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"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.Fuzzer = void 0;
const crypto_1 = require("crypto");
function xoshiro128ss(a, b, c, d) {
return () => {
const t = b << 9;
let r = b * 5;
r = ((r << 7) | (r >>> 25)) * 9;
c ^= a;
d ^= b;
b ^= c;
a ^= d;
c ^= t;
d = (d << 11) | (d >>> 21);
return (r >>> 0) / 4294967296;
};
}
class Fuzzer {
static randomInt(min, max) {
return Math.floor(Math.random() * (max - min + 1)) + min;
}
static randomInt2([min, max]) {
return Math.floor(Math.random() * (max - min + 1)) + min;
}
static pick(elements) {
return elements[Math.floor(Math.random() * elements.length)];
}
static repeat(times, callback) {
const result = [];
for (let i = 0; i < times; i++)
result.push(callback());
return result;
}
constructor(seed) {
this.randomInt = (min, max) => {
return Math.floor(Math.random() * (max - min + 1)) + min;
};
this.pick = (elements) => {
return elements[Math.floor(Math.random() * elements.length)];
};
this.repeat = (times, callback) => {
const result = [];
for (let i = 0; i < times; i++)
result.push(callback());
return result;
};
this.seed = seed = seed || (0, crypto_1.randomBytes)(4 * 4);
let i = 0;
const a = (seed[i++] << 24) | (seed[i++] << 16) | (seed[i++] << 8) | seed[i++];
const b = (seed[i++] << 24) | (seed[i++] << 16) | (seed[i++] << 8) | seed[i++];
const c = (seed[i++] << 24) | (seed[i++] << 16) | (seed[i++] << 8) | seed[i++];
const d = (seed[i++] << 24) | (seed[i++] << 16) | (seed[i++] << 8) | seed[i++];
this.random = xoshiro128ss(a, b, c, d);
Math.random = this.random;
}
}
exports.Fuzzer = Fuzzer;
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