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// Copyright 2018-2024 the Deno authors. All rights reserved. MIT license.
import {
assert,
assertEquals,
assertRejects,
assertThrows,
} from "@std/assert/mod.ts";
import { assertCallbackErrorUncaught } from "../_test_utils.ts";
import { pseudoRandomBytes, randomBytes } from "node:crypto";
const MAX_RANDOM_VALUES = 65536;
const MAX_SIZE = 4294967295;
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("node:crypto", import.meta.url);
await assertCallbackErrorUncaught({
prelude: `import { randomBytes } from ${JSON.stringify(importUrl)}`,
invocation: "randomBytes(0, ",
});
});
// https://github.com/denoland/deno/issues/21632
Deno.test("pseudoRandomBytes works", function () {
assertEquals(pseudoRandomBytes(0).length, 0, "len: " + 0);
assertEquals(pseudoRandomBytes(3).length, 3, "len: " + 3);
assertEquals(pseudoRandomBytes(30).length, 30, "len: " + 30);
assertEquals(pseudoRandomBytes(300).length, 300, "len: " + 300);
assertEquals(
pseudoRandomBytes(17 + MAX_RANDOM_VALUES).length,
17 + MAX_RANDOM_VALUES,
"len: " + 17 + MAX_RANDOM_VALUES,
);
assertEquals(
pseudoRandomBytes(MAX_RANDOM_VALUES * 100).length,
MAX_RANDOM_VALUES * 100,
"len: " + MAX_RANDOM_VALUES * 100,
);
assertThrows(() => pseudoRandomBytes(MAX_SIZE + 1));
assertThrows(() => pseudoRandomBytes(-1));
});
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