'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, two: {} };
	var two = { a: 2, one: one };
	one.two = two;
	try {
		stringify(one);
	} catch (ex) {
		if (ex == null) { // eslint-disable-line eqeqeq
			t.fail('nullish exception');
		} else {
			t.equal(ex.toString(), 'TypeError: Converting circular structure to JSON');
		}
	}
});

test('cyclic (specifically allowed)', function (t) {
	t.plan(1);
	var one = { a: 1, two: {} };
	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}}');
});
