* 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
369 B
JavaScript
12 lines
369 B
JavaScript
const {indexOfAll} = require('./_30s.js');
|
|
|
|
test('indexOfAll is a Function', () => {
|
|
expect(indexOfAll).toBeInstanceOf(Function);
|
|
});
|
|
test('Returns all indices of val in an array', () => {
|
|
expect(indexOfAll([1, 2, 3, 1, 2, 3], 1)).toEqual([0, 3]);
|
|
});
|
|
test('When val is not found, return an empty array', () => {
|
|
expect(indexOfAll([1, 2, 3], 4)).toEqual([]);
|
|
});
|