public void Combines()
{
var source = new[]
{
new byte[] { 1, 2, 3, 4 },
new byte[] { 5, 6, 7, 8 },
new byte[] { 9, 10 },
};
var expected = new byte[] { 1, 2, 3, 4, 5, 6, 7, 8, 9, 10 };
var actual = LargeArray.Combine(source);
Assert.Equal(expected, actual);
}