nes-emu/cartridge/Cartridge.spec.js

A NES emulator

"use strict";

var _Cartridge = _interopRequireDefault(require("./Cartridge"));
var _fs = _interopRequireDefault(require("fs"));
function _interopRequireDefault(e) { return e && e.__esModule ? e : { default: e }; }
const should = require("chai").Should();
const ROM_FILE = "public/testroms/nestest.nes";
describe("Cartridge", () => {
  let bytes;
  beforeEach(() => {
    bytes = _fs.default.readFileSync(ROM_FILE);
  });
  it("can read the header", () => {
    new _Cartridge.default(bytes).header.should.eql({
      prgRomPages: 1,
      chrRomPages: 1,
      usesChrRam: false,
      mirroring: "HORIZONTAL",
      hasTrainerBeforeProgram: false,
      mapperId: 0
    });
  });
  it("can read the magic number", () => {
    new _Cartridge.default(bytes).magicNumber.should.equal("NES");
  });
});