11 lines
348 B
JavaScript
11 lines
348 B
JavaScript
const expect = require('expect');
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const sortedIndexBy = require('./sortedIndexBy.js');
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test('sortedIndexBy is a Function', () => {
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expect(sortedIndexBy).toBeInstanceOf(Function);
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});
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t.equal(sortedIndexBy([{ x: 4 }, { x: 5 }], { x: 4 }, o => o.x), 0, 'Returns the lowest index to insert the element without messing up the list order');
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