updated to PHPUnit 9

README.md

@@ -7,13 +7,26 @@ ARC: Ariadne Component Library
 [![Latest Unstable Version](https://poser.pugx.org/arc/events/v/unstable.svg)](https://packagist.org/packages/arc/events)
 [![License](https://poser.pugx.org/arc/events/license.svg)](https://packagist.org/packages/arc/events)
 
-A flexible component library for PHP 5.4+ 
------------------------------------------ 
+A flexible component library for PHP
+------------------------------------ 
 
 The Ariadne Component Library is a spinoff from the Ariadne Web 
 Application Framework and Content Management System 
 [ http://www.ariadne-cms.org/ ]
 
 arc/events contains
 ------------------
-- events: W3C style event system, with a filesystem tree as the DOM
+- [events](docs/events.md): W3C style event system, with a filesystem tree as the DOM
+
+Example code:
+
+```php
+    \arc\events::cd('/foo/')->listen( 'onbeforesave', function( $event ) {
+        return $event->preventDefault(); // don't allow saves in /foo/
+    });
+
+    $eventData = \arc\events::cd('/foo/bar/')->fire( 'onbeforesave' );
+    if ( $eventData ) {
+         // save something, but alas - it has been prevented by a listener
+    }
+```

composer.json

@@ -12,15 +12,18 @@
 		}
 	],
 	"require": {
-		"php": ">=5.4",
-		"arc/base": "~2.1"
+		"php": ">=7.1",
+		"arc/base": "~3.0"
 	},
 	"autoload": {
 		"psr-4": {
 			"arc\\": "src/"
 		}
 	},
 	"require-dev": {
-		"phpunit/phpunit": "5.1.*"
+		"phpunit/phpunit": "9.*"
+	},
+	"scripts": {
+		"test": "phpunit --testdox"
 	}
 }

tests/events.Test.php

@@ -10,7 +10,7 @@
      */
 
 
-    class TestEvents extends PHPUnit_Framework_TestCase
+    class TestEvents extends PHPUnit\Framework\TestCase
     {
         function testFireListenRemove()
         {