public void RefalLibrary_TestSubInt32()
{
var refal = new RefalLibrary(null);
var expr = PassiveExpression.Build(new OpeningBrace(), 321, new ClosingBrace(), 123);
var result = refal.Sub(expr);
Assert.AreEqual(result.Count, 1);
Assert.IsTrue(result[0] is int);
Assert.AreEqual((int)result[0], 198);
}
public void RefalLibrary_TestSubInt32Negative()
{
var refal = new RefalLibrary(null);
var expr = PassiveExpression.Build(new OpeningBrace(), 123, new ClosingBrace(), 321);
var result = refal.Sub(expr);
// result should be '-' 198 (two symbols)
Assert.AreEqual(result.Count, 2);
Assert.IsTrue(result[0] is char);
Assert.IsTrue(result[1] is int);
Assert.AreEqual((char)result[0], '-');
Assert.AreEqual((int)result[1], 198);
}