System.Net.Http.Headers.RangeHeaderValue.Equals C# (CSharp) Метод

        public override bool Equals(object obj)
        {
            RangeHeaderValue other = obj as RangeHeaderValue;

            if (other == null)
            {
                return false;
            }

            return string.Equals(_unit, other._unit, StringComparison.OrdinalIgnoreCase) &&
                HeaderUtilities.AreEqualCollections(_ranges, other._ranges);
        }

        public void Equals_UseSameAndDifferentRanges_EqualOrNotEqualNoExceptions()
        {
            RangeHeaderValue range1 = new RangeHeaderValue(1, 2);
            RangeHeaderValue range2 = new RangeHeaderValue(1, 2);
            range2.Unit = "BYTES";
            RangeHeaderValue range3 = new RangeHeaderValue(1, null);
            RangeHeaderValue range4 = new RangeHeaderValue(null, 2);
            RangeHeaderValue range5 = new RangeHeaderValue();
            range5.Ranges.Add(new RangeItemHeaderValue(1, 2));
            range5.Ranges.Add(new RangeItemHeaderValue(3, 4));
            RangeHeaderValue range6 = new RangeHeaderValue();
            range6.Ranges.Add(new RangeItemHeaderValue(3, 4)); // reverse order of range5
            range6.Ranges.Add(new RangeItemHeaderValue(1, 2));
            RangeHeaderValue range7 = new RangeHeaderValue(1, 2);
            range7.Unit = "other";

            Assert.False(range1.Equals(null), "bytes=1-2 vs. <null>");
            Assert.True(range1.Equals(range2), "bytes=1-2 vs. BYTES=1-2");
            Assert.False(range1.Equals(range3), "bytes=1-2 vs. bytes=1-");
            Assert.False(range1.Equals(range4), "bytes=1-2 vs. bytes=-2");
            Assert.False(range1.Equals(range5), "bytes=1-2 vs. bytes=1-2,3-4");
            Assert.True(range5.Equals(range6), "bytes=1-2,3-4 vs. bytes=3-4,1-2");
            Assert.False(range1.Equals(range7), "bytes=1-2 vs. other=1-2");
        }