public void WhenSourceValueChangedAndItIsAnEnumerableItShouldBePassedToTarget()
{
var expectedItems = new List <object> {
1, 2
};
var binding = new SetBinding(_targetAdapter, _sourceAdapter, _comparer);
_sourceAdapter.ValueChangedCallback(new List <object> {
1, 1, 2, 2
});
CollectionAssert.AreEquivalent(expectedItems, _targetAdapter.Items);
}
public void WhenSourceValueChangedAndIsNoValueThenTargetValueShouldNotBeChanged()
{
var sourceAdapter = new ValueAdapter();
var targetAdapter = new ValueAdapter();
var binding = new ValueBinding(targetAdapter, sourceAdapter);
sourceAdapter.ValueChangedCallback(SettingsConstants.NoValue);
Assert.IsFalse(targetAdapter.SetValueCalled);
}
public void WhenTargetValueChangesItShouldBePassedToSource()
{
var sourceAdapter = new ValueAdapter();
var targetAdapter = new ValueAdapter();
var binding = new ValueBinding(targetAdapter, sourceAdapter);
targetAdapter.ValueChangedCallback(5);
Assert.AreEqual(5, sourceAdapter.Value);
}
public void ShouldForwardConvertedValueFromSourceValueChangedCallback()
{
var sourceAdapter = new ValueAdapter();
var adapter = new ExceptionHandlingAdapter(sourceAdapter, IgnoreException);
object actualValue = null;
adapter.ValueChangedCallback = newValue => actualValue = newValue;
sourceAdapter.ValueChangedCallback(5);
Assert.AreEqual(5, actualValue);
}
public void ShouldForwardSourceValueChangedCallbackCalls()
{
var sourceAdapter = new ValueAdapter();
var adapter = new ExceptionHandlingAdapter(sourceAdapter, IgnoreException);
var callbackCalled = false;
adapter.ValueChangedCallback = newValue => callbackCalled = true;
sourceAdapter.ValueChangedCallback(5);
Assert.IsTrue(callbackCalled);
}
public void ShouldForwardSourceValueChangedCallbackCalls()
{
var converter = new ValueConverter();
var sourceAdapter = new ValueAdapter();
var adapter = new ConvertingAdapter(sourceAdapter, converter);
bool wasCalled = false;
adapter.ValueChangedCallback = _ => { wasCalled = true; };
sourceAdapter.ValueChangedCallback(null);
Assert.IsTrue(wasCalled);
}
public void ShouldForwardConvertedValueFromSourceValueChangedCallback()
{
var converter = new ValueConverter {
ReturnedSource = 5
};
var sourceAdapter = new ValueAdapter();
var adapter = new ConvertingAdapter(sourceAdapter, converter);
object actualValue = null;
adapter.ValueChangedCallback = value => { actualValue = value; };
sourceAdapter.ValueChangedCallback(1);
Assert.AreEqual(5, actualValue);
}