{
  "#": [
    "JSON doesn't allow hexadecimal literals.",
    "All numbers are given as decimal literals instead.",
    "It is highly recommended that your track's test generator display all numbers as hexadecimal literals."
  ],
  "encode": {
    "description": ["Encode a series of integers, producing a series of bytes."],
    "cases": [
      {
        "description": "zero",
        "input": [0],
        "expected": [0]
      },
      {
        "description": "arbitrary single byte",
        "input": [64],
        "expected": [64]
      },
      {
        "description": "largest single byte",
        "input": [127],
        "expected": [127]
      },
      {
        "description": "smallest double byte",
        "input": [128],
        "expected": [129, 0]
      },
      {
        "description": "arbitrary double byte",
        "input": [8192],
        "expected": [192, 0]
      },
      {
        "description": "largest double byte",
        "input": [16383],
        "expected": [255, 127]
      },
      {
        "description": "smallest triple byte",
        "input": [16384],
        "expected": [129, 128, 0]
      },
      {
        "description": "arbitrary triple byte",
        "input": [1048576],
        "expected": [192, 128, 0]
      },
      {
        "description": "largest triple byte",
        "input": [2097151],
        "expected": [255, 255, 127]
      },
      {
        "description": "smallest quadruple byte",
        "input": [2097152],
        "expected": [129, 128, 128, 0]
      },
      {
        "description": "arbitrary quadruple byte",
        "input": [134217728],
        "expected": [192, 128, 128, 0]
      },
      {
        "description": "largest quadruple byte",
        "input": [268435455],
        "expected": [255, 255, 255, 127]
      },
      {
        "description": "smallest quintuple byte",
        "input": [268435456],
        "expected": [129, 128, 128, 128, 0]
      },
      {
        "description": "arbitrary quintuple byte",
        "input": [4278190080],
        "expected": [143, 248, 128, 128, 0]
      },
      {
        "description": "maximum 32-bit integer input",
        "input": [4294967295],
        "expected": [143, 255, 255, 255, 127]
      },
      {
        "description": "two single-byte values",
        "input": [64, 127],
        "expected": [64, 127]
      },
      {
        "description": "two multi-byte values",
        "input": [16384, 1193046],
        "expected": [129, 128, 0, 200, 232, 86]
      },
      {
        "description": "many multi-byte values",
        "input": [8192, 1193046, 268435455, 0, 16383, 16384],
        "expected": [192, 0, 200, 232, 86, 255, 255, 255, 127, 0, 255, 127, 129, 128, 0]
      }
    ]
  },
  "decode": {
    "description": ["Decode a series of bytes, producing a series of integers."],
    "cases": [
      {
        "description": "one byte",
        "input": [127],
        "expected": [127]
      },
      {
        "description": "two bytes",
        "input": [192, 0],
        "expected": [8192]
      },
      {
        "description": "three bytes",
        "input": [255, 255, 127],
        "expected": [2097151]
      },
      {
        "description": "four bytes",
        "input": [129, 128, 128, 0],
        "expected": [2097152]
      },
      {
        "description": "maximum 32-bit integer",
        "input": [143, 255, 255, 255, 127],
        "expected": [4294967295]
      },
      {
        "description": "incomplete sequence causes error",
        "input": [255],
        "expected": null
      },
      {
        "description": "incomplete sequence causes error, even if value is zero",
        "input": [128],
        "expected": null
      },
      {
        "description": "multiple values",
        "input": [192, 0, 200, 232, 86, 255, 255, 255, 127, 0, 255, 127, 129, 128, 0],
        "expected": [8192, 1193046, 268435455, 0, 16383, 16384]
      }
    ]
  }
}