26 lines
651 B
TypeScript
26 lines
651 B
TypeScript
// Copyright 2021 Signal Messenger, LLC
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// SPDX-License-Identifier: AGPL-3.0-only
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import { assert } from 'chai';
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import { isSorted } from '../../util/isSorted';
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describe('isSorted', () => {
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it('returns true for empty lists', () => {
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assert.isTrue(isSorted([]));
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});
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it('returns true for one-element lists', () => {
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assert.isTrue(isSorted([5]));
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});
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it('returns true for sorted lists', () => {
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assert.isTrue(isSorted([1, 2]));
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assert.isTrue(isSorted([1, 2, 2, 3]));
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});
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it('returns false for out-of-order lists', () => {
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assert.isFalse(isSorted([2, 1]));
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assert.isFalse(isSorted([1, 2, 2, 3, 0]));
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});
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});
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