using Elwig.Helpers;
using System.Windows.Controls;

namespace Tests {
    [TestFixture]
    [Apartment(ApartmentState.STA)]
    public class HelpersValidatorTest {

        private static TextBox CreateTextBox(string value, int caret = 0) {
            return new() {
                Text = value,
                CaretIndex = caret,
            };
        }

        [Test]
        public void Test_CheckInteger_Simple() {
            Assert.Multiple(() => {
                Assert.That(Validator.CheckInteger(CreateTextBox(""), true).IsValid, Is.False);
                Assert.That(Validator.CheckInteger(CreateTextBox(""), false).IsValid, Is.True);
                Assert.That(Validator.CheckInteger(CreateTextBox("123"), true).IsValid, Is.True);
                Assert.That(Validator.CheckInteger(CreateTextBox("456"), false).IsValid, Is.True);
                Assert.That(Validator.CheckInteger(CreateTextBox("1234"), false, 4).IsValid, Is.True);
                Assert.That(Validator.CheckInteger(CreateTextBox("4567"), false, 3).IsValid, Is.True);
            });
        }
    }
}