public function testLeftRightOpObjects()
{
$leftOp = new UnaryExpr('IS NOT NULLL', 'my_var');
$rightOp = new BasicExpr('my_other_var');
$expr = new BinaryExpr($leftOp, 'AND', $rightOp);
/* because we extend the basic expression the operand in the
* basic expression is our left operand
*/
$this->assertEquals($leftOp, $expr->getOperand());
$this->assertEquals($leftOp, $expr->getLeftOperand());
$this->assertEquals($rightOp, $expr->getRightOperand());
}
/**
* Merely improves readablity. The value of a domain expression is always
* the operand on the right side.
*
* @return mixed
*/
public function getValue()
{
return parent::getRightOperand();
}
