public void CommandBehaviorMonitorsCanExecuteChangedToUpdateEnabledWhenCanExecuteChangedIsRaised()
{
var page = new PhoneApplicationPage();
var bar = new ApplicationBar();
var button = new ApplicationBarIconButton(new Uri("/foo.png", UriKind.Relative));
button.Text = "Foo";
bar.Buttons.Add(button);
page.ApplicationBar = bar;
var command = new ApplicationBarButtonCommand();
command.ButtonText = "Foo";
var bindingSource = new MyCommandHolder();
var binding = new Binding("Command")
{
Source = bindingSource, Mode = BindingMode.OneWay
};
command.CommandBinding = binding;
Interaction.GetBehaviors(page).Add(command);
bindingSource.CanExecute = true;
var initialState = button.IsEnabled;
bindingSource.CanExecute = false;
var finalState = button.IsEnabled;
Assert.IsTrue(initialState);
Assert.IsFalse(finalState);
}
public void CommandBehaviorMonitorsCanExecuteChangedToUpdateEnabledWhenCanExecuteChangedIsRaised()
{
var page = new PhoneApplicationPage();
var bar = new ApplicationBar();
var button = new ApplicationBarIconButton(new Uri("/foo.png", UriKind.Relative));
button.Text = "Foo";
bar.Buttons.Add(button);
page.ApplicationBar = bar;
var command = new ApplicationBarButtonCommand();
command.ButtonText = "Foo";
var bindingSource = new MyCommandHolder();
command.CommandBinding = bindingSource.Command;
Interaction.GetBehaviors(page).Add(command);
bindingSource.CanExecute = true;
var initialState = button.IsEnabled;
bindingSource.CanExecute = false;
var finalState = button.IsEnabled;
Assert.IsTrue(initialState);
Assert.IsFalse(finalState);
}
public void CommandBehaviorMonitorsCanExecuteToSetEnabledWhenCanExecuteIsTrue()
{
var page = new PhoneApplicationPage();
var bar = new ApplicationBar();
var button = new ApplicationBarIconButton(new Uri("/foo.png", UriKind.Relative));
button.Text = "Foo";
bar.Buttons.Add(button);
page.ApplicationBar = bar;
var command = new ApplicationBarButtonCommand();
command.ButtonText = "Foo";
var bindingSource = new MyCommandHolder();
command.CommandBinding = bindingSource.Command;
Interaction.GetBehaviors(page).Add(command);
bindingSource.CanExecute = true;
Assert.IsTrue(button.IsEnabled);
}
public void CommandBehaviorMonitorsCanExecuteToSetEnabledWhenCanExecuteIsTrue()
{
var page = new PhoneApplicationPage();
var bar = new ApplicationBar();
var button = new ApplicationBarIconButton(new Uri("/foo.png", UriKind.Relative));
button.Text = "Foo";
bar.Buttons.Add(button);
page.ApplicationBar = bar;
var command = new ApplicationBarButtonCommand();
command.ButtonText = "Foo";
var bindingSource = new MyCommandHolder();
command.CommandBinding = bindingSource.Command;
Interaction.GetBehaviors(page).Add(command);
bindingSource.CanExecute = true;
Assert.IsTrue(button.IsEnabled);
}