cosmjs-util/packages/crypto/src/random.spec.ts

39 lines
799 B
TypeScript

import { isUint8Array } from "@cosmjs/utils";
import { Random } from "./random";
describe("Random", () => {
it("returns an Uint8Array", () => {
const data = Random.getBytes(5);
expect(isUint8Array(data)).toEqual(true);
});
it("creates random bytes", () => {
{
const bytes = Random.getBytes(0);
expect(bytes.length).toEqual(0);
}
{
const bytes = Random.getBytes(1);
expect(bytes.length).toEqual(1);
}
{
const bytes = Random.getBytes(32);
expect(bytes.length).toEqual(32);
}
{
const bytes = Random.getBytes(4096);
expect(bytes.length).toEqual(4096);
}
{
const bytes1 = Random.getBytes(32);
const bytes2 = Random.getBytes(32);
expect(bytes1).not.toEqual(bytes2);
}
});
});