10 lines
320 B
JavaScript
10 lines
320 B
JavaScript
const expect = require('expect');
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const {dropWhile} = require('./_30s.js');
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test('dropWhile is a Function', () => {
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expect(dropWhile).toBeInstanceOf(Function);
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});
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test('Removes elements in an array until the passed function returns true.', () => {
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expect(dropWhile([1, 2, 3, 4], n => n >= 3)).toEqual([3, 4]);
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});
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