/// <summary>
/// Creates the property.
/// </summary>
/// <typeparam name="TValue">The type of the property.</typeparam>
/// <param name="originalValue">The original value.</param>
/// <returns></returns>
protected IValueViewModelProperty <TValue> CreateValueProperty <TValue>(TValue originalValue)
{
// initialize the property
var property = new ValueViewModelProperty <TValue>(originalValue, _observableValidationEngine);
RegisterViewModelProperty(property);
return(property);
}
public void NullSameAsEmptyForStrings()
{
// Prepare
var valueViewModelProperty = new ValueViewModelProperty <string>(null, new ObservableValidationEngine());
// Act
valueViewModelProperty.Value = String.Empty;
// Verify
Assert.IsFalse(valueViewModelProperty.HasChanged);
}
public void HasChangedIsSupported()
{
// Prepare
var valueViewModelProperty = new ValueViewModelProperty <int>(1, new ObservableValidationEngine());
// Act
valueViewModelProperty.Value = 2;
// Verify
Assert.IsTrue(valueViewModelProperty.HasChanged);
}
