using System.Text;
using Developpez.Dotnet.Text;
using NUnit.Framework;

namespace Developpez.Dotnet.Tests.Text
{
    [TestFixture]
    public class EncodingExtensionsTests
    {
        [Test]
        public void Test_IsValid()
        {
            string s = "héhé ça marche";
            var bytes = Encoding.Default.GetBytes(s);
            Assert.IsFalse(Encoding.UTF8.IsValid(bytes));

            bytes = Encoding.UTF8.GetBytes(s);
            Assert.IsTrue(Encoding.UTF8.IsValid(bytes));
        }

        [Test]
        public void Test_TryGetString()
        {
            string expected = "héhé ça marche";
            var bytes = Encoding.Default.GetBytes(expected);
            string actual;
            Assert.IsFalse(Encoding.UTF8.TryGetString(bytes, out actual));
            Assert.IsNull(actual);

            bytes = Encoding.UTF8.GetBytes(expected);
            Assert.IsTrue(Encoding.UTF8.TryGetString(bytes, out actual));
            Assert.AreEqual(expected, actual);
        }
    }
}