10 lines
330 B
JavaScript
10 lines
330 B
JavaScript
const expect = require('expect');
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const findLastIndex = require('./findLastIndex.js');
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test('findLastIndex is a Function', () => {
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expect(findLastIndex).toBeInstanceOf(Function);
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});
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test('Finds last index for which the given function returns true', () => {
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expect(findLastIndex([1, 2, 3, 4], n => n % 2 === 1)).toBe(2);
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});
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