public void CanExecuteInterfaceTest()
{
var canExecuteCallbackCalled = false;
var onExecuteCallbackCalled = false;
IParameterCommand <int> cmd = new ParameterCommandType <int>()
{
CanExecuteCallback = i => { return(canExecuteCallbackCalled = true); },
OnExecuteCallback = i => onExecuteCallbackCalled = true,
};
cmd.CanExecute(0);
Assert.IsTrue(canExecuteCallbackCalled);
Assert.IsFalse(onExecuteCallbackCalled);
canExecuteCallbackCalled = false;
cmd.Execute(13);
Assert.IsTrue(canExecuteCallbackCalled);
Assert.IsTrue(onExecuteCallbackCalled);
canExecuteCallbackCalled = false;
onExecuteCallbackCalled = false;
}
public void CanExecuteTest()
{
var canExecuteCallbackCalled = false;
var onExecuteCallbackCalled = false;
ICommand cmd = new ParameterCommandType <int>
{
CanExecuteCallback = i => { return(canExecuteCallbackCalled = true); },
OnExecuteCallback = i => onExecuteCallbackCalled = true,
};
cmd.CanExecute(null);
Assert.IsTrue(canExecuteCallbackCalled);
Assert.IsFalse(onExecuteCallbackCalled);
canExecuteCallbackCalled = false;
cmd.Execute(null);
Assert.IsTrue(canExecuteCallbackCalled);
Assert.IsTrue(onExecuteCallbackCalled);
canExecuteCallbackCalled = false;
onExecuteCallbackCalled = false;
cmd.CanExecute(13);
Assert.IsTrue(canExecuteCallbackCalled);
Assert.IsFalse(onExecuteCallbackCalled);
canExecuteCallbackCalled = false;
cmd.Execute(13);
Assert.IsTrue(canExecuteCallbackCalled);
Assert.IsTrue(onExecuteCallbackCalled);
canExecuteCallbackCalled = false;
onExecuteCallbackCalled = false;
cmd = new ParameterCommandType <object>
{
CanExecuteCallback = i => { return(canExecuteCallbackCalled = true); },
OnExecuteCallback = i => onExecuteCallbackCalled = true,
AllowDefault = false,
};
cmd.CanExecute(null);
Assert.IsFalse(canExecuteCallbackCalled);
Assert.IsFalse(onExecuteCallbackCalled);
cmd.Execute(null);
Assert.IsFalse(canExecuteCallbackCalled);
Assert.IsFalse(onExecuteCallbackCalled);
}
public void CanExecuteInterfaceTest2()
{
var canExecuteCallbackCalled = false;
var onExecuteCallbackCalled = false;
IParameterCommand <string> cmd = new ParameterCommandType <string>()
{
CanExecuteCallback = i => { return(canExecuteCallbackCalled = true); },
OnExecuteCallback = i => onExecuteCallbackCalled = true,
};
cmd.CanExecute(null);
Assert.IsTrue(canExecuteCallbackCalled);
Assert.IsFalse(onExecuteCallbackCalled);
canExecuteCallbackCalled = false;
cmd.Execute(null);
Assert.IsTrue(canExecuteCallbackCalled);
Assert.IsTrue(onExecuteCallbackCalled);
canExecuteCallbackCalled = false;
onExecuteCallbackCalled = false;
cmd = new ParameterCommandType <string>
{
CanExecuteCallback = i => { return(canExecuteCallbackCalled = true); },
OnExecuteCallback = i => onExecuteCallbackCalled = true,
AllowDefault = false,
};
cmd.CanExecute(null);
Assert.IsFalse(canExecuteCallbackCalled);
Assert.IsFalse(onExecuteCallbackCalled);
cmd.Execute(null);
Assert.IsFalse(canExecuteCallbackCalled);
Assert.IsFalse(onExecuteCallbackCalled);
((ParameterCommand <string>)cmd).Execute(null);
Assert.IsFalse(canExecuteCallbackCalled);
Assert.IsFalse(onExecuteCallbackCalled);
}
public void ICommandInvokeCanExecuteChangedEvent_Test()
{
bool eventHandlerInvoked = false;
INotifyCommand cmd = new ParameterCommandType <string>();
EventHandler handler = (s, a) => eventHandlerInvoked = true;
cmd.NotifyCanExecuteChanged();
Assert.IsFalse(eventHandlerInvoked);
cmd.CanExecuteChanged += handler;
cmd.NotifyCanExecuteChanged();
Assert.IsTrue(eventHandlerInvoked);
}
