'use strict'

var config = require('../lib/config')
var helper = require('../helper')
var assert = require('assert')
var redis = config.redis

describe('The \'zadd\' method', function () {
  helper.allTests(function (ip, args) {
    describe('using ' + ip, function () {
      var client

      beforeEach(function (done) {
        client = redis.createClient.apply(null, args)
        client.once('ready', function () {
          client.flushdb(done)
        })
      })

      it('reports an error', function (done) {
        if (helper.redisProcess().spawnFailed()) this.skip()
        client.zadd('infinity', [+'5t', 'should not be possible'], helper.isError(done))
      })

      it('return inf / -inf', function (done) {
        if (helper.redisProcess().spawnFailed()) this.skip()
        helper.serverVersionAtLeast.call(this, client, [3, 0, 2])
        client.zadd('infinity', [+Infinity, 'should be inf'], helper.isNumber(1))
        client.zadd('infinity', ['inf', 'should be also be inf'], helper.isNumber(1))
        client.zadd('infinity', -Infinity, 'should be negative inf', helper.isNumber(1))
        client.zadd('infinity', [99999999999999999999999, 'should not be inf'], helper.isNumber(1))
        client.zrange('infinity', 0, -1, 'WITHSCORES', function (err, res) {
          assert.strictEqual(err, null)
          assert.strictEqual(res[5], 'inf')
          assert.strictEqual(res[1], '-inf')
          assert.strictEqual(res[3], '9.9999999999999992e+22')
          done()
        })
      })

      afterEach(function () {
        client.end(true)
      })
    })
  })
})