public void Disposing_a_TwoWay_Binding_Should_Set_Default_Value_On_Binding_Target_But_Not_On_Source()
{
var target = new Class3();
// Create a source class which has a Value set to -1 and a Minimum set to -2
var source = new TestTwoWayBindingViewModel()
{
Value = -1, Minimum = -2
};
// Reset the setter counter
source.ResetSetterCalled();
// 1. bind the minimum
var disposable_1 = target.Bind(Class3.MinimumProperty, new Binding("Minimum", BindingMode.TwoWay)
{
Source = source
});
// 2. Bind the value
var disposable_2 = target.Bind(Class3.ValueProperty, new Binding("Value", BindingMode.TwoWay)
{
Source = source
});
// Dispose the minimum binding
disposable_1.Dispose();
// Dispose the value binding
disposable_2.Dispose();
// The value setter should be called here as we have disposed minimum fist and the default value of minimum is 0, so this should be changed.
Assert.True(source.ValueSetterCalled);
// The minimum value should not be changed in the source.
Assert.False(source.MinimumSetterCalled);
}
public void TwoWay_Binding_Should_Not_Call_Setter_On_Creation_Indexer_With_Value()
{
var target = new Class1();
var source = new TestTwoWayBindingViewModel()
{
[0] = 1
};
source.ResetSetterCalled();
target.Bind(Class1.DoubleValueProperty, new Binding("[0]", BindingMode.TwoWay)
{
Source = source
});
Assert.False(source.SetterCalled);
}