* 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
19 lines
448 B
JavaScript
19 lines
448 B
JavaScript
const {permutations} = require('./_30s.js');
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test('permutations is a Function', () => {
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expect(permutations).toBeInstanceOf(Function);
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});
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test('Generates all permutations of an array', () => {
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expect(permutations([1, 33, 5])).toEqual([
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[1, 33, 5],
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[1, 5, 33],
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[33, 1, 5],
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[33, 5, 1],
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[5, 1, 33],
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[5, 33, 1]
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]);
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});
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test('Generates all permutations of an array', () => {
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expect(permutations([1])).toEqual([1]);
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});
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