public void OnlyHandlesEscape()
{
TextBox box;
KeyEventArgs args;
box = new TextBox {
Text = "test"
};
ClearOnEscape.SetEnabled(box, true);
args = SendKeyDown(box, Key.Return);
Assert.False(args.Handled);
Assert.Equal("test", box.Text);
}
public void DoesNotHandleEventWhenTextIsEmpty()
{
TextBox box;
KeyEventArgs args;
box = new TextBox {
Text = ""
};
ClearOnEscape.SetEnabled(box, true);
args = SendKeyDown(box, Key.Return);
Assert.False(args.Handled);
Assert.Equal("", box.Text);
}
public void ClearsTextAndHandledEventWhenTextIsNotEmpty()
{
TextBox box;
KeyEventArgs args;
box = new TextBox {
Text = "test"
};
ClearOnEscape.SetEnabled(box, true);
args = SendKeyDown(box, Key.Escape);
Assert.True(args.Handled);
Assert.Equal("", box.Text);
}
public void DoesNotHandleEventWhenPropertyIsDisabled()
{
TextBox box;
KeyEventArgs args;
box = new TextBox {
Text = "test"
};
// Enable the property first.
ClearOnEscape.SetEnabled(box, true);
// Now disable the property and send the key press.
ClearOnEscape.SetEnabled(box, false);
args = SendKeyDown(box, Key.Return);
Assert.False(args.Handled);
Assert.Equal("test", box.Text);
}