public void Demo_AddNewBracket()
{
var mockBraketOpen = new Mock <IExpressionBracket>();
mockBraketOpen.Setup(el => el.Type).Returns(Calculator.Const.ExpressionElementTypes.Bracket);
mockBraketOpen.Setup(el => el.Priority).Returns(Calculator.Const.OperationPriority.Zero);
mockBraketOpen.Setup(el => el.BracketSign).Returns(Calculator.Const.BracketSign.Open);
mockBraketOpen.Setup(el => el.GetHashCode()).Returns(1);
mockBraketOpen.Setup(el => el.GetHashCode()).Returns(1);
mockBraketOpen.Setup(el => el.Equals(It.IsAny <IExpressionBracket>())).Returns(true);
var mockBraketClose = new Mock <IExpressionBracket>();
mockBraketClose.Setup(el => el.Type).Returns(Calculator.Const.ExpressionElementTypes.Bracket);
mockBraketClose.Setup(el => el.Priority).Returns(Calculator.Const.OperationPriority.Infinity);
mockBraketClose.Setup(el => el.GetHashCode()).Returns(1);
mockBraketClose.Setup(el => el.BracketSign).Returns(Calculator.Const.BracketSign.Close);
mockBraketClose.Setup(el => el.Equals(It.IsAny <IExpressionBracket>())).Returns(true);
var mockDetector = new Mock <IElementDetector>();
mockDetector.Setup(detector => detector.GetElement("[")).Returns(mockBraketOpen.Object);
mockDetector.Setup(detector => detector.GetElement("]")).Returns(mockBraketClose.Object);
var calc = new NumericCalculator();
calc.Resolver.AddDetector(mockDetector.Object);
Assert.AreEqual(calc.Calculate("[1 + 1] * 2"), 4);
}
public void Demo_AddNewOperandType()
{
var mockOperand = new Mock <IExpressionOperand <double> >();
mockOperand.Setup(el => el.Type).Returns(Calculator.Const.ExpressionElementTypes.Operand);
mockOperand.Setup(el => el.Value).Returns(3.1415);
var mockDetector = new Mock <IElementDetector>();
mockDetector.Setup(detector => detector.GetElement("Pi")).Returns(mockOperand.Object);
var calc = new NumericCalculator();
calc.Resolver.AddDetector(mockDetector.Object);
Assert.AreEqual(calc.Calculate("2 * Pi"), 6.283);
}
public void Demo_AddNewFunction()
{
var mockOperator = new Mock <IExpressionOperator <double> >();
mockOperator.Setup(el => el.Type).Returns(Calculator.Const.ExpressionElementTypes.Operator);
mockOperator.Setup(el => el.Priority).Returns(Calculator.Const.OperationPriority.Highest);
mockOperator.Setup(el => el.OperationType).Returns(Calculator.Const.OperationType.Unary);
mockOperator.Setup(el => el.Calculate(0, 8)).Returns(1);
var mockDetector = new Mock <IElementDetector>();
mockDetector.Setup(detector => detector.GetElement("test")).Returns(mockOperator.Object);
var calc = new NumericCalculator();
calc.Resolver.AddDetector(mockDetector.Object);
Assert.AreEqual(calc.Calculate("1 + test(8)"), 2);
}