public void PropertyGetAndSet()
{
// Test initial properties are surfaced in ViewModel
Address add = new Address { LineOne = "LineOne", LineTwo = "LineTwo", City = "City", State = "State", ZipCode = "ZipCode", Country = "Country" };
AddressViewModel vm = new AddressViewModel(add);
Assert.AreEqual(add, vm.Model, "Bound object property did not return object from model.");
Assert.AreEqual(add.ValidUsageValues, vm.ValidUsageValues, "ValidUsageValues property did not return value from model.");
Assert.AreEqual("LineOne", vm.LineOne, "LineOne property did not return value from model.");
Assert.AreEqual("LineTwo", vm.LineTwo, "LineTwo property did not return value from model.");
Assert.AreEqual("City", vm.City, "City property did not return value from model.");
Assert.AreEqual("State", vm.State, "State property did not return value from model.");
Assert.AreEqual("ZipCode", vm.ZipCode, "ZipCode property did not return value from model.");
Assert.AreEqual("Country", vm.Country, "Country property did not return value from model.");
// Test changing properties updates Model and raises PropertyChanged
string lastProperty;
vm.PropertyChanged += (sender, e) => { lastProperty = e.PropertyName; };
lastProperty = null;
vm.LineOne = "LineOne_NEW";
Assert.AreEqual("LineOne", lastProperty, "Setting LineOne property did not raise correct PropertyChanged event.");
Assert.AreEqual("LineOne_NEW", add.LineOne, "Setting LineOne property did not update model.");
lastProperty = null;
vm.LineTwo = "LineTwo_NEW";
Assert.AreEqual("LineTwo", lastProperty, "Setting LineTwo property did not raise correct PropertyChanged event.");
Assert.AreEqual("LineTwo_NEW", add.LineTwo, "Setting LineTwo property did not update model.");
lastProperty = null;
vm.City = "City_NEW";
Assert.AreEqual("City", lastProperty, "Setting City property did not raise correct PropertyChanged event.");
Assert.AreEqual("City_NEW", add.City, "Setting City property did not update model.");
lastProperty = null;
vm.State = "State_NEW";
Assert.AreEqual("State", lastProperty, "Setting State property did not raise correct PropertyChanged event.");
Assert.AreEqual("State_NEW", add.State, "Setting State property did not update model.");
lastProperty = null;
vm.ZipCode = "ZipCode_NEW";
Assert.AreEqual("ZipCode", lastProperty, "Setting ZipCode property did not raise correct PropertyChanged event.");
Assert.AreEqual("ZipCode_NEW", add.ZipCode, "Setting ZipCode property did not update model.");
lastProperty = null;
vm.Country = "Country_NEW";
Assert.AreEqual("Country", lastProperty, "Setting Country property did not raise correct PropertyChanged event.");
Assert.AreEqual("Country_NEW", add.Country, "Setting Country property did not update model.");
}
public void ModelChangesFlowToProperties()
{
// Test ViewModel returns current value from model
Address add = new Address { LineOne = "Address", LineTwo = "LineTwo", City = "City", State = "State", ZipCode = "ZipCode", Country = "Country" };
AddressViewModel vm = new AddressViewModel(add);
vm.LineOne = "LineOne_NEW";
Assert.AreEqual("LineOne_NEW", add.LineOne, "LineOne property is not fetching the value from the model.");
vm.LineTwo = "LineTwo_NEW";
Assert.AreEqual("LineTwo_NEW", add.LineTwo, "LineTwo property is not fetching the value from the model.");
vm.City = "City_NEW";
Assert.AreEqual("City_NEW", add.City, "City property is not fetching the value from the model.");
vm.State = "State_NEW";
Assert.AreEqual("State_NEW", add.State, "State property is not fetching the value from the model.");
vm.ZipCode = "ZipCode_NEW";
Assert.AreEqual("ZipCode_NEW", add.ZipCode, "ZipCode property is not fetching the value from the model.");
vm.Country = "Country_NEW";
Assert.AreEqual("Country_NEW", add.Country, "Country property is not fetching the value from the model.");
}
