tests for 0-escaping

gistfile1.lua

function test_encoding_two_zeroes()
    -- this should be {0, 2, 0}, not {0, 0, 0, 0}, to keep
    -- encoding from filling up with too many escapes. 
    local ints = {0, 0}
    local res = rle.encode(ints)
    local expected = {0, 2, 0}

    for i=1,#expected do
        assert_equal(expected[i], res[i])
    end
end

function test_encoding_000122()
    -- previously, the 1 after the 0s was dropped.
    local ints = {0, 0, 0, 1, 2, 2}
    local res = rle.encode(ints)
    local expected = {0, 3, 0, 1, 2, 2}

    for i=1,#expected do
        assert_equal(expected[i], res[i])
    end
end