public void ProcessNumberVariableConstant()
{
SimpleContext sc = new SimpleContext("");
IEvaluator etor = new PolishEvaluator();
sc.Assign("a", 5);
sc.Assign("b", 12);
sc.Assign("na", -5);
sc.Assign("nb", -12);
var res = etor.Eval("$a $b +", sc);
Assert.AreEqual(res, 17);
res = etor.Eval("$a $nb +", sc);
Assert.AreEqual(res, -7);
res = etor.Eval("$b $na -", sc);
Assert.AreEqual(res, 17);
res = etor.Eval("$na $nb -", sc);
Assert.AreEqual(res, 7);
res = etor.Eval("2 $na 3 + -", sc);
Assert.AreEqual(res, 4);
}
public void ProcessStringVariableConstant()
{
SimpleContext sc = new SimpleContext("");
IEvaluator etor = new PolishEvaluator();
sc.Assign("str1", "hello");
sc.Assign("str2", "world");
sc.Assign("spacer", " ");
var res = etor.Eval("$str1 $str2 +", sc);
Assert.AreEqual(res, "helloworld");
res = etor.Eval("$str1 $spacer $str2 + +", sc);
Assert.AreEqual(res, "hello world");
res = etor.Eval("\"TEST\" $spacer $str2 + +", sc);
Assert.AreEqual(res, "TEST world");
}
public void ProcessStringNumberVariableConstant()
{
SimpleContext sc = new SimpleContext("");
IEvaluator etor = new PolishEvaluator();
sc.Assign("str1", "hello");
sc.Assign("str2", "world");
sc.Assign("num1", 1000);
sc.Assign("num2", 24);
var res = etor.Eval("\"testnumber:\" $num1 $num2 + +", sc);
Assert.AreEqual(res, "testnumber:1024");
res = etor.Eval("\"testnumber:\" $num1 501 - +", sc);
Assert.AreEqual(res, "testnumber:499");
res = etor.Eval("$str1 $num1 $str2 $num2 + + +", sc);
Assert.AreEqual(res, "hello1000world24");
}
