* chore: make aware eslint that we use jest By setting up the jest environment, we no longer need to declare the 'test' global in the configuration. * chore: don't need to import expect, it's a jest environment global * chore: don't need to import expect when creating undefined test
15 lines
434 B
JavaScript
15 lines
434 B
JavaScript
const {drop} = require('./_30s.js');
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test('drop is a Function', () => {
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expect(drop).toBeInstanceOf(Function);
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});
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test('Works without the last argument', () => {
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expect(drop([1, 2, 3])).toEqual([2, 3]);
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});
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test('Removes appropriate element count as specified', () => {
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expect(drop([1, 2, 3], 2)).toEqual([3]);
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});
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test('Empties array given a count greater than length', () => {
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expect(drop([1, 2, 3], 42)).toEqual([]);
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});
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