public void TestCombinerPropertiesPresentBinding()
{
var realSourceStepFactory = this.SetupSourceStepFactory();
var sourceStepDescription = new MvxCombinerSourceStepDescription()
{
Combiner = new MvxAddValueCombiner(),
InnerSteps = new List <MvxSourceStepDescription>()
{
new MvxPathSourceStepDescription()
{
SourcePropertyPath = "DoubleProperty1",
},
new MvxPathSourceStepDescription()
{
SourcePropertyPath = "DoubleProperty2",
},
}
};
var source = new MySource()
{
DoubleProperty1 = 12.34,
DoubleProperty2 = 23.45
};
var sourceStep = realSourceStepFactory.Create(sourceStepDescription);
sourceStep.DataContext = source;
Assert.AreEqual(typeof(double), sourceStep.SourceType);
object value = sourceStep.GetValue();
Assert.AreEqual(35.79, value);
var changes = new List <object>();
sourceStep.Changed += (sender, args) =>
{
changes.Add(sourceStep.GetValue());
};
source.DoubleProperty1 = 11.11;
Assert.AreEqual(1, changes.Count);
Assert.AreEqual(34.56, changes[0]);
value = sourceStep.GetValue();
Assert.AreEqual(34.56, value);
source.DoubleProperty2 = 12.11;
Assert.AreEqual(2, changes.Count);
Assert.AreEqual(23.22, changes[1]);
value = sourceStep.GetValue();
Assert.AreEqual(23.22, value);
}
public void TestCombinerPropertiesMissingBinding_Part2()
{
var realSourceStepFactory = this.SetupSourceStepFactory();
var sourceStepDescription = new MvxCombinerSourceStepDescription()
{
Combiner = new MvxAddValueCombiner(),
InnerSteps = new List <MvxSourceStepDescription>()
{
new MvxPathSourceStepDescription()
{
SourcePropertyPath = "SubSource.SubProperty1",
FallbackValue = "It was missing"
},
new MvxPathSourceStepDescription()
{
SourcePropertyPath = "DoubleProperty1",
},
}
};
var source = new MySource()
{
DoubleProperty1 = 12.34,
};
var sourceStep = realSourceStepFactory.Create(sourceStepDescription);
sourceStep.DataContext = source;
Assert.AreEqual(typeof(object), sourceStep.SourceType);
object value = sourceStep.GetValue();
Assert.AreEqual("It was missing12.34", value);
var changes = new List <object>();
sourceStep.Changed += (sender, args) =>
{
changes.Add(sourceStep.GetValue());
};
source.DoubleProperty1 = 11.11;
Assert.AreEqual(1, changes.Count);
Assert.AreEqual("It was missing11.11", changes[0]);
value = sourceStep.GetValue();
Assert.AreEqual("It was missing11.11", value);
source.DoubleProperty1 = 12.11;
Assert.AreEqual(2, changes.Count);
Assert.AreEqual("It was missing12.11", changes[1]);
value = sourceStep.GetValue();
Assert.AreEqual("It was missing12.11", value);
source.SubSource = new MySubSource()
{
SubProperty1 = "Hello"
};
Assert.AreEqual(3, changes.Count);
Assert.AreEqual("Hello12.11", changes[2]);
value = sourceStep.GetValue();
Assert.AreEqual("Hello12.11", value);
}