nested.js•1.15 kB
'use strict';
var test = require('tape');
var stringify = require('../');
test('nested', function (t) {
t.plan(1);
var obj = { c: 8, b: [{z:6,y:5,x:4},7], a: 3 };
t.equal(stringify(obj), '{"a":3,"b":[{"x":4,"y":5,"z":6},7],"c":8}');
});
test('cyclic (default)', function (t) {
t.plan(1);
var one = { a: 1 };
var two = { a: 2, one: one };
one.two = two;
try {
stringify(one);
} catch (ex) {
t.equal(ex.toString(), 'TypeError: Converting circular structure to JSON');
}
});
test('cyclic (specifically allowed)', function (t) {
t.plan(1);
var one = { a: 1 };
var two = { a: 2, one: one };
one.two = two;
t.equal(stringify(one, {cycles:true}), '{"a":1,"two":{"a":2,"one":"__cycle__"}}');
});
test('repeated non-cyclic value', function(t) {
t.plan(1);
var one = { x: 1 };
var two = { a: one, b: one };
t.equal(stringify(two), '{"a":{"x":1},"b":{"x":1}}');
});
test('acyclic but with reused obj-property pointers', function (t) {
t.plan(1);
var x = { a: 1 };
var y = { b: x, c: x };
t.equal(stringify(y), '{"b":{"a":1},"c":{"a":1}}');
});