public void Test_RunLengthEncodeDCValues()
{
// generate random array
int[,] input = ArrayHelper.GetTwoDimensionalArrayOfLength(16);
// do the zick zack
List <int[]> output = ZickZack.ZickZackSortChannel(input);
// Action
var actual = Coefficients.EncodeDCValueDifferences(output);
DCEncode[] dcStructs = { new DCEncode(0, -1),
new DCEncode(4, 8),
new DCEncode(7, 120),
new DCEncode(4, 8) };
List <DCEncode> expected = new List <DCEncode>(dcStructs);
// Assertion
actual.Should().BeEquivalentTo(expected);
}