Google.Protobuf.CodedInputStream.ReadRawLittleEndian64 C# (CSharp) Method

        internal ulong ReadRawLittleEndian64()
        {
            ulong b1 = ReadRawByte();
            ulong b2 = ReadRawByte();
            ulong b3 = ReadRawByte();
            ulong b4 = ReadRawByte();
            ulong b5 = ReadRawByte();
            ulong b6 = ReadRawByte();
            ulong b7 = ReadRawByte();
            ulong b8 = ReadRawByte();
            return b1 | (b2 << 8) | (b3 << 16) | (b4 << 24)
                   | (b5 << 32) | (b6 << 40) | (b7 << 48) | (b8 << 56);
        }

        /// <summary>
        /// Parses the given bytes using ReadRawLittleEndian64() and checks
        /// that the result matches the given value.
        /// </summary>
        private static void AssertReadLittleEndian64(byte[] data, ulong value)
        {
            CodedInputStream input = new CodedInputStream(data);

            Assert.AreEqual(value, input.ReadRawLittleEndian64());
            Assert.IsTrue(input.IsAtEnd);

            AssertReadFromParseContext(new ReadOnlySequence <byte>(data), (ref ParseContext ctx) =>
            {
                Assert.AreEqual(value, ctx.ReadFixed64());
            }, true);

            // Try different block sizes.
            for (int blockSize = 1; blockSize <= 16; blockSize *= 2)
            {
                input = new CodedInputStream(
                    new SmallBlockInputStream(data, blockSize));
                Assert.AreEqual(value, input.ReadRawLittleEndian64());
                Assert.IsTrue(input.IsAtEnd);

                AssertReadFromParseContext(ReadOnlySequenceFactory.CreateWithContent(data, blockSize), (ref ParseContext ctx) =>
                {
                    Assert.AreEqual(value, ctx.ReadFixed64());
                }, true);
            }
        }