local luaunit = require("luaunit")
local middleclass = require("middleclass")
local assertions = require("luatypechecks.assertions")
local Iterable = require("luaplot.iterable")

-- luacheck: globals TestIterable
TestIterable = {}

function TestIterable.test_ipairs_metamethod()
  local MockClass = middleclass("MockClass")
  MockClass:include(Iterable)
  MockClass.__index = function(_, index)
    assertions.is_number(index)

    return index