public void OperationLongExpression()
{
var calculator = new Calculator.Models.CalculatorModel();
calculator.Process("4");
calculator.ProcessOperation("+");
calculator.Process("7");
calculator.ProcessOperation("-");
calculator.Process("8");
calculator.ProcessOperation("+");
calculator.Process("4");
calculator.ProcessOperation("/");
calculator.Process("2");
calculator.ProcessOperation("+");
calculator.Process("55");
calculator.ProcessOperation("+");
calculator.Process("4");
calculator.ProcessOperation("*");
calculator.Process("9");
calculator.ProcessOperation("+");
calculator.Process("53");
calculator.ProcessOperation("%");
calculator.Process("100");
calculator.ProcessOperation("=");
Assert.IsTrue(calculator.Display == "2");
}
public void OperationSqrt()
{
var calculator = new Calculator.Models.CalculatorModel();
calculator.Process("16");
calculator.ProcessOperation("sqrt");
Assert.IsTrue(calculator.Display == "4");
}
public void OperationPercent()
{
var calculator = new Calculator.Models.CalculatorModel();
calculator.Process("100");
calculator.ProcessOperation("%");
calculator.Process("50");
calculator.ProcessOperation("=");
Assert.IsTrue(calculator.Display == "50");
}
public void OperationDivide()
{
var calculator = new Calculator.Models.CalculatorModel();
calculator.Process("5");
calculator.ProcessOperation("/");
calculator.Process("1");
calculator.ProcessOperation("=");
Assert.IsTrue(calculator.Display == "5");
}
public void OperationMultiply()
{
var calculator = new Calculator.Models.CalculatorModel();
calculator.Process("5");
calculator.ProcessOperation("*");
calculator.Process("5");
calculator.ProcessOperation("=");
Assert.IsTrue(calculator.Display == "25");
}
public void OperationSubtract()
{
var calculator = new Calculator.Models.CalculatorModel();
calculator.Process("20");
calculator.ProcessOperation("-");
calculator.Process("11");
calculator.ProcessOperation("=");
Assert.IsTrue(calculator.Display == "9");
}
public void OperationAdd()
{
var calculator = new Calculator.Models.CalculatorModel();
calculator.Process("4");
calculator.ProcessOperation("+");
calculator.Process("5");
calculator.ProcessOperation("=");
Assert.IsTrue(calculator.Display == "9");
}
public void OperationErrorSqrt()
{
var calculator = new Calculator.Models.CalculatorModel();
try
{
calculator.Process("-1");
calculator.ProcessOperation("sqrt");
Assert.Fail();
}
catch
{
Assert.IsTrue(calculator.Display == "ERROR");
}
}
public void OperationMultipleExpressions()
{
var calculator = new Calculator.Models.CalculatorModel();
calculator.Process("2");
calculator.ProcessOperation("+");
calculator.Process("3");
calculator.ProcessOperation("=");
Assert.IsTrue(calculator.Display == "5");
calculator.Process("4");
calculator.ProcessOperation("-");
calculator.Process("5");
calculator.ProcessOperation("=");
Assert.IsTrue(calculator.Display == "-1");
}
public void OperationErrorDivide()
{
var calculator = new Calculator.Models.CalculatorModel();
try
{
calculator.Process("5");
calculator.ProcessOperation("/");
calculator.Process("0");
calculator.ProcessOperation("=");
Assert.Fail();
}
catch
{
Assert.IsTrue(calculator.Display == "ERROR");
}
}
