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/* eslint-env mocha */
const RecursiveIterator = require('../src/RecursiveIterator')
const assert = require('assert')
describe('Do not iterate over objects if it keys.length === 0', function () {
let root = new Date()
let queue = []
let iterator = new RecursiveIterator(root)
for (let item = iterator.next(); !item.done; item = iterator.next()) {
let state = item.value
queue.push(state.parent)
queue.push(state.node)
queue.push(state.key)
queue.push(state.path)
queue.push(state.deep)
}
it('queue.length must be 0', function () {
assert.strictEqual(queue.length, 0)
})
})
describe('Iterate through array-like objects', function () {
// This is an array-like object
let rootOne = {
'0': 1,
'length': 1
}
let queueOne = []
let iteratorOne = new RecursiveIterator(rootOne)
for (let itemOne = iteratorOne.next(); !itemOne.done; itemOne = iteratorOne.next()) {
let stateOne = itemOne.value
queueOne.push(stateOne)
}
it('queue.length must be 1', function () {
assert.strictEqual(queueOne.length, 1)
})
// This is not array-like object
let rootTwo = {
'width': 0,
'height': 0,
'length': 0
}
let queueTwo = []
let iteratorTwo = new RecursiveIterator(rootTwo)
for (let itemTwo = iteratorTwo.next(); !itemTwo.done; itemTwo = iteratorTwo.next()) {
let stateTwo = itemTwo.value
queueTwo.push(stateTwo)
}
it('queue.length must be 3', function () {
assert.strictEqual(queueTwo.length, 3)
})
})