AcoustID.Tests.Chromaprint.CombinedBufferTest.TestReadAfterShift C# (CSharp) Method

        public void TestReadAfterShift()
        {
            short[] buffer1 = { 1, 2, 3, 4, 5 };
            short[] buffer2 = { 6, 7, 8 };
            short[] tmp = new short[10];

            CombinedBuffer buffer = new CombinedBuffer(buffer1, 5, buffer2, 3);

            // Offset 2
            buffer.Shift(2);

            int size = buffer.Read(tmp, 0, 4);
            Assert.AreEqual(2, buffer.Offset);
            Assert.AreEqual(4, size);

            for (int i = 0; i < size; i++)
            {
                Assert.AreEqual(3 + i, tmp[i]);
            }

            // Offset 4
            buffer.Shift(2);

            size = buffer.Read(tmp, 0, 4);
            Assert.AreEqual(4, buffer.Offset);
            Assert.AreEqual(4, size);

            for (int i = 0; i < size; i++)
            {
                Assert.AreEqual(5 + i, tmp[i]);
            }

            // Offset 6
            buffer.Shift(2);

            size = buffer.Read(tmp, 0, 4);
            Assert.AreEqual(6, buffer.Offset);
            Assert.AreEqual(2, size);

            for (int i = 0; i < size; i++)
            {
                Assert.AreEqual(7 + i, tmp[i]);
            }
        }
    }