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// Copyright 2018-2023 the Deno authors. All rights reserved. MIT license.import { assert, assertEquals } from "../testing/asserts.ts";import { Buffer } from "./buffer.ts";import { createHash, getHashes, randomUUID } from "./crypto.ts";import { Readable } from "./stream.ts";
Deno.test("[node/crypto.Hash] basic usage - buffer output", () => {  const d = createHash("sha1").update("abc").update("def").digest();  assertEquals(    d,    Buffer.from([      0x1f,      0x8a,      0xc1,      0xf,      0x23,      0xc5,      0xb5,      0xbc,      0x11,      0x67,      0xbd,      0xa8,      0x4b,      0x83,      0x3e,      0x5c,      0x5,      0x7a,      0x77,      0xd2,    ]),  );});
Deno.test("[node/crypto.Hash] basic usage - hex output", () => {  const d = createHash("sha1").update("abc").update("def").digest("hex");  assertEquals(d, "1f8ac10f23c5b5bc1167bda84b833e5c057a77d2");});
Deno.test("[node/crypto.Hash] basic usage - base64 output", () => {  const d = createHash("sha1").update("abc").update("def").digest("base64");  assertEquals(d, "H4rBDyPFtbwRZ72oS4M+XAV6d9I=");});
Deno.test("[node/crypto.Hash] basic usage - base64url output", () => {  const d = createHash("sha1").update("abc").update("def").digest("base64url");  assertEquals(d, "H4rBDyPFtbwRZ72oS4M-XAV6d9I");});
Deno.test("[node/crypto.Hash] streaming usage", async () => {  const source = Readable.from(["abc", "def"]);  const hash = createHash("sha1");  const dest = source.pipe(hash);  const result = await new Promise((resolve, _) => {    let buffer = Buffer.from([]);    dest.on("data", (data) => {      buffer = Buffer.concat([buffer, data]);    });    dest.on("end", () => {      resolve(buffer);    });  });  assertEquals(    result,    Buffer.from([      0x1f,      0x8a,      0xc1,      0xf,      0x23,      0xc5,      0xb5,      0xbc,      0x11,      0x67,      0xbd,      0xa8,      0x4b,      0x83,      0x3e,      0x5c,      0x5,      0x7a,      0x77,      0xd2,    ]),  );});
Deno.test("[node/crypto.getHashes]", () => {  for (const algorithm of getHashes()) {    const d = createHash(algorithm).update("abc").digest();    assert(d instanceof Buffer);    assert(d.length > 0);  }});
Deno.test("[node/crypto.getRandomUUID] works the same way as Web Crypto API", () => {  assertEquals(randomUUID().length, crypto.randomUUID().length);  assertEquals(typeof randomUUID(), typeof crypto.randomUUID());});