11 lines
369 B
JavaScript
11 lines
369 B
JavaScript
const expect = require('expect');
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const sortedLastIndexBy = require('./sortedLastIndexBy.js');
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test('sortedLastIndexBy is a Function', () => {
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expect(sortedLastIndexBy).toBeInstanceOf(Function);
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});
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t.equal(sortedLastIndexBy([{ x: 4 }, { x: 5 }], { x: 4 }, o => o.x), 1, 'Returns the highest index to insert the element without messing up the list order');
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