public void TestComputeNodeWhenDivByZero()
{
var a = new NodeValue(4);
var b = new NodeValue(0);
var c = new NodeOperator(Operator.DIV, a, b);
c.Compute();
}
public void TestComputeNodeWhenDiv()
{
var a = new NodeValue(4);
var b = new NodeValue(2);
var c = new NodeOperator(Operator.DIV, a, b);
Assert.AreEqual(2, c.Compute());
}
public void TestComputeNodeWhenMult()
{
var a = new NodeValue(1);
var b = new NodeValue(1);
var c = new NodeOperator(Operator.MUL, a, b);
Assert.AreEqual(1, c.Compute());
}
public void TestComputeNodeWhenASub()
{
var a = new NodeValue(1);
var b = new NodeValue(1);
var c = new NodeOperator(Operator.SUB, a, b);
Assert.AreEqual(0, c.Compute());
}
public void TestComputeNodeWhenAdd()
{
var a = new NodeValue(1);
var b = new NodeValue(1);
var c = new NodeOperator(Operator.ADD, a, b);
Assert.AreEqual(2, c.Compute());
}
public void TestComputeNodeWhitThreeValue()
{
var a = new NodeValue(1);
var b = new NodeValue(1);
var c = new NodeValue(1);
var d = new NodeOperator(Operator.ADD, a, b);
var e = new NodeOperator(Operator.ADD, d, c);
Assert.AreEqual(3, e.Compute());
}
public void TestComputeNodeWithCalculPriority()
{
var a = new NodeValue(1);
var b = new NodeValue(2);
var c = new NodeValue(3);
var d = new NodeValue(4);
var e = new NodeOperator(Operator.MUL, b, c);
var f = new NodeOperator(Operator.SUB, a, d);
var g = new NodeOperator(Operator.ADD, e, f);
Assert.AreEqual(3, g.Compute());
}