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
367 B
JavaScript
12 lines
367 B
JavaScript
const {isPlainObject} = require('./_30s.js');
|
|
|
|
test('isPlainObject is a Function', () => {
|
|
expect(isPlainObject).toBeInstanceOf(Function);
|
|
});
|
|
test('Returns true for a plain object', () => {
|
|
expect(isPlainObject({ a: 1 })).toBeTruthy();
|
|
});
|
|
test('Returns false for a Map (example of non-plain object)', () => {
|
|
expect(isPlainObject(new Map())).toBeFalsy();
|
|
});
|