public void ShouldChangeText_NullResponderAndOldText_ReturnsExpectedResult(UIResponder responder, string oldText)
{
var filter = new ForbiddenCharsFilter('%');
var result = filter.ShouldChangeText(responder, oldText, new NSRange(1, 1), "new");
Assert.True(result);
}
public async Task ShouldChangeText_UITextFieldForbiddenChars_ReturnsExpectedResult(
string forbiddenChars,
string oldText,
string newText,
bool expectedResult)
{
var result = await Helpers.RunOnUIThreadAsync(() =>
{
var textField = new UITextField();
var range = new NSRange(oldText.Length - 1, newText.Length);
var chars = forbiddenChars.ToCharArray();
var filter = new ForbiddenCharsFilter(chars);
return(filter.ShouldChangeText(textField, oldText, range, newText));
});
Assert.Equal(expectedResult, result);
}