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'use strict';
const common = require('../common');
if (!common.hasCrypto)
common.skip('missing crypto');
const { Buffer } = require('buffer');
const assert = require('assert');
const { crypto } = globalThis;
[
undefined, null, '', 1, {}, [],
new Float32Array(1),
new Float64Array(1),
new DataView(new ArrayBuffer(1)),
].forEach((i) => {
assert.throws(
() => crypto.getRandomValues(i),
{ name: 'TypeMismatchError', code: 17 },
);
});
{
const buf = new Uint8Array(0);
crypto.getRandomValues(buf);
}
const intTypedConstructors = [
Int8Array,
Int16Array,
Int32Array,
Uint8Array,
Uint16Array,
Uint32Array,
Uint8ClampedArray,
BigInt64Array,
BigUint64Array,
];
for (const ctor of intTypedConstructors) {
const buf = new ctor(10);
const before = Buffer.from(buf.buffer).toString('hex');
crypto.getRandomValues(buf);
const after = Buffer.from(buf.buffer).toString('hex');
assert.notStrictEqual(before, after);
}
{
const buf = Buffer.alloc(10);
const before = buf.toString('hex');
crypto.getRandomValues(buf);
const after = buf.toString('hex');
assert.notStrictEqual(before, after);
}
{
let kData;
try {
kData = Buffer.alloc(65536 + 1);
} catch {
// Ignore if error here.
}
if (kData !== undefined) {
assert.throws(
() => crypto.getRandomValues(kData),
{ name: 'QuotaExceededError', code: 22 },
);
}
}
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