Fixes #216 remove \Exception type hint

src/Exception/SerializableException.php

@@ -21,9 +21,9 @@ class SerializableException implements \Serializable
     /**
      * Saves the exception data in an array.
      *
-     * @param \Exception $exception
+     * @param \Exception|\Throwable $exception
      */
-    public function __construct(\Exception $exception)
+    public function __construct($exception)
     {
         $this->data = [
             'code'     => $exception->getCode(),

test/Exception/SerializableExceptionTest.php

@@ -0,0 +1,32 @@
+<?php
+
+namespace ZendDeveloperToolsTest\Exception;
+
+use PHPUnit_Framework_TestCase;
+use ZendDeveloperTools\Exception\SerializableException;
+
+class SerializableExceptionTest extends PHPUnit_Framework_TestCase
+{
+    public function testException()
+    {
+        try {
+            new \Exception('foo');
+        } catch (\Exception $exception) {
+            $serializable = new SerializableException($exception);
+            $this->assertEquals('foo', $serializable->getMessage());
+        }
+    }
+
+    /**
+     * @requires PHP 7
+     */
+    public function testStdClassCallNotExistMethod()
+    {
+        try {
+            (new \stdClass)->iDoNotExist();
+        } catch (\Throwable $exception) {
+            $serializable = new SerializableException($exception);
+            $this->assertEquals('Call to undefined method stdClass::iDoNotExist()', $serializable->getMessage());
+        }
+    }
+}