Controlling Property Behavior Using Isolate.WhenCalled()

Because a property expands to 2 methods, a getter and a setter, an alternative way to control a property is to use Isolate.WhenCalled().

When to Use

When your test requires a fake property to return a specific value.

Syntax
C#

Isolate.WhenCalled(() => <property>).WillReturn(<value>);


VB

Isolate.WhenCalled(Function() <property>).WillReturn(<value>)

Samples

 To fake a set property, you need to place the statement into a block. 

C#

var fakeDependency = Isolate.Fake.Instance<Dependency>();
Isolate.WhenCalled(() => fakeDependency.Number).WillReturn(5);


VB

Dim fakeDependency = Isolate.Fake.Instance(Of Dependency)() 
Isolate.WhenCalled(Function() fakeDependency.Number()).WillReturn(5)