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