--- /dev/null
+<?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\Component\VarDumper\Test;
+
+use Symfony\Component\VarDumper\Cloner\VarCloner;
+use Symfony\Component\VarDumper\Dumper\CliDumper;
+
+/**
+ * @author Nicolas Grekas <p@tchwork.com>
+ */
+trait VarDumperTestTrait
+{
+ public function assertDumpEquals($dump, $data, $message = '')
+ {
+ $this->assertSame(rtrim($dump), $this->getDump($data), $message);
+ }
+
+ public function assertDumpMatchesFormat($dump, $data, $message = '')
+ {
+ $this->assertStringMatchesFormat(rtrim($dump), $this->getDump($data), $message);
+ }
+
+ protected function getDump($data)
+ {
+ $h = fopen('php://memory', 'r+b');
+ $cloner = new VarCloner();
+ $cloner->setMaxItems(-1);
+ $dumper = new CliDumper($h);
+ $dumper->setColors(false);
+ $dumper->dump($cloner->cloneVar($data)->withRefHandles(false));
+ $data = stream_get_contents($h, -1, 0);
+ fclose($h);
+
+ return rtrim($data);
+ }
+}