+ expect(randomFloat).toBeLessThanOrEqual(0);
+ });
+
+ it('Verify isObject()', () => {
+ expect(Utils.isObject('test')).toBe(false);
+ expect(Utils.isObject(undefined)).toBe(false);
+ expect(Utils.isObject(null)).toBe(false);
+ expect(Utils.isObject(0)).toBe(false);
+ expect(Utils.isObject([])).toBe(false);
+ expect(Utils.isObject([0, 1])).toBe(false);
+ expect(Utils.isObject(['0', '1'])).toBe(false);
+ expect(Utils.isObject({})).toBe(true);
+ expect(Utils.isObject({ 1: 1 })).toBe(true);
+ expect(Utils.isObject({ '1': '1' })).toBe(true);
+ expect(Utils.isObject(new Map())).toBe(true);
+ expect(Utils.isObject(new Set())).toBe(true);
+ expect(Utils.isObject(new WeakMap())).toBe(true);
+ expect(Utils.isObject(new WeakSet())).toBe(true);
+ });
+
+ it('Verify hasOwnProp()', () => {
+ expect(Utils.hasOwnProp('test', '')).toBe(false);
+ expect(Utils.hasOwnProp(undefined, '')).toBe(false);
+ expect(Utils.hasOwnProp(null, '')).toBe(false);
+ expect(Utils.hasOwnProp([], '')).toBe(false);
+ expect(Utils.hasOwnProp({}, '')).toBe(false);
+ expect(Utils.hasOwnProp({ 1: 1 }, 1)).toBe(true);
+ expect(Utils.hasOwnProp({ 1: 1 }, '1')).toBe(true);
+ expect(Utils.hasOwnProp({ 1: 1 }, 2)).toBe(false);
+ expect(Utils.hasOwnProp({ 1: 1 }, '2')).toBe(false);
+ expect(Utils.hasOwnProp({ '1': '1' }, '1')).toBe(true);
+ expect(Utils.hasOwnProp({ '1': '1' }, 1)).toBe(true);
+ expect(Utils.hasOwnProp({ '1': '1' }, '2')).toBe(false);
+ expect(Utils.hasOwnProp({ '1': '1' }, 2)).toBe(false);