--- /dev/null
+<?php
+
+/*
+ * This file is part of Psy Shell.
+ *
+ * (c) 2012-2018 Justin Hileman
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Psy\Test\Exception;
+
+use Psy\Exception\RuntimeException;
+
+class RuntimeExceptionTest extends \PHPUnit\Framework\TestCase
+{
+ public function testException()
+ {
+ $msg = 'bananas';
+ $e = new RuntimeException($msg);
+
+ $this->assertInstanceOf('Psy\Exception\Exception', $e);
+ $this->assertInstanceOf('RuntimeException', $e);
+ $this->assertInstanceOf('Psy\Exception\RuntimeException', $e);
+
+ $this->assertSame($msg, $e->getMessage());
+ $this->assertSame($msg, $e->getRawMessage());
+ }
+}