public void IntegerDivide()
{
RpnParser rpn = new RpnParser();
Assert.AreEqual(3, rpn.Evaluate("6/2"));
Assert.AreEqual(2, rpn.Evaluate("5/2"));
}
public void IntegerMultiply()
{
RpnParser rpn = new RpnParser();
Assert.AreEqual(6, rpn.Evaluate("2*3"));
Assert.AreEqual(3000, rpn.Evaluate("50*60"));
}
public void IntegerSubNegative()
{
RpnParser rpn = new RpnParser();
Assert.AreEqual(-21, rpn.Evaluate("-6-5-4-3-2-1"));
Assert.AreEqual(-3, rpn.Evaluate("-1-2"));
}
public void IntegerSub()
{
RpnParser rpn = new RpnParser();
Assert.AreEqual(0, rpn.Evaluate("1-1"));
Assert.AreEqual(1000, rpn.Evaluate("2000-1000"));
}
public void IntegerAddNegative()
{
RpnParser rpn = new RpnParser();
Assert.AreEqual(1, rpn.Evaluate("-1+2"));
Assert.AreEqual(-3, rpn.Evaluate("-1+-2"));
}
public void IntegerAdd()
{
RpnParser rpn = new RpnParser();
Assert.AreEqual(2, rpn.Evaluate("1+1"));
Assert.AreEqual(3000, rpn.Evaluate("1000+2000"));
Assert.AreEqual(21, rpn.Evaluate("1+2+3+4+5+6"));
}
public void IntegerLessThan()
{
RpnParser rpn = new RpnParser();
Assert.AreEqual(false, rpn.Evaluate("4<2"));
Assert.AreEqual(true, rpn.Evaluate("100<200"));
Assert.AreEqual(false, rpn.Evaluate("100<=100"));
Assert.AreEqual(true, rpn.Evaluate("100<=99"));
Assert.AreEqual(false, rpn.Evaluate("10+10<10-5"));
}
public void IntegerGreaterThan()
{
RpnParser rpn = new RpnParser();
Assert.AreEqual(true, rpn.Evaluate("4>2"));
Assert.AreEqual(false, rpn.Evaluate("100>200"));
Assert.AreEqual(true, rpn.Evaluate("100>=100"));
Assert.AreEqual(false, rpn.Evaluate("100>=99"));
Assert.AreEqual(true, rpn.Evaluate("10+10>10-5"));
}
public void IntegerEqual()
{
RpnParser rpn = new RpnParser();
Assert.AreEqual(true, rpn.Evaluate("4=4"));
Assert.AreEqual(false, rpn.Evaluate("5=4"));
Assert.AreEqual(true, rpn.Evaluate("4==4"));
Assert.AreEqual(false, rpn.Evaluate("5==4"));
Assert.AreEqual(false, rpn.Evaluate("3+2==2+3"));
}