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