public void AsyncCommand_ChangeCanExecute_Test()
{
// Arrange
var canCommandExecute = false;
var didCanExecuteChangeFire = false;
var command = new AsyncCommand(NoParameterTask, commandCanExecute);
command.CanExecuteChanged += handleCanExecuteChanged;
bool commandCanExecute(object parameter) => canCommandExecute;
Assert.False(command.CanExecute(null));
// Act
canCommandExecute = true;
// Assert
Assert.True(command.CanExecute(null));
Assert.False(didCanExecuteChangeFire);
// Act
#pragma warning disable CS0618 // Type or member is obsolete
command.ChangeCanExecute();
#pragma warning restore CS0618 // Type or member is obsolete
// Assert
Assert.True(didCanExecuteChangeFire);
Assert.True(command.CanExecute(null));
void handleCanExecuteChanged(object sender, EventArgs e) => didCanExecuteChangeFire = true;
}
