packages/util/src/is/bigInt.spec.ts
// Copyright 2017-2024 @polkadot/util authors & contributors
// SPDX-License-Identifier: Apache-2.0
/// <reference types="@polkadot/dev-test/globals.d.ts" />
import { isBigInt } from './index.js';
describe('isBigInt', (): void => {
it('returns true with a ...n value', (): void => {
expect(
isBigInt(123456n)
).toEqual(true);
});
it('returns true with a BigInt(...) value', (): void => {
expect(
isBigInt(BigInt(123456))
).toEqual(true);
});
it('returns false on non-BigInt values', (): void => {
expect(
isBigInt(0)
).toEqual(false);
});
});