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// Copyright 2018-2024 the Deno authors. All rights reserved. MIT license.
import { assertEquals, assertThrows } from "../assert/mod.ts";import * as path from "../path/mod.ts";import { decode, encode } from "./mod.ts";
const moduleDir = path.dirname(path.fromFileUrl(import.meta.url));const testdataDir = path.resolve(moduleDir, "testdata");
Deno.test("encode() handles testdata", () => {  const one = JSON.parse(    Deno.readTextFileSync(path.join(testdataDir, "1.json")),  );  assertEquals(decode(encode(one)), one);
  const two = JSON.parse(    Deno.readTextFileSync(path.join(testdataDir, "2.json")),  );  assertEquals(decode(encode(two)), two);
  const three = JSON.parse(    Deno.readTextFileSync(path.join(testdataDir, "3.json")),  );  assertEquals(decode(encode(three)), three);
  const four = JSON.parse(    Deno.readTextFileSync(path.join(testdataDir, "4.json")),  );  assertEquals(decode(encode(four)), four);
  const five = JSON.parse(    Deno.readTextFileSync(path.join(testdataDir, "5.json")),  );  assertEquals(decode(encode(five)), five);});
Deno.test("encode() handles positive numbers", () => {  assertEquals(encode(1), Uint8Array.of(1));  assertEquals(decode(encode(1)), 1);
  assertEquals(encode(255), Uint8Array.of(0xcc, 255));  assertEquals(decode(encode(255)), 255);
  assertEquals(encode(2000), Uint8Array.of(0xcd, 7, 208));  assertEquals(decode(encode(2000)), 2000);
  assertEquals(encode(70000), Uint8Array.of(0xce, 0, 1, 17, 112));  assertEquals(decode(encode(70000)), 70000);
  assertEquals(    encode(20000000000),    Uint8Array.of(0xcb, 66, 18, 160, 95, 32, 0, 0, 0),  );  assertEquals(decode(encode(20000000000)), 20000000000);});
Deno.test("encode() handles negative numbers", () => {  assertEquals(encode(-1), Uint8Array.of(255));  assertEquals(decode(encode(-1)), -1);
  assertEquals(encode(-127), Uint8Array.of(0xd0, 129));  assertEquals(decode(encode(-127)), -127);
  assertEquals(encode(-1000), Uint8Array.of(0xd1, 252, 24));  assertEquals(decode(encode(-1000)), -1000);
  assertEquals(encode(-60000), Uint8Array.of(0xd2, 255, 255, 21, 160));  assertEquals(decode(encode(-60000)), -60000);
  assertEquals(    encode(-600000000000),    Uint8Array.of(0xcb, 194, 97, 118, 89, 46, 0, 0, 0),  );  assertEquals(decode(encode(-600000000000)), -600000000000);});
Deno.test("encode() handles floats", () => {  assertEquals(    encode(0.3),    Uint8Array.of(0xcb, 63, 211, 51, 51, 51, 51, 51, 51),  );  assertEquals(decode(encode(0.3)), 0.3);});
Deno.test("encode() handles bigints", () => {  assertEquals(encode(0n), Uint8Array.of(0xcf, 0, 0, 0, 0, 0, 0, 0, 0));  assertEquals(decode(encode(0n)), 0n);  assertEquals(    encode(-10n),    Uint8Array.of(0xd3, 255, 255, 255, 255, 255, 255, 255, 246),  );  assertEquals(decode(encode(-10n)), -10n);  assertEquals(encode(10n), Uint8Array.of(0xcf, 0, 0, 0, 0, 0, 0, 0, 10));  assertEquals(decode(encode(10n)), 10n);  assertEquals(    encode(9999999999999999999n),    Uint8Array.of(0xcf, 138, 199, 35, 4, 137, 231, 255, 255),  );  assertEquals(decode(encode(9999999999999999999n)), 9999999999999999999n);
  assertThrows(() => encode(99999999999999999999999n));  assertThrows(() => encode(-99999999999999999999999n));});
Deno.test("encode() handles strings", () => {  assertEquals(    encode("hello world"),    Uint8Array.of(171, 104, 101, 108, 108, 111, 32, 119, 111, 114, 108, 100),  );  assertEquals(decode(encode("hello world")), "hello world");
  const mediumString = "a".repeat(255);  assertEquals(    encode(mediumString),    Uint8Array.of(0xd9, 255, ...new Array(mediumString.length).fill(97)),  );  assertEquals(decode(encode(mediumString)), mediumString);
  const longString = "a".repeat(256);  assertEquals(    encode(longString),    Uint8Array.of(0xda, 1, 0, ...new Array(longString.length).fill(97)),  );  assertEquals(decode(encode(longString)), longString);
  const reallyLongString = "a".repeat(65536);  assertEquals(    encode(reallyLongString),    Uint8Array.of(      0xdb,      0,      1,      0,      0,      ...new Array(reallyLongString.length).fill(97),    ),  );  assertEquals(decode(encode(reallyLongString)), reallyLongString);});
Deno.test("encode() handles arrays", () => {  const arr0: never[] = [];  assertEquals(decode(encode(arr0)), arr0);
  const arr1 = [1, 2, 3, 4, 5, 6];  assertEquals(decode(encode(arr1)), arr1);
  const arr2 = new Array(256).fill(0);  assertEquals(decode(encode(arr2)), arr2);
  const nestedArr = [[1, 2, 3], [1, 2], 5];  assertEquals(decode(encode(nestedArr)), nestedArr);});
Deno.test("encode() handles maps", () => {  const map0 = {};  assertEquals(decode(encode(map0)), map0);
  const map1 = { "a": 0, "b": 2, "c": "three", "d": null };  assertEquals(decode(encode(map1)), map1);
  const nestedMap = { "a": -1, "b": 2, "c": "three", "d": null, "e": map1 };  assertEquals(decode(encode(nestedMap)), nestedMap);});
Deno.test("encode() handles huge array with 100k objects", () => {  const bigArray = [];  for (let i = 0; i < 100000; i++) {    bigArray.push({ a: { i: `${i}` }, i: i });  }  const bigObject = { a: bigArray };
  assertEquals(decode(encode(bigObject)), bigObject);});
Deno.test("encode() handles huge object with 100k properties", () => {  const bigObject = {};  for (let i = 0; i < 100000; i++) {    const _ = Object.defineProperty(bigObject, `prop_${i}`, {      value: i,      enumerable: true,    });  }  assertEquals(decode(encode(bigObject)), bigObject);});