import { Buffer } from "../buffer.ts";import randomFill, { randomFillSync } from "./randomFill.ts";import { assertEquals, assertNotEquals, assertThrows,} from "../../testing/asserts.ts";
const validateNonZero = (buf: Buffer) => { if (!buf.some((ch) => ch > 0)) throw new Error("Error");};
const validateZero = (buf: Buffer) => { buf.forEach((val) => assertEquals(val, 0));};
Deno.test("[node/crypto.randomFill]", () => { const buf = Buffer.alloc(10); const before = buf.toString("hex");
randomFill(buf, 5, 5, (_err, bufTwo) => { const after = bufTwo?.toString("hex"); assertEquals(before.slice(0, 10), after?.slice(0, 10)); });});
Deno.test("[node/crypto.randomFillSync]", () => { const buf = Buffer.alloc(10); const before = buf.toString("hex");
const after = randomFillSync(buf, 5, 5);
assertNotEquals(before, after);});
Deno.test("[node/crypto.randomFillSync] Complete fill, explicit size", () => { const buf = Buffer.alloc(10); randomFillSync(buf, undefined, 10); validateNonZero(buf);});
Deno.test("[randomFillSync] Complete fill", () => { const buf = Buffer.alloc(10); randomFillSync(buf); validateNonZero(buf);});
Deno.test("[node/crypto.randomFillSync] Fill beginning, explicit offset+size", () => { const buf = Buffer.alloc(10); randomFillSync(buf, 0, 5); validateNonZero(buf);
const untouched = buf.slice(5); assertEquals(untouched.length, 5); validateZero(untouched);});
Deno.test("[node/crypto.randomFillSync] Invalid offst/size", () => { assertThrows(() => randomFillSync(Buffer.alloc(10), 1, 10));});