//This is a simple test file like the onesd posted online


public class CalculatorTest {
    public static void main (String[] args) {

Calculator c = new Calculator ();

Calculator d = new Calculator();

	c.assign("x=4");
	c.assign("x=x2*");
	c.assign("a=x4*7/");
	c.assign("y=z4+");
	c.assign("b=ay*6/x/");
	c.assign("c=04-");
	int n = c.evaluate("abx+y+-ay/+");
	int m = c.evaluate("y");
	int o = c.evaluate("5");
	int p = c.evaluate("xxxxxx+-+--");
	d.assign("x=5");
	int r = d.evaluate("xy-");


	System.out.println("n should be -7 it is " + n);
	
	
	System.out.println("m should be 4 it is " + m);


	System.out.println("o should be 5 it is " + o);

	
	System.out.println("p should be 0 it is " + p);


	System.out.println("r should be 5 it is " + r);



  }
}