test: add test

Author: WikiRik

test/specs/utils/object.spec.ts

@@ -1,5 +1,6 @@
 import { expect } from 'chai';
 import { deepAssign } from '../../../src/shared/object';
+import { addScopeOptions } from '../../../src/scopes/scope-service';
 
 describe('utils', () => {
   describe('object', () => {
@@ -109,6 +110,14 @@ describe('utils', () => {
         expect(copy.test).to.have.property('protoFn').that.is.a('function');
       });
 
+      it('ignore prototype property', () => {
+        const BAD_JSON = JSON.parse('{"__proto__":{"polluted":true}}');
+        const empty_scope = {};
+
+        addScopeOptions(empty_scope, BAD_JSON);
+        expect(empty_scope).not.to.have.property('polluted');
+      });
+
       if (Object.getOwnPropertySymbols) {
         it('should copy symbol based objects', () => {
           const symbol = Symbol('test');