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import assert from "assert";import util from "util";import {  encode,  decode,  encodeDateToTimeSpec,  decodeTimestampExtension,  decodeTimestampToTimeSpec,  encodeTimestampExtension,} from "../src";
const TIME = 1556636810389;
const SPECS = {  ZERO: new Date(0),  TIME_BEFORE_EPOCH_NS: new Date(-1),  TIME_BEFORE_EPOCH_SEC: new Date(-1000),  TIME_BEFORE_EPOCH_SEC_AND_NS: new Date(-1002),  TIMESTAMP32: new Date(Math.floor(TIME / 1000) * 1000),  TIMESTAMP64: new Date(TIME),  TIMESTAMP64_OVER_INT32: new Date(Date.UTC(2200, 0)), // cf. https://github.com/msgpack/msgpack-ruby/pull/172  TIMESTAMP96_SEC_OVER_UINT32: new Date(0x400000000 * 1000),  TIMESTAMP96_SEC_OVER_UINT32_WITH_NS: new Date(0x400000000 * 1000 + 2),
  REGRESSION_1: new Date(1556799054803),} as Record<string, Date>;
describe("codec: timestamp 32/64/96", () => {  context("encode / decode", () => {    for (const name of Object.keys(SPECS)) {      const value = SPECS[name]!;
      it(`encodes and decodes ${name} (${value.toISOString()})`, () => {        const encoded = encode(value);        assert.deepStrictEqual(decode(encoded), value, `encoded: ${util.inspect(Buffer.from(encoded))}`);      });    }  });
  context("encodeDateToTimeSpec", () => {    it("normalizes new Date(-1) to { sec: -1, nsec: 999000000 }", () => {      assert.deepStrictEqual(encodeDateToTimeSpec(new Date(-1)), { sec: -1, nsec: 999000000 });    });  });
  context("encodeDateToTimeSpec", () => {    it("decodes timestamp-ext binary to TimeSpec", () => {      const encoded = encodeTimestampExtension(new Date(42000))!;      assert.deepStrictEqual(decodeTimestampToTimeSpec(encoded), { sec: 42, nsec: 0 });    });  });
  context("decodeTimestampExtension", () => {    context("for broken data", () => {      it("throws errors", () => {        assert.throws(() => {          decodeTimestampExtension(Uint8Array.from([0]));        }, /unrecognized data size for timestamp/i);      });    });  });});