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import assert from "assert";import { setInt64, getInt64, getUint64, setUint64 } from "../src/utils/int";
const INT64SPECS = {  ZERO: 0,  ONE: 1,  MINUS_ONE: -1,  X_FF: 0xff,  MINUS_X_FF: -0xff,  INT32_MAX: 0x7fffffff,  INT32_MIN: -0x7fffffff - 1,  MAX_SAFE_INTEGER: Number.MAX_SAFE_INTEGER,  MIN_SAFE_INTEGER: Number.MIN_SAFE_INTEGER,} as Record<string, number>;
describe("codec: int64 / uint64", () => {  context("int 64", () => {    for (const name of Object.keys(INT64SPECS)) {      const value = INT64SPECS[name]!;
      it(`sets and gets ${value} (${value < 0 ? "-" : ""}0x${Math.abs(value).toString(16)})`, () => {        const b = new Uint8Array(8);        const view = new DataView(b.buffer);        setInt64(view, 0, value);        assert.deepStrictEqual(getInt64(view, 0), value);      });    }  });
  context("uint 64", () => {    it(`sets and gets 0`, () => {      const b = new Uint8Array(8);      const view = new DataView(b.buffer);      setUint64(view, 0, 0);      assert.deepStrictEqual(getUint64(view, 0), 0);    });
    it(`sets and gets MAX_SAFE_INTEGER`, () => {      const b = new Uint8Array(8);      const view = new DataView(b.buffer);      setUint64(view, 0, Number.MAX_SAFE_INTEGER);      assert.deepStrictEqual(getUint64(view, 0), Number.MAX_SAFE_INTEGER);    });  });});