public void CommandBindToExplicitEventWireupWithParameter()
{
var vm = new WinformCommandBindViewModel();
var view = new WinformCommandBindView {
ViewModel = vm
};
var fixture = new CommandBinderImplementation();
var invokeCount = 0;
vm.Command3.Subscribe(_ => ++ invokeCount);
var disp = CommandBinderImplementationMixins.BindCommand(fixture, vm, view, x => x.Command3, x => x.Command2, vm => vm.Parameter, "MouseUp");
view.Command2.RaiseMouseUpEvent(new MouseEventArgs(MouseButtons.Left, 1, 0, 0, 0));
Assert.Equal(10, vm.ParameterResult);
Assert.Equal(1, invokeCount);
vm.Parameter = 2;
view.Command2.RaiseMouseUpEvent(new MouseEventArgs(MouseButtons.Left, 1, 0, 0, 0));
Assert.Equal(20, vm.ParameterResult);
Assert.Equal(2, invokeCount);
disp.Dispose();
view.Command2.RaiseMouseUpEvent(new MouseEventArgs(MouseButtons.Left, 1, 0, 0, 0));
Assert.Equal(2, invokeCount);
}
public void CommandBindByNameWireupWithParameter()
{
var vm = new WinformCommandBindViewModel();
var view = new WinformCommandBindView {
ViewModel = vm
};
ICommandBinderImplementation fixture = new CommandBinderImplementation();
var invokeCount = 0;
vm.Command3.Subscribe(_ => ++ invokeCount);
var disp = CommandBinderImplementationMixins.BindCommand(fixture, vm, view, vm => vm.Command3, v => v.Command1, vm => vm.Parameter);
view.Command1.PerformClick();
Assert.Equal(1, invokeCount);
Assert.Equal(10, vm.ParameterResult);
// update the parameter to ensure its updated when the command is executed
vm.Parameter = 2;
view.Command1.PerformClick();
Assert.Equal(2, invokeCount);
Assert.Equal(20, vm.ParameterResult);
// break the Command3 subscription
var newCmd = ReactiveCommand.Create <int>(i => vm.ParameterResult = i * 2);
vm.Command3 = newCmd;
// ensure that the invoke count does not update and that the Command3 is now using the new math
view.Command1.PerformClick();
Assert.Equal(2, invokeCount);
Assert.Equal(4, vm.ParameterResult);
disp.Dispose();
}
