83a6a6ea32
* 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
12 lines
431 B
JavaScript
12 lines
431 B
JavaScript
const {symmetricDifference} = require('./_30s.js');
|
|
|
|
test('symmetricDifference is a Function', () => {
|
|
expect(symmetricDifference).toBeInstanceOf(Function);
|
|
});
|
|
test('Returns the symmetric difference between two arrays.', () => {
|
|
expect(symmetricDifference([1, 2, 3], [1, 2, 4])).toEqual([3, 4]);
|
|
});
|
|
test('Returns duplicates from one array', () => {
|
|
expect(symmetricDifference([1, 2, 2], [1, 3, 1])).toEqual([2, 2, 3]);
|
|
});
|