<?php namespace yiiunit\framework\helpers; use \yii\helpers\VarDumper; use yii\test\TestCase; class VarDumperTest extends TestCase { public function testDumpObject() { $obj = new \StdClass(); ob_start(); VarDumper::dump($obj); $this->assertEquals("stdClass#1\n(\n)", ob_get_contents()); ob_end_clean(); } }