public void CalculatorViewModel_InValidOperationTest() { ViewModels.CalculatorViewModel vm = new ViewModels.CalculatorViewModel(); //try -7 + 42 = 35 vm.DigitButtonPress("7"); vm.DigitButtonPress("+/-"); vm.OperationButtonPress("@"); vm.DigitButtonPress("4"); vm.DigitButtonPress("2"); Assert.AreEqual(vm.FirstOperand, "-7"); Assert.AreEqual(vm.Display, "42"); try { //perform operation vm.OperationButtonPress("="); } catch (Exception ex) { Assert.IsTrue(ex.GetType() == typeof(ArgumentException)); } Assert.AreEqual(vm.Operation, "@"); Assert.AreEqual(vm.SecondOperand, "42"); Assert.AreEqual(vm.Display, "Unknown operation: @"); }
public void CalculatorViewModel_ValidOperationTestThenClear() { ViewModels.CalculatorViewModel vm = new ViewModels.CalculatorViewModel(); //try -7 + 42 = 35 vm.DigitButtonPress("7"); vm.DigitButtonPress("+/-"); vm.OperationButtonPress("+"); vm.DigitButtonPress("4"); vm.DigitButtonPress("2"); Assert.AreEqual(vm.FirstOperand, "-7"); Assert.AreEqual(vm.Display, "42"); //perform operation vm.OperationButtonPress("="); Assert.AreEqual(vm.Operation, "+"); Assert.AreEqual(vm.SecondOperand, "42"); Assert.AreEqual(vm.Display, "35"); Assert.AreEqual(vm.FullExpression, "-7 + 42 = 35"); //ClearAll vm.DigitButtonPress("C"); Assert.AreEqual(vm.Display, "0"); Assert.AreEqual(vm.FirstOperand, string.Empty); Assert.AreEqual(vm.SecondOperand, string.Empty); Assert.AreEqual(vm.Operation, string.Empty); Assert.AreEqual(vm.LastOperation, string.Empty); Assert.AreEqual(vm.FullExpression, string.Empty); }
public void CalculatorViewModel_CompositeOperationTestThenClear() { ViewModels.CalculatorViewModel vm = new ViewModels.CalculatorViewModel(); //try -7 + 42 = 35 vm.DigitButtonPress("7"); vm.DigitButtonPress("+/-"); vm.OperationButtonPress("+"); vm.DigitButtonPress("4"); vm.DigitButtonPress("2"); Assert.AreEqual(vm.FirstOperand, "-7"); Assert.AreEqual(vm.Display, "42"); //perform operation vm.OperationButtonPress("+"); Assert.AreEqual(vm.Operation, "+"); Assert.AreEqual(vm.SecondOperand, "42"); Assert.AreEqual(vm.Display, "35"); Assert.AreEqual(vm.FullExpression, "-7 + 42 = 35"); vm.DigitButtonPress("1"); vm.DigitButtonPress("0"); //perform operation vm.OperationButtonPress("="); Assert.AreEqual(vm.Display, "45"); Assert.AreEqual(vm.FullExpression, "35 + 10 = 45"); //perform tan(45) vm.SingularOperationButtonPress("tan"); Assert.AreEqual(vm.Display, "1"); Assert.AreEqual(vm.FullExpression, "tan(45) = 1"); }
public void CalculatorViewModel_CompositeOperationTestThenClear() { ViewModels.CalculatorViewModel vm = new ViewModels.CalculatorViewModel(); //try -7 + 42 = 35 vm.DigitButtonPress("7"); vm.DigitButtonPress("+/-"); vm.OperationButtonPress("+"); vm.DigitButtonPress("4"); vm.DigitButtonPress("2"); Assert.AreEqual(vm.FirstOperand, "-7"); Assert.AreEqual(vm.Display, "42"); //perform operation vm.OperationButtonPress("+"); Assert.AreEqual(vm.Operation, "+"); Assert.AreEqual(vm.SecondOperand, "42"); Assert.AreEqual(vm.Display, "35"); Assert.AreEqual(vm.FullExpression, "-7 + 42 = 35"); vm.DigitButtonPress("1"); vm.DigitButtonPress("0"); //perform operation vm.OperationButtonPress("="); Assert.AreEqual(vm.Display, "45"); Assert.AreEqual(vm.FullExpression, "35 + 10 = 45"); //perform tan(45) vm.SingularOperationButtonPress("tan"); Assert.AreEqual(vm.Display, "1"); Assert.AreEqual(vm.FullExpression, "tan(45) = 1"); }
public void CalculatorViewModel_ValidOperationTestThenClear() { ViewModels.CalculatorViewModel vm = new ViewModels.CalculatorViewModel(); //try -7 + 42 = 35 vm.DigitButtonPress("7"); vm.DigitButtonPress("+/-"); vm.OperationButtonPress("+"); vm.DigitButtonPress("4"); vm.DigitButtonPress("2"); Assert.AreEqual(vm.FirstOperand, "-7"); Assert.AreEqual(vm.Display, "42"); //perform operation vm.OperationButtonPress("="); Assert.AreEqual(vm.Operation, "+"); Assert.AreEqual(vm.SecondOperand, "42"); Assert.AreEqual(vm.Display, "35"); Assert.AreEqual(vm.FullExpression, "-7 + 42 = 35"); //ClearAll vm.DigitButtonPress("C"); Assert.AreEqual(vm.Display, "0"); Assert.AreEqual(vm.FirstOperand, string.Empty); Assert.AreEqual(vm.SecondOperand, string.Empty); Assert.AreEqual(vm.Operation, string.Empty); Assert.AreEqual(vm.LastOperation, string.Empty); Assert.AreEqual(vm.FullExpression, string.Empty); }
public void CalculatorViewModel_InValidOperationTest() { ViewModels.CalculatorViewModel vm = new ViewModels.CalculatorViewModel(); //try -7 + 42 = 35 vm.DigitButtonPress("7"); vm.DigitButtonPress("+/-"); vm.OperationButtonPress("@"); vm.DigitButtonPress("4"); vm.DigitButtonPress("2"); Assert.AreEqual(vm.FirstOperand, "-7"); Assert.AreEqual(vm.Display, "42"); try { //perform operation vm.OperationButtonPress("="); } catch(Exception ex) { Assert.IsTrue(ex.GetType() == typeof(ArgumentException)); } Assert.AreEqual(vm.Operation, "@"); Assert.AreEqual(vm.SecondOperand, "42"); Assert.AreEqual(vm.Display, "Unknown operation: @"); }