bitcoinjs-lib/test/fixtures/bufferutils.json

{
  "valid": [
    {
      "dec": 0,
      "hex": "0000000000000000"
    },
    {
      "dec": 1,
      "hex": "0100000000000000"
    },
    {
      "dec": 252,
      "hex": "fc00000000000000"
    },
    {
      "dec": 253,
      "hex": "fd00000000000000"
    },
    {
      "dec": 254,
      "hex": "fe00000000000000"
    },
    {
      "dec": 255,
      "hex": "ff00000000000000"
    },
    {
      "dec": 65534,
      "hex": "feff000000000000"
    },
    {
      "dec": 65535,
      "hex": "ffff000000000000"
    },
    {
      "dec": 65536,
      "hex": "0000010000000000"
    },
    {
      "dec": 65537,
      "hex": "0100010000000000"
    },
    {
      "dec": 4294967295,
      "hex": "ffffffff00000000"
    },
    {
      "dec": 4294967296,
      "hex": "0000000001000000"
    },
    {
      "dec": 4294967297,
      "hex": "0100000001000000"
    },
    {
      "dec": 9007199254740991,
      "hex": "ffffffffffff1f00"
    }
  ],
  "invalid": {
    "readUInt64LE": [
      {
        "description": "n === 2^53",
        "exception": "RangeError: value out of range",
        "hex": "0000000000002000",
        "dec": 9007199254740992
      },
      {
        "description": "n > 2^53",
        "exception": "RangeError: value out of range",
        "hex": "0100000000002000",
        "dec": 9007199254740993
      }
    ]
  }
}