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 *     following disclaimer. 
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using NUnit.Framework;
using XenAdmin;

namespace XenAdminTests.StringExtensionsTests
{
    class TruncateStringTest : UnitTester_TestFixture
    {
        [Test]
        public void RunTest()
        {
            string s1 = "abcde";
            string s2 = "短𠀁𪛕";  // The first character is 2 bytes, but the other two are 4-byte characters (UTF-16 surrogate pairs).

            Assert.AreEqual("", s1.Truncate(0));
            Assert.AreEqual("a", s1.Truncate(1));
            Assert.AreEqual("ab", s1.Truncate(2));
            Assert.AreEqual("abc", s1.Truncate(3));
            Assert.AreEqual("abcd", s1.Truncate(4));
            Assert.AreEqual("abcde", s1.Truncate(5));

            Assert.AreEqual("", s2.Truncate(0));
            Assert.AreEqual("短", s2.Truncate(1));
            Assert.AreEqual("短", s2.Truncate(2));
            Assert.AreEqual("短𠀁", s2.Truncate(3));
            Assert.AreEqual("短𠀁", s2.Truncate(4));
            Assert.AreEqual("短𠀁𪛕", s2.Truncate(5));
        }
    }
}