it('Verify isEmptyObject()', () => {
expect(isEmptyObject({})).toBe(true);
expect(isEmptyObject({ 1: 1, 2: 2 })).toBe(false);
- expect(isEmptyObject(undefined)).toBe(false);
- expect(isEmptyObject(null)).toBe(false);
expect(isEmptyObject(new Map())).toBe(false);
expect(isEmptyObject(new Set())).toBe(false);
expect(isEmptyObject(new WeakMap())).toBe(false);