public void SubModelDependency_Test()
{
int counter = 0;
var vm = new ExpressionViewModelMock();
vm.model.FirstValue = 0;
vm.model.PropertyChanged += (s, a) =>
{
if (a.PropertyName == nameof(vm.model.FirstValue))
{
counter++;
}
};
vm.PropertyChanged += (s, a) =>
{
if (a.PropertyName == nameof(vm.FirstValue))
{
counter++;
}
};
vm.model.FirstValue = 42;
Assert.AreEqual(2, counter);
}
public void Constructor_Test()
{
var vm = new ExpressionViewModelMock();
Assert.IsNotNull(vm);
var vm1 = new ExpressionViewModelMock(new EventCommand());
Assert.IsNotNull(vm1);
}
public void UpdatedCommandNotify_Test()
{
int counter = 0;
var vm = new ExpressionViewModelMock(new EventCommand());
vm.CommandCanExecute = false;
vm.model.FirstValue = 0;
vm.Command.CanExecuteChanged += (s, a) => counter++;
vm.CommandCanExecute = true;
vm.model.FirstValue = 42;
Assert.AreEqual(2, counter);
}
public void DirectDependencies_Test()
{
int counter = 0;
var vm = new ExpressionViewModelMock();
vm.Name = "Initial";
vm.Age = 0;
vm.PropertyChanged += (s, a) =>
{
if (a.PropertyName == nameof(vm.AgedName))
{
counter++;
}
};
vm.Name = "SomeName";
vm.Age = 42;
Assert.AreEqual(2, counter);
}