Swap-Aggregator-Subgraph/node_modules/is-circular/test/is-circular.test.js
Richa-iitr d211083153 Revert "Revert "added handler""
This reverts commit c36ee8c5ca.
2022-07-03 07:30:05 +05:30

52 lines
1.1 KiB
JavaScript

/* eslint-env jest */
var isCircular = require('../')
describe('is-circular', function () {
it('should error if passed a non-object', function (done) {
expect(isCircular.bind(null, 2)).toThrow(/object/)
done()
})
it('should return true for circular objects', function (done) {
var x = {}
x.cyclic = { a: 1, x: x }
expect(isCircular(x)).toEqual(true)
done()
})
it('should return true for circular objects', function (done) {
var x = {}
x.cyclic = { a: {}, x: x }
expect(isCircular(x)).toEqual(true)
done()
})
it('should return true for circular objects', function (done) {
var x = {}
x.cyclic = { a: {}, indirect: { x: x } }
expect(isCircular(x)).toEqual(true)
done()
})
it('should return false for non-circular objects', function (done) {
var x = {}
x.cyclic = { a: 1, b: 2 }
expect(isCircular(x)).toEqual(false)
done()
})
it('should return false for non-circular objects', function (done) {
var x = {}
var y = {}
x.cyclic = { a: y, b: y }
expect(isCircular(x)).toEqual(false)
done()
})
})