System.Net.Http.Headers.ContentRangeHeaderValue.GetHashCode C# (CSharp) Метод

        public override int GetHashCode()
        {
            int result = StringComparer.OrdinalIgnoreCase.GetHashCode(_unit);

            if (HasRange)
            {
                result = result ^ _from.GetHashCode() ^ _to.GetHashCode();
            }

            if (HasLength)
            {
                result = result ^ _length.GetHashCode();
            }

            return result;
        }

        public void GetHashCode_UseSameAndDifferentRanges_SameOrDifferentHashCodes()
        {
            ContentRangeHeaderValue range1 = new ContentRangeHeaderValue(1, 2, 5);
            ContentRangeHeaderValue range2 = new ContentRangeHeaderValue(1, 2);
            ContentRangeHeaderValue range3 = new ContentRangeHeaderValue(5);
            ContentRangeHeaderValue range4 = new ContentRangeHeaderValue(1, 2, 5);
            range4.Unit = "BYTES";
            ContentRangeHeaderValue range5 = new ContentRangeHeaderValue(1, 2, 5);
            range5.Unit = "myunit";

            Assert.NotEqual(range1.GetHashCode(), range2.GetHashCode()); // "bytes 1-2/5 vs. bytes 1-2/*"
            Assert.NotEqual(range1.GetHashCode(), range3.GetHashCode()); // "bytes 1-2/5 vs. bytes */5"
            Assert.NotEqual(range2.GetHashCode(), range3.GetHashCode()); // "bytes 1-2/* vs. bytes */5"
            Assert.Equal(range1.GetHashCode(), range4.GetHashCode()); // "bytes 1-2/5 vs. BYTES 1-2/5"
            Assert.NotEqual(range1.GetHashCode(), range5.GetHashCode()); // "bytes 1-2/5 vs. myunit 1-2/5"
        }