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); }
private void ClearButton_Click(object sender, RoutedEventArgs e) { ViewModels.CalculatorViewModel _viewModel = (this.DataContext as ViewModels.CalculatorViewModel); if (_viewModel.ClearCommand.CanExecute(null)) { _viewModel.ClearCommand.Execute(null); } }
public void CalculatorViewModel_ConstructorTest() { ViewModels.CalculatorViewModel vm = new ViewModels.CalculatorViewModel(); Assert.IsTrue(vm.GetType() == typeof(ViewModels.CalculatorViewModel)); 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_ConstructorTest() { ViewModels.CalculatorViewModel vm = new ViewModels.CalculatorViewModel(); Assert.IsTrue(vm.GetType() == typeof(ViewModels.CalculatorViewModel)); 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_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: @"); }
public CalculatorView() { InitializeComponent(); DataContext = new ViewModels.CalculatorViewModel(); }
public AddCommandClass(ViewModels.CalculatorViewModel viewModel) { this._viewModel = viewModel; }