Constructive description here

vendor/nikic/php-parser/test/PhpParser/AutoloaderTest.php

@@ -0,0 +1,15 @@
+<?php
+
+namespace PhpParser;
+
+/* The autoloader is already active at this point, so we only check effects here. */
+
+class AutoloaderTest extends \PHPUnit_Framework_TestCase {
+    public function testClassExists() {
+        $this->assertTrue(class_exists('PhpParser\NodeVisitorAbstract'));
+        $this->assertFalse(class_exists('PHPParser_NodeVisitor_NameResolver'));
+
+        $this->assertFalse(class_exists('PhpParser\FooBar'));
+        $this->assertFalse(class_exists('PHPParser_FooBar'));
+    }
+}