Function createRandomIdMap

tests/testHelper.js:419–439

(gen, clients, clockRange, attrChoices)

 * @return {Y.IdMap<T>}
 */
export const createRandomIdMap = (gen, clients, clockRange, attrChoices) => {
  const maxOpLen = 5
  const numOfOps = math.ceil((clients * clockRange) / maxOpLen)
  const idMap = createIdMap()
  for (let i = 0; i < numOfOps; i++) {
    const client = prng.uint32(gen, 0, clients - 1)
    const clockStart = prng.uint32(gen, 0, clockRange)
    const len = prng.uint32(gen, 0, clockRange - clockStart)
    const attrs = [prng.oneOf(gen, attrChoices)]
    // maybe add another attr
    if (prng.bool(gen)) {
      const a = prng.oneOf(gen, attrChoices)
      if (attrs.find(attr => attr === a) == null) {
        attrs.push(a)
      }
    }
    idMap.add(client, clockStart, len, attrs.map(v => Y.createContentAttribute('', v)))
  }
  t.info(`Created IdMap with ${numOfOps} ranges and ${attrChoices.length} different attributes. Encoded size: ${encodeIdMap(idMap).byteLength}`)
  return idMap
}

/**
 * 1. reconnect and flush all