public void Test_SettingToFalse_ShouldUnsubscribe()
{
// Arrange.
string text = "this is some text";
textBox.Text = text;
var behavior = new AutoSelectOnFocusBehavior();
behavior.Attach(textBox);
behavior.Detach();
// Act.
textBox.RaiseGotFocus();
// Assert.
Assert.Equal(0, textBox.SelectionLength);
Assert.Equal(string.Empty, textBox.SelectedText);
}
public void Test_GotKeyboardFocus_ShouldAutoSelect()
{
// Arrange.
string text = "this is some text";
textBox.Text = text;
var behavior = new AutoSelectOnFocusBehavior();
behavior.Attach(textBox);
// Preconditions.
Assert.Equal(0, textBox.SelectionLength);
Assert.Equal(string.Empty, textBox.SelectedText);
// Act.
textBox.RaiseGotFocus();
// Assert.
Assert.Equal(text.Length, textBox.SelectionLength);
Assert.Equal(text, textBox.SelectedText);
}
