public void TestCallingExecuteWhenCanExecuteIsFalse()
{
var counter = 0;
var command = new RelayCommand(
(e) => counter++,
(e) => _canExecute);
command.Execute(null);
Assert.AreEqual(1, counter);
_canExecute = false;
command.Execute(null);
Assert.AreEqual(1, counter);
_canExecute = true;
command.Execute(null);
Assert.AreEqual(2, counter);
}
public void TestCallingExecuteWhenCanExecuteIsFalse()
{
var result = string.Empty;
const string value1 = "Hello";
const string value2 = "World";
var command = new RelayCommand<string>(
s => result = s,
s => _canExecute);
command.Execute(value1);
Assert.AreEqual(value1, result);
_canExecute = false;
command.Execute(value2);
Assert.AreEqual(value1, result);
_canExecute = true;
command.Execute(value2);
Assert.AreEqual(value2, result);
}
public void ExecuteTest()
{
var dummy = "Not executed";
const string executed = "Executed";
const string parameter = "Parameter";
var command = new RelayCommand<string>(p =>
{
dummy = executed + p;
});
command.Execute(parameter);
Assert.AreEqual(executed + parameter, dummy);
}
public void TestExecute()
{
var dummy = "Not executed";
const string executed = "Executed";
var command = new RelayCommand((e) =>
{
dummy = executed;
});
command.Execute(null);
Assert.AreEqual(executed, dummy);
}