1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
// Copyright 2018-2022 the Deno authors. All rights reserved. MIT license.import {  assert,  assertEquals,  assertRejects,  assertThrows,} from "../../../testing/asserts.ts";import { assertCallbackErrorUncaught } from "../../_test_utils.ts";import randomBytes, { MAX_RANDOM_VALUES, MAX_SIZE } from "./_randomBytes.ts";
Deno.test("randomBytes sync works correctly", function () {  assertEquals(randomBytes(0).length, 0, "len: " + 0);  assertEquals(randomBytes(3).length, 3, "len: " + 3);  assertEquals(randomBytes(30).length, 30, "len: " + 30);  assertEquals(randomBytes(300).length, 300, "len: " + 300);  assertEquals(    randomBytes(17 + MAX_RANDOM_VALUES).length,    17 + MAX_RANDOM_VALUES,    "len: " + 17 + MAX_RANDOM_VALUES,  );  assertEquals(    randomBytes(MAX_RANDOM_VALUES * 100).length,    MAX_RANDOM_VALUES * 100,    "len: " + MAX_RANDOM_VALUES * 100,  );  assertThrows(() => randomBytes(MAX_SIZE + 1));  assertThrows(() => randomBytes(-1));});
Deno.test("randomBytes async works correctly", async function () {  randomBytes(0, function (err, resp) {    assert(!err);    assertEquals(resp?.length, 0, "len: " + 0);  });  randomBytes(3, function (err, resp) {    assert(!err);    assertEquals(resp?.length, 3, "len: " + 3);  });  randomBytes(30, function (err, resp) {    assert(!err);    assertEquals(resp?.length, 30, "len: " + 30);  });  randomBytes(300, function (err, resp) {    assert(!err);    assertEquals(resp?.length, 300, "len: " + 300);  });  randomBytes(17 + MAX_RANDOM_VALUES, function (err, resp) {    assert(!err);    assertEquals(      resp?.length,      17 + MAX_RANDOM_VALUES,      "len: " + 17 + MAX_RANDOM_VALUES,    );  });  randomBytes(MAX_RANDOM_VALUES * 100, function (err, resp) {    assert(!err);    assertEquals(      resp?.length,      MAX_RANDOM_VALUES * 100,      "len: " + MAX_RANDOM_VALUES * 100,    );  });  assertThrows(() =>    randomBytes(MAX_SIZE + 1, function (err) {      //Shouldn't throw async      assert(!err);    })  );  await assertRejects(() =>    new Promise((resolve, reject) => {      randomBytes(-1, function (err, res) {        //Shouldn't throw async        if (err) {          reject(err);        } else {          resolve(res);        }      });    })  );});
Deno.test("[std/node/crypto] randomBytes callback isn't called twice if error is thrown", async () => {  const importUrl = new URL("./_randomBytes.ts", import.meta.url);  await assertCallbackErrorUncaught({    prelude: `import randomBytes from ${JSON.stringify(importUrl)}`,    invocation: "randomBytes(0, ",  });});