33 lines
774 B
TypeScript
33 lines
774 B
TypeScript
// Copyright 2017-2023 @polkadot/util authors & contributors
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// SPDX-License-Identifier: Apache-2.0
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/// <reference types="@polkadot/dev-test/globals.d.ts" />
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import { BN, bnMax } from './index.js';
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describe('bnMax', (): void => {
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it('finds BN maximum (sorted)', (): void => {
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expect(
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bnMax(new BN(1), new BN(2), new BN(3))
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).toEqual(new BN(3));
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});
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it('finds BN maximum (unsorted)', (): void => {
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expect(
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bnMax(new BN(2), new BN(3), new BN(1))
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).toEqual(new BN(3));
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});
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it('returns a single item', (): void => {
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expect(
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bnMax(new BN(1))
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).toEqual(new BN(1));
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});
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it('fails when no items are available', (): void => {
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expect(
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() => bnMax()
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).toThrow(/Must provide one or more arguments/);
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});
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});
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