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
15 lines
462 B
JavaScript
15 lines
462 B
JavaScript
const {symmetricDifferenceWith} = require('./_30s.js');
|
|
|
|
test('symmetricDifferenceWith is a Function', () => {
|
|
expect(symmetricDifferenceWith).toBeInstanceOf(Function);
|
|
});
|
|
test('Returns the symmetric difference between two arrays, using a provided function as a comparator', () => {
|
|
expect(
|
|
symmetricDifferenceWith(
|
|
[1, 1.2, 1.5, 3, 0],
|
|
[1.9, 3, 0, 3.9],
|
|
(a, b) => Math.round(a) === Math.round(b)
|
|
)
|
|
).toEqual([1, 1.2, 3.9]);
|
|
});
|