//-------------------------------------------------------------------------------------------------------

// Copyright (C) Microsoft. All rights reserved.

// Licensed under the MIT license. See LICENSE.txt file in the project root for full license information.

//-------------------------------------------------------------------------------------------------------

var TEST = function(a, b) {

if (a != b) {

throw new Error(a + " != " + b);

}

}

var fnc = function(n) { this.number = n };

fnc.prototype.toJSON = function() {

return this.number.toString();

}

// test getter - no-enum

{

var obj = {};

Object.defineProperty(obj, "c", { get: () => 3, enumerable: false });

obj.a = 1;

obj.b = 2;

obj.d = 4;

TEST('{"a":1,"b":2,"d":4}', JSON.stringify(obj));

}

// test getter - no-enum - delete

{

var obj = {};

Object.defineProperty(obj, "c", { get: () => 3, enumerable: false, configurable: true });

obj.a = 1;

obj.b = 2;

delete obj['c']

TEST('{"a":1,"b":2}', JSON.stringify(obj));;

Object.defineProperty(obj, "c", { get: () => 3, enumerable: false });

obj.d = 4;

TEST('{"a":1,"b":2,"d":4}', JSON.stringify(obj));

}

// test getter - enum - delete 'em all

{

var obj = {};

Object.defineProperty(obj, "c", { get: () => 3, enumerable: true, configurable: true });

obj.a = 1;

obj.b = 2;

delete obj['c']

TEST('{"a":1,"b":2}', JSON.stringify(obj));;

Object.defineProperty(obj, "c", { get: () => 3, enumerable: true });

obj.d = 4;

TEST('{"c":3,"a":1,"b":2,"d":4}', JSON.stringify(obj));

obj[9]=19;

TEST('{"9":19,"c":3,"a":1,"b":2,"d":4}', JSON.stringify(obj));

delete obj[9]

TEST('{"c":3,"a":1,"b":2,"d":4}', JSON.stringify(obj));

delete obj['a']

TEST('{"c":3,"b":2,"d":4}', JSON.stringify(obj));

}

// test getter

{

var obj = {a:1, b:2};

Object.defineProperty(obj, "c", { get: () => 3, enumerable: true });

obj.d = 4;

TEST('{"a":1,"b":2,"c":3,"d":4}', JSON.stringify(obj));;

}

// test getter - setter

{

var obj = {a:1, b:2};

Object.defineProperty(obj, "c", { get: () => 3, enumerable: true }); // should print

Object.defineProperty(obj, "d", { set: () => 4, enumerable: true }); // skips undefined

obj.e = 5;

TEST('{"a":1,"b":2,"c":3,"e":5}', JSON.stringify(obj));

}

// test getter with revive

{

function rev(name, value) {

if (value == 3) {

return undefined;

}

else if (value == true) {

return 99;

}

return value;

}

var obj = {a:1, b:2};

Object.defineProperty(obj, "c", { get: () => 3, enumerable: true });

obj.d = 4;

TEST('{"a":99,"b":2,"d":4}', JSON.stringify( JSON.parse(JSON.stringify(obj), rev) ));

}

// test getter with revive && objectArray

{

function rev(name, value) {

if (value == 3) {

return undefined;

}

else if (value == true) {

return 99;

}

return value;

}

var obj = {a:1, b:2, q:3};

obj[9] = 9;

obj[44] = 44;

Object.defineProperty(obj, "c", { get: () => 7, enumerable: true });

obj.d = 4;

obj = JSON.parse(JSON.stringify(obj), rev);

TEST('{"9":9,"44":44,"a":99,"b":2,"c":7,"d":4}', JSON.stringify( obj ));

}

// test getter with revive && objectArray && no-enum

{

function rev(name, value) {

if (value == 9) {

return undefined;

}

else if (value == true) {

return 99;

}

return value;

}

var obj = {a:1, b:2};

obj[7] = 8;

obj[9] = 9;

obj[44] = 44;

Object.defineProperty(obj, "c", { get: () => 3, enumerable: false });

obj.d = 4;

obj = JSON.parse(JSON.stringify(obj), rev);

TEST('{"7":8,"44":44,"a":99,"b":2,"d":4}', JSON.stringify( obj ));

}

// test - hasObjectArray but no elements in it

{

var obj = {"a":1};

obj[0] = 2;

TEST(JSON.stringify(obj), '{"0":2,"a":1}');

delete obj[0];

TEST(JSON.stringify(obj), '{"a":1}');

}

// test internal properties

{

let obj = {foo: 1};

let wm = new WeakMap();

// Add internal WeakMapKeyMap property to obj

wm.set(obj,obj);

TEST('{"foo":1}', JSON.stringify(obj));

Object.defineProperty(obj, "getter", {get: function () { return 2}, enumerable: true, configurable: true});

TEST('{"foo":1,"getter":2}', JSON.stringify(obj));

const err = new Error("message");

TEST('{}', JSON.stringify(err));

}

// test - function prototype new instance

TEST("\"1\"", JSON.stringify(new fnc(1)))

// test - pre-post alter Date toJSON definition

var dateString = JSON.stringify(new Date(0));

TEST("1970", dateString.substr(dateString.indexOf("1970"), 4))

Date.prototype.toJSON = 1;

TEST("{}", JSON.stringify(new Date(0)))

delete Date.prototype.toJSON

TEST("{}", JSON.stringify(new Date(0)))

// test - use from Object prototype

Object.prototype.toJSON = function() { return 2; }

delete fnc.prototype.toJSON;

TEST(2, JSON.stringify(new fnc(1)))

// test - symbol

Object.prototype[Symbol("toJSON")] = function() { return 3; }

TEST(2, JSON.stringify(new fnc(1)))

console.log("PASS")