36 lines
1.2 KiB
TypeScript
36 lines
1.2 KiB
TypeScript
 
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import { test } from 'node:test';
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import assert from 'node:assert/strict';
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import { compareRoomsEqual } from './utils';
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// compareRoomsEqual(a, b): length mismatch short-circuits to false, otherwise an
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// order-sensitive element-by-element equality. The React hook in the same file
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// (useBindRoomsWithMembershipsAtom) is not covered.
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test('two empty arrays are equal', () => {
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assert.equal(compareRoomsEqual([], []), true);
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});
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test('identical arrays are equal', () => {
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assert.equal(compareRoomsEqual(['a', 'b', 'c'], ['a', 'b', 'c']), true);
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});
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test('different lengths are not equal', () => {
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assert.equal(compareRoomsEqual(['a', 'b'], ['a', 'b', 'c']), false);
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assert.equal(compareRoomsEqual(['a'], []), false);
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});
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test('same elements in a different order are not equal (order-sensitive)', () => {
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assert.equal(compareRoomsEqual(['a', 'b'], ['b', 'a']), false);
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});
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test('a single differing element makes them unequal', () => {
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assert.equal(compareRoomsEqual(['a', 'b', 'c'], ['a', 'x', 'c']), false);
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});
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test('reference equality is not required, only value equality', () => {
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const a = ['a', 'b'];
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const b = ['a', 'b'];
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assert.notEqual(a, b);
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assert.equal(compareRoomsEqual(a, b), true);
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});
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