INotifyPropertyChanged Tests

[Grauenwolf]

    @{

        foreach (var property in Class.Properties.Where(p => !p.IsIndexer && p.CanRead && p.CanWrite && p.Type.HasCommonValues))
        { 

    
    <text>
    @Tag("INotifyPropertyChanged")
    @TestAttribute
    public void @(Test.ClassName + "_Property_" + property.Name + "_NotifyPropertyChanged_SelfAssign") ()
    {
        var objectUnderTest = CreateObject();
        var events = new List<PropertyChangedEventArgs>();
        ((INotifyPropertyChanged)objectUnderTest).PropertyChanged += (s, e) => events.Add(e);


		//Setting the value to the current value should always work and not raise any events
		var originalValue = [email protected];
		[email protected] = originalValue;
		@Assert.IsTrue("events.Count() == 0", "\"No change events should have been raised, the property's value didn't change.\"")
    }    
    </text>
        
        
    <text>
    @Tag("INotifyPropertyChanged")
    @TestAttribute
    public void @(Test.ClassName + "_Property_" + property.Name + "_NotifyPropertyChanged") ()
    {
        var objectUnderTest = CreateObject();
        var events = new List<PropertyChangedEventArgs>();
        ((INotifyPropertyChanged)objectUnderTest).PropertyChanged += (s, e) => events.Add(e);

        //perform a self-assignment to avoid duplicating the above test
		var originalValue = [email protected];
		[email protected] = originalValue;

    </text>



            foreach (var testValue in property.Type.CommonValues)
            { 
        <text>
        events.Clear();
        try
        {
            @property.Type.FullName expectedValue = @testValue;
            var valueChanged = !Object.Equals(expectedValue, [email protected]);
            [email protected] = expectedValue;
            
        	if (valueChanged)
				@Assert.IsTrue("events.Any(e => e.PropertyName == \"" + property.Name + "\")", "\"No property changed event was raised for \\\"" + property.Name + "\\\".\"")
			else
				@Assert.IsTrue("events.Count() == 0", "\"No change events should have been raised, the property's value didn't change.\"")

        }
        catch (ArgumentException)
        {
            //OK
            return;
        }
        </text>
            }

                       
    <text>
    }    
    </text>
        }

    }