+            'method' => 'GET'
         ]);
         $this->assertEquals('/flightphp', $request->url);
     }
@@ -174,7 +174,7 @@ class RequestTest extends TestCase
             'url' => '',
             'base' => '/vagrant/public',
             'type' => '',
-			'method' => 'GET'
+            'method' => 'GET'
         ]);
         $this->assertEquals('/', $request->url);
     }
@@ -193,13 +193,13 @@ class RequestTest extends TestCase
             'data' => new Collection(),
             'query' => new Collection(),
             'stream_path' => $stream_path,
-			'method' => 'POST'
+            'method' => 'POST'
         ]);
         $this->assertEquals([ 'foo' => 'bar' ], $request->data->getData());
         $this->assertEquals('{"foo":"bar"}', $request->getBody());
     }
 
-	public function testInitWithFormBody()
+    public function testInitWithFormBody()
     {
         // create dummy file to pull request body from
         $tmpfile = tmpfile();
@@ -213,12 +213,12 @@ class RequestTest extends TestCase
             'data' => new Collection(),
             'query' => new Collection(),
             'stream_path' => $stream_path,
-			'method' => 'PATCH'
+            'method' => 'PATCH'
         ]);
-        $this->assertEquals([ 
-			'foo' => 'bar', 
-			'baz' => 'qux' 
-		], $request->data->getData());
+        $this->assertEquals([
+            'foo' => 'bar',
+            'baz' => 'qux'
+        ], $request->data->getData());
         $this->assertEquals('foo=bar&baz=qux', $request->getBody());
     }
 
diff --git a/tests/ViewTest.php b/tests/ViewTest.php
index e95224d..e6d9d02 100644
--- a/tests/ViewTest.php
+++ b/tests/ViewTest.php
@@ -175,7 +175,7 @@ class ViewTest extends TestCase
 
     public function testKeepThePreviousStateOfOneViewComponentByDefault(): void
     {
-        $this->expectOutputString(<<<'html'
+        $html = <<<'html'
         <div>Hi</div>
         <div>Hi</div>
 
@@ -183,7 +183,12 @@ class ViewTest extends TestCase
 
         <input type="number" />
 
-        html);
+        html;
+
+        // if windows replace \n with \r\n
+        $html = str_replace("\n", PHP_EOL, $html);
+
+        $this->expectOutputString($html);
 
         $this->view->render('myComponent', ['prop' => 'Hi']);
         $this->view->render('myComponent');
@@ -197,11 +202,16 @@ class ViewTest extends TestCase
 
         $this->view->set('prop', 'bar');
 
-        $this->expectOutputString(<<<'html'
+        $html = <<<'html'
         <div>qux</div>
         <div>bar</div>
 
-        html);
+        html;
+
+        // if windows replace \n with \r\n
+        $html = str_replace("\n", PHP_EOL, $html);
+
+        $this->expectOutputString($html);
 
         $this->view->render('myComponent', ['prop' => 'qux']);
         $this->view->render('myComponent');
@@ -209,24 +219,29 @@ class ViewTest extends TestCase
 
     public static function renderDataProvider(): array
     {
-        return [
-            [
-                <<<'html'
+        $html1 = <<<'html'
                 <div>Hi</div>
                 <div></div>
 
-                html,
-                ['myComponent', ['prop' => 'Hi']],
-                '/^Undefined variable:? \$?prop$/'
-            ],
-            [
-                <<<'html'
+                html;
+        $html2 = <<<'html'
 
                 <input type="number" />
 
                 <input type="text" />
 
-                html,
+                html;
+
+        $html1 = str_replace("\n", PHP_EOL, $html1);
+        $html2 = str_replace("\n", PHP_EOL, $html2);
+        return [
+            [
+                $html1,
+                ['myComponent', ['prop' => 'Hi']],
+                '/^Undefined variable:? \$?prop$/'
+            ],
+            [
+                $html2,
                 ['input', ['type' => 'number']],
                 '/^.*$/'
             ],