public void Operator_ConstructorInputsMultiply_CreatesOperatorTreeBasedUponInputs()
{
var left = new Operand(OperandEnum.x);
var right = new Operand(OperandEnum.three);
var op = new Operator(OperatorEnum.multiply, left, right);
Assert.AreEqual(left.Type, op.Left.Type);
Assert.AreEqual(right.Type, op.Right.Type);
Assert.AreEqual("(x*3)", op.ToString());
Assert.AreEqual(15, op.Evalate(5));
Assert.AreEqual(false, op.DivideByZeroFlag);
Assert.AreEqual(2, op.Size());
Assert.AreEqual(true, op.GetRandomNode().Type == op.Type
|| op.GetRandomNode().Type == left.Type
|| op.GetRandomNode().Type == right.Type);
}
public void Operator_ConstructorInputsMinus_CreatesOperatorTreeBasedUponInputs()
{
var left = new Operand(OperandEnum.x);
var Right = new Operand(OperandEnum.three);
var op = new Operator(OperatorEnum.subtract, left, Right);
Assert.AreEqual(left.Type, op.Left.Type, "left type");
Assert.AreEqual(Right.Type, op.Right.Type, "rigth type");
Assert.AreEqual("(x-3)", op.ToString(), "to string");
Assert.AreEqual(2, op.Evalate(5), "evaluate");
Assert.AreEqual(false, op.DivideByZeroFlag, "divide by zero flage");
Assert.AreEqual(2, op.Size(), "height");
Assert.AreEqual(true, op.GetRandomNode().Type == op.Type
|| op.GetRandomNode().Type == left.Type
|| op.GetRandomNode().Type == Right.Type, "random node");
}
public void Operator_ConstructorInputsDivideWithZero_CreatesOperatorTreeBasedUponInputs()
{
var left = new Operand(OperandEnum.x);
var right = new Operand(OperandEnum.zero);
var op = new Operator(OperatorEnum.divide, left, right);
Assert.AreEqual(left.Type, op.Left.Type, "type of left");
Assert.AreEqual(right.Type, op.Right.Type, "type of right");
Assert.AreEqual("(x/0)", op.ToString(), "string");
Assert.AreEqual(double.MaxValue, op.Evalate(6), "evaluate");
Assert.AreEqual(true, op.DivideByZeroFlag, "divide by zero flage");
Assert.AreEqual(2, op.Size(), "height");
//Assert.AreEqual(4, op.GetRandomNode().Type);
Assert.AreEqual(true, (op.GetRandomNode().Type == op.Type
|| op.GetRandomNode().Type == left.Type
|| op.GetRandomNode().Type == right.Type), "random node");
}
public void Operator_Constructor_CreatesRandomTree()
{
var op = new Operator();
Assert.AreEqual(true, op.HasChildren(), "children");
Assert.AreEqual(false, op.HasParent(), "parent");
Assert.AreEqual(true, op.Type <= 3, "type <");
Assert.AreEqual(true, op.Type >= 0, "type >");
Assert.AreEqual(true, op.Size() >= Settings.MinTreeHeight, "min height");
Assert.AreEqual(true, op.Size() <= Settings.MaxTreeHeight, "max height");
}