33 lines
782 B
TypeScript
33 lines
782 B
TypeScript
import deepFreeze from 'deep-freeze';
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import { describe, expect, it } from 'vitest'
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import { concat } from '../concat';
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import { getSparseArrayLength } from './helpers';
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describe( 'concat', () => {
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const em = { type: 'em' };
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it( 'should merge records', () => {
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const one = {
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formats: [ , , [ em ] ],
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replacements: [ , , , ],
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text: 'one',
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};
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const two = {
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formats: [ [ em ], , , ],
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replacements: [ , , , ],
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text: 'two',
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};
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const three = {
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formats: [ , , [ em ], [ em ], , , ],
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replacements: [ , , , , , , ],
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text: 'onetwo',
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};
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const merged = concat( deepFreeze( one ), deepFreeze( two ) );
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expect( merged ).not.toBe( one );
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expect( merged ).toEqual( three );
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expect( getSparseArrayLength( merged.formats ) ).toBe( 2 );
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} );
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} );
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