public function testReturnedExpression()
{
$this->assertEquals('true or false', $this->expression->expression());
}
/**
* Check, if given expression evaluates true or false
*
* @param Expression $expression
* @param array $data
*
* @return bool
*/
public function evaluate(Expression $expression, array $data = array())
{
return $this->expressionReader->evaluate($expression->expression(), $data);
}