public function testValidateContent()
 {
     $invalidPath = vfsStream::url('root/invalid');
     $path = vfsStream::url('root/test');
     $fileObject = new \SplFileInfo($path);
     $this->assertFalse($this->provider->validateContent(NULL));
     $this->assertFalse($this->provider->validateContent(25));
     $this->assertFalse($this->provider->validateContent($invalidPath));
     $this->assertTrue($this->provider->validateContent($path));
     $this->assertTrue($this->provider->validateContent($fileObject));
 }