'use strict'

var Buffer = require('buffer').Buffer

exports.test = function (key) {
  return function test (impl) {
    try {
      impl.cmp(key, 0)
      return true
    } catch (err) {
      return false
    }
  }
}

// Detect binary key support (IndexedDB Second Edition)
exports.bufferKeys = exports.test(Buffer.alloc(0))