public void WithInvalidFallback_Invoke_Success() { OneToOneMap <string> propertyMap = Map(t => t.Value); Assert.Same(propertyMap, propertyMap.WithInvalidFallback("abc")); FixedValueFallback fallback = Assert.IsType <FixedValueFallback>(propertyMap.Pipeline.InvalidFallback); Assert.Equal("abc", fallback.Value); }