randomness/lib/test/utils.js

Randomness tests

"use strict";
var __importDefault = (this && this.__importDefault) || function (mod) {
    return (mod && mod.__esModule) ? mod : { "default": mod };
};
Object.defineProperty(exports, "__esModule", { value: true });
exports.round = exports.getData = void 0;
const fs_1 = __importDefault(require("fs"));
const path_1 = __importDefault(require("path"));
const fromString = (str) => str.split('').map((piece) => (piece === one ? 1 : 0));
const one = '1';
const cache = {};
const getData = (filename) => {
    if (cache[filename])
        return cache[filename];
    const buf = fs_1.default.readFileSync(path_1.default.join(__dirname, '../../resources/data', filename));
    if (path_1.default.extname(filename) === '.bin') {
        let str = '';
        for (let index = 0; index < buf.length; index++) {
            str += buf[index].toString(2).padStart(8, '0');
        }
        const bits = fromString(str);
        cache[filename] = bits;
        return bits;
    }
    else if (path_1.default.extname(filename) === '.txt') {
        const bits = fromString(buf.toString('utf-8').trim());
        cache[filename] = bits;
        return bits;
    }
    throw new Error('Unsupported extension');
};
exports.getData = getData;
const round = (n, precision = 6) => Number(n.toFixed(precision));
exports.round = round;
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