10 lines
362 B
JavaScript
10 lines
362 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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test('Returns the lowest index to insert the element without messing up the list order', () => {
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expect(sortedIndexBy([{ x: 4 }, { x: 5 }], { x: 4 }, o => o.x)).toBe(0);
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});
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