> MAPS = {
>   :commify => [
>     [1, "1"],
>     [-1, "-1"],
>     [0.001, "0.001"],
>     [-0.001, "-0.001"],
>     [999, "999"],
>     [-999, "-999"],
>     [999.1, "999.1"],
>     [-999.1, "-999.1"],
>     [999.12, "999.12"],
>     [-999.12, "-999.12"],
>     [999.123, "999.123"],
>     [-999.123, "-999.123"],
>     [9999, "9,999"],
>     [-9999, "-9,999"],
>     [9999.1, "9,999.1"],
>     [-9999.1, "-9,999.1"],
>     [9999.12, "9,999.12"],
>     [-9999.12, "-9,999.12"],
>     [9999.123, "9,999.123"],
>     [-9999.123, "-9,999.123"],
>     [12, "12"],
>     [123, "123"],
>     [1234, "1,234"],
>     [12345, "12,345"],
>     [123456, "123,456"],
>     [1234567, "1,234,567"],
>     [12345678, "12,345,678"],
>     [-12, "-12"],
>     [-123, "-123"],
>     [-1234, "-1,234"],
>     [-12345, "-12,345"],
>     [-123456, "-123,456"],
>     [-1234567, "-1,234,567"],
>     [-12345678, "-12,345,678"]
>   ],
>
>   :flatten_once => [
>     [ [], [] ],
>     [ [1], [1] ],
>     [ [1,2], [1,2] ],
>     [ [1,[2]], [1,2] ],
>     [ [[1],2], [1,2] ],
>     [ [[1,2]], [1,2] ],
>     [ [1,2,3], [1,2,3] ],
>     [ [1,[2,3]], [1,2,3] ],
>     [ [[1,2,3]], [1,2,3] ],
>     [ [1, [2, [3]]], [1, 2, [3]] ],
>     [ [1, [[2], 3]], [1, [2], 3] ],
>     [ [1,[2,[3,[4]]]], [1, 2, [3,[4]]] ],
>     [ [[[[[[6]]]]]], [[[[[6]]]]] ]
>   ],
>
>   :wondrous => [
>     [1, [1]],
>     [3,[3,10,5,16,8,4,2,1]],
>     [5,[5,16,8,4,2,1]],
>     [8,[8,4,2,1]],
>     [15,[15,46,23,70,35,106,53,160,80,40,20,10,5,16,8,4,2,1]],
>     [31,
> [31,94,47,142,71,214,107,322,161,484,242,121,364,182,91,274,137,412,206,103,310,155,466,233,700,350,175,526,263,790,395,1186,593,1780,890,445,1336,668,334,167,502,251,754,377,1132,566,283,850,425,1276,638,319,958,479,1438,719,2158,1079,3238,1619,4858,2429,7288,3644,1822,911,2734,1367,4102,2051,6154,3077,9232,4616,2308,1154,577,1732,866,433,1300,650,325,976,488,244,122,61,184,92,46,23,70,35,106,53,160,80,40,20,10,5,16,8,4,2,1]]
>   ]
>
> }

  # Built-in classes for testing #4
  :class_from_string => [
    ["OpenSSL", OpenSSL ],
    ["OpenSSL::Digest", OpenSSL::Digest ],
    ["OpenSSL::Digest::DigestError", OpenSSL::Digest::DigestError ],
  ],