+ expect(cloneObject(weakSet)).toStrictEqual({});
+ });
+
+ await it('Verify hasOwnProp()', () => {
+ expect(hasOwnProp('test', '')).toBe(false);
+ expect(hasOwnProp(undefined, '')).toBe(false);
+ expect(hasOwnProp(null, '')).toBe(false);
+ expect(hasOwnProp([], '')).toBe(false);
+ expect(hasOwnProp({}, '')).toBe(false);
+ expect(hasOwnProp({ 1: 1 }, 1)).toBe(true);
+ expect(hasOwnProp({ 1: 1 }, '1')).toBe(true);
+ expect(hasOwnProp({ 1: 1 }, 2)).toBe(false);
+ expect(hasOwnProp({ 1: 1 }, '2')).toBe(false);
+ expect(hasOwnProp({ '1': '1' }, '1')).toBe(true);
+ expect(hasOwnProp({ '1': '1' }, 1)).toBe(true);
+ expect(hasOwnProp({ '1': '1' }, '2')).toBe(false);
+ expect(hasOwnProp({ '1': '1' }, 2)).toBe(false);
+ });
+
+ await it('Verify isIterable()', () => {
+ expect(isIterable('')).toBe(true);
+ expect(isIterable(' ')).toBe(true);
+ expect(isIterable('test')).toBe(true);
+ expect(isIterable(undefined)).toBe(false);
+ expect(isIterable(null)).toBe(false);
+ expect(isIterable(0)).toBe(false);
+ expect(isIterable([0, 1])).toBe(true);
+ expect(isIterable({ 1: 1 })).toBe(false);
+ expect(isIterable(new Map())).toBe(true);
+ expect(isIterable(new Set())).toBe(true);
+ expect(isIterable(new WeakMap())).toBe(false);
+ expect(isIterable(new WeakSet())).toBe(false);
+ });
+
+ await it('Verify isEmptyString()', () => {
+ expect(isEmptyString('')).toBe(true);
+ expect(isEmptyString(' ')).toBe(true);
+ expect(isEmptyString(' ')).toBe(true);
+ expect(isEmptyString('test')).toBe(false);
+ expect(isEmptyString(' test')).toBe(false);
+ expect(isEmptyString('test ')).toBe(false);
+ expect(isEmptyString(undefined)).toBe(true);
+ expect(isEmptyString(null)).toBe(true);
+ expect(isEmptyString(0)).toBe(false);
+ expect(isEmptyString({})).toBe(false);
+ expect(isEmptyString([])).toBe(false);
+ expect(isEmptyString(new Map())).toBe(false);
+ expect(isEmptyString(new Set())).toBe(false);
+ expect(isEmptyString(new WeakMap())).toBe(false);
+ expect(isEmptyString(new WeakSet())).toBe(false);
+ });
+
+ await it('Verify isNotEmptyString()', () => {
+ expect(isNotEmptyString('')).toBe(false);
+ expect(isNotEmptyString(' ')).toBe(false);
+ expect(isNotEmptyString(' ')).toBe(false);
+ expect(isNotEmptyString('test')).toBe(true);
+ expect(isNotEmptyString(' test')).toBe(true);
+ expect(isNotEmptyString('test ')).toBe(true);
+ expect(isNotEmptyString(undefined)).toBe(false);
+ expect(isNotEmptyString(null)).toBe(false);
+ expect(isNotEmptyString(0)).toBe(false);
+ expect(isNotEmptyString({})).toBe(false);
+ expect(isNotEmptyString([])).toBe(false);
+ expect(isNotEmptyString(new Map())).toBe(false);
+ expect(isNotEmptyString(new Set())).toBe(false);
+ expect(isNotEmptyString(new WeakMap())).toBe(false);
+ expect(isNotEmptyString(new WeakSet())).toBe(false);