public void TestConstantNode()
{
ConstantNode constant1 = new ConstantNode(0.0);
ConstantNode constant2 = new ConstantNode(1.0000001);
ConstantNode constant3 = new ConstantNode(double.MaxValue);
ConstantNode constant4 = new ConstantNode(double.MinValue);
Assert.That(0, Is.EqualTo(constant1.Evaluate()), "Failed on constant1");
Assert.That(1.0000001, Is.EqualTo(constant2.Evaluate()), "Failed on constant2");
Assert.That(double.MaxValue, Is.EqualTo(constant3.Evaluate()), "Failed on constant3");
Assert.That(double.MinValue, Is.EqualTo(constant4.Evaluate()), "Failed on constant4");
}
public void EvaluateConstantNodeReturnsConstantValue(int value)
{
var node = new ConstantNode <int>(value);
Assert.That(node.Evaluate(1), Is.EqualTo(value));
}