Actualización

vendor/symfony/framework-bundle/Tests/Templating/Helper/StopwatchHelperTest.php

@@ -0,0 +1,39 @@
+<?php
+
+/*
+ * This file is part of the Symfony package.
+ *
+ * (c) Fabien Potencier <fabien@symfony.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Symfony\Bundle\FrameworkBundle\Tests\Templating\Helper;
+
+use Symfony\Bundle\FrameworkBundle\Templating\Helper\StopwatchHelper;
+
+class StopwatchHelperTest extends \PHPUnit_Framework_TestCase
+{
+    public function testDevEnvironment()
+    {
+        $stopwatch = $this->getMock('Symfony\Component\Stopwatch\Stopwatch');
+        $stopwatch->expects($this->once())
+            ->method('start')
+            ->with('foo');
+
+        $helper = new StopwatchHelper($stopwatch);
+        $helper->start('foo');
+    }
+
+    public function testProdEnvironment()
+    {
+        $helper = new StopwatchHelper(null);
+
+        try {
+            $helper->start('foo');
+        } catch (\BadMethodCallException $e) {
+            $this->fail('Assumed stopwatch is not called when not provided');
+        }
+    }
+}