public void Constructor_WithCanExecuteParameter_CanExecuteIsNotNull()
{
ObservableVariable <bool> canExecute = new ObservableVariable <bool>();
ObservableCommand command = new ObservableCommand(canExecute);
Assert.IsNotNull(command.CanExecute);
}
public void Constructor_WithCanExecuteParameter_CanExecuteValueIsTrue()
{
ObservableVariable <bool> canExecute = new ObservableVariable <bool>(true);
ObservableCommand command = new ObservableCommand(canExecute);
Assert.IsTrue(command.CanExecute.Value);
}
public IEnumerator Subscribe_WhenSubscription_NoCallbackIsRaised()
{
ObservableVariable<int> variable = new ObservableVariable<int>();
variable.Changed += IncrementCallbackCount;
Assert.IsTrue(callbackCount == 0);
yield return null;
}
public IEnumerator Value_WhenSetTheSameValue_DontRaiseCallback()
{
ObservableVariable<int> variable = new ObservableVariable<int>();
variable.Value = 14;
Assert.IsTrue(variable.Value == 14);
yield return null;
}
public IEnumerator Value_WhenSetAValue_KeepsThatValue()
{
ObservableVariable<int> variable = new ObservableVariable<int>();
variable.Value = 14;
Assert.IsTrue(variable.Value == 14);
yield return null;
}
public IEnumerator Subscribe_WhenValueChange_OnlyOneCallCallbackIsRaised()
{
ObservableVariable<int> variable = new ObservableVariable<int>();
variable.Changed += IncrementCallbackCount;
variable.Value = 42;
Assert.IsTrue(callbackCount == 1);
yield return null;
}
public IEnumerator Subscribe_WhenValueChange_CallCallback()
{
ObservableVariable<int> variable = new ObservableVariable<int>();
variable.Changed += CopyIntVariable;
variable.Value = 14;
Assert.IsTrue(intMirrorVariable == 14);
yield return null;
}
public void Generic_Execute_WhenCanExecute_ParameterIsReceived()
{
ObservableVariable <bool> canExecute = new ObservableVariable <bool>(true);
ObservableCommand <int> command = new ObservableCommand <int>(canExecute);
int mirrorVariable = -1;
command.ExecuteRequested += (int value) => mirrorVariable = value;
command.Execute(14);
Assert.IsTrue(mirrorVariable == 14);
}
public void Execute_WhenCanNotExecute_DoNotRaiseEvent()
{
ObservableVariable <bool> canExecute = new ObservableVariable <bool>();
ObservableCommand command = new ObservableCommand(canExecute);
canExecute.Value = false;
int callbackCount = 0;
command.ExecuteRequested += () => callbackCount++;
command.Execute();
Assert.IsTrue(callbackCount == 0);
}
public void Generic_Execute_WhenCanNotExecute_DoNotRaiseEvent()
{
ObservableVariable <bool> canExecute = new ObservableVariable <bool>(true);
ObservableCommand <int> command = new ObservableCommand <int>(canExecute);
canExecute.Value = false;
int callbackCount = 0;
command.ExecuteRequested += (int value) => callbackCount++;
command.Execute(14);
Assert.IsTrue(callbackCount == 0);
}