1'use strict'; 2 3var test = require('tape'); 4var stringify = require('../'); 5 6test('nested', function (t) { 7 t.plan(1); 8 var obj = { c: 8, b: [{z:6,y:5,x:4},7], a: 3 }; 9 t.equal(stringify(obj), '{"a":3,"b":[{"x":4,"y":5,"z":6},7],"c":8}'); 10}); 11 12test('cyclic (default)', function (t) { 13 t.plan(1); 14 var one = { a: 1 }; 15 var two = { a: 2, one: one }; 16 one.two = two; 17 try { 18 stringify(one); 19 } catch (ex) { 20 t.equal(ex.toString(), 'TypeError: Converting circular structure to JSON'); 21 } 22}); 23 24test('cyclic (specifically allowed)', function (t) { 25 t.plan(1); 26 var one = { a: 1 }; 27 var two = { a: 2, one: one }; 28 one.two = two; 29 t.equal(stringify(one, {cycles:true}), '{"a":1,"two":{"a":2,"one":"__cycle__"}}'); 30}); 31 32test('repeated non-cyclic value', function(t) { 33 t.plan(1); 34 var one = { x: 1 }; 35 var two = { a: one, b: one }; 36 t.equal(stringify(two), '{"a":{"x":1},"b":{"x":1}}'); 37}); 38 39test('acyclic but with reused obj-property pointers', function (t) { 40 t.plan(1); 41 var x = { a: 1 }; 42 var y = { b: x, c: x }; 43 t.equal(stringify(y), '{"b":{"a":1},"c":{"a":1}}'); 44}); 45