public void InvokePropertyTestChangedTest()
{
var vm = new ViewModelMock().RegisterCounter();
((IViewModel)vm).OnPropertyChanged("Test");
vm.PropertyChanged += (s, a) => Assert.AreEqual("Test", a.PropertyName);
Assert.AreEqual(1, vm.PropertyChangedRaisedCount);
}
public void SetPropertyValueTest_EqualReference()
{
var vm = new ViewModelMock().RegisterCounter();
var obj = new object();
vm.SetPropertyValue(ref obj, obj, "PropertyName");
Assert.AreEqual(0, vm.PropertyChangedRaisedCount);
}
public void SetPropertyValueTest_Equal()
{
var vm = new ViewModelMock().RegisterCounter();
string oldValue = "String";
vm.SetPropertyValue(ref oldValue, "String", "PropertyName");
Assert.AreEqual(0, vm.PropertyChangedRaisedCount);
}
public void SetPropertyValueTest_ClearNull()
{
var vm = new ViewModelMock().RegisterCounter();
object?oldValue = null;
vm.SetPropertyValue(ref oldValue, new object(), "PropertyName");
Assert.AreEqual(1, vm.PropertyChangedRaisedCount);
}
public void SetPropertyValueTest()
{
var vm = new ViewModelMock().RegisterCounter();
int value = 13;
vm.SetPropertyValue(ref value, 0, "Test");
Assert.AreEqual(1, vm.PropertyChangedRaisedCount);
Assert.AreEqual(0, value);
}
public void InvokeEqualNotifier()
{
bool invoked = false;
var vm = new ViewModelMock();
vm.PropertyChanged += (s, a) => invoked = true;
vm.InvariantCaseString = "HalloWelt";
Assert.IsTrue(invoked);
invoked = false;
vm.InvariantCaseString = "hALLOwELT";
Assert.IsFalse(invoked);
}
public void OnPropertyChangedTest()
{
bool propertChangedWasRised = false;
var vm = new ViewModelMock();
vm.PropertyChanged += (s, a) =>
{
Assert.AreEqual("Test", a.PropertyName);
propertChangedWasRised = true;
};
vm.OnPropertyChanged("Test", "before", "after");
Assert.IsTrue(propertChangedWasRised);
}
public void DependsOnTest()
{
List <string> changedProperties = new List <string>();
var vm = new ViewModelMock();
vm.PropertyChanged += (s, a) => changedProperties.Add(a.PropertyName);
vm.Name = "Klaus";
Assert.IsTrue(changedProperties.Contains(nameof(vm.Name)));
Assert.IsTrue(changedProperties.Contains(nameof(vm.AgedName)));
changedProperties.Clear();
vm.Age = 35;
Assert.IsTrue(changedProperties.Contains(nameof(vm.Age)));
Assert.IsTrue(changedProperties.Contains(nameof(vm.AgedName)));
Assert.AreEqual("Klaus (35)", vm.AgedName);
}
public void CommandInvokeTest()
{
var commandMock = new Mock <ICommand>();
var vm = new ViewModelMock();
vm.Command = commandMock.Object;
vm.Command.CanExecuteChanged += (s, a) => Assert.Fail();
vm.Name = "anything";
vm.Command = new RelayCommand(() => { });
bool canExecuteChangedInvoked = false;
vm.Command.CanExecuteChanged += (s, a) => canExecuteChangedInvoked = true;
vm.Name = "NewName";
Assert.IsTrue(canExecuteChangedInvoked);
}
public void SetModelPropertyTest()
{
var vm = new ViewModelMock().RegisterCounter();
vm.model.FirstValue = 10;
Assert.AreEqual(10, vm.model.FirstValue);
Assert.AreEqual(0, vm.PropertyChangedRaisedCount);
vm.FirstValue = 13;
Assert.AreEqual(13, vm.model.FirstValue);
Assert.AreEqual(1, vm.PropertyChangedRaisedCount);
vm.model.FirstValue = 10;
vm.FirstValue = 10;
Assert.AreEqual(10, vm.model.FirstValue);
Assert.AreEqual(1, vm.PropertyChangedRaisedCount);
}
public void OnPropertyChanged_NoEventsTest()
{
var vm = new ViewModelMock();
vm.OnPropertyChanged("Test", "before", "after");
}
public void SetModelProperty_Fail()
{
var vm = new ViewModelMock();
vm.SecondValue = 10;
}
