add json stringify

uni_modules/uts-tests/utssdk/JSON.uts

@@ -196,11 +196,53 @@ export function testJSON() : Result {
 			expect(JSON.stringify(Math.PI)).toEqual('3.141592653589793');
 			expect(JSON.stringify(Math.E)).toEqual('2.718281828459045');
 			
+			/**
+			 * add since 2023-09-23
+			 * 部分出错过的示例场景
+			 */
+			const arr = [{
+				"$method": "collection",
+				"$param": ["type"] as Array<any>,
+			  }, {
+				"$method": "add",
+				"$param": [
+				  [{
+					"num": 2,
+					"tag": "default-tag",
+				  } as UTSJSONObject, {
+					"num": 3,
+					"tag": "default-tag",
+				  } as UTSJSONObject] as Array<UTSJSONObject>,
+				] as Array<any>,
+			  }] as Array<UTSJSONObject>
+			  let ret = JSON.stringify({
+				$db: arr
+			  })
+			  expect(ret).toEqual('{"$db":[{"$method":"collection","$param":["type"]},{"$method":"add","$param":[[{"num":2,"tag":"default-tag"},{"num":3,"tag":"default-tag"}]]}]}')
+				  
+			type Msg = {	
+				id: string,	
+				method: string,	
+				params: any
+			}
+			type CallUniMethodParams = {	
+				method : string	
+				args : com.alibaba.fastjson.JSONArray
+			}
+			const msg = `{"id":"6fd6ca73-c313-48ac-ad30-87ff4eba2be8","method":"App.callUniMethod","params":{"method":"reLaunch","args":[{"url":"/pages/index/index"}]}}`
+			const jsonRet2 = JSON.parse<Msg>(msg)!
+			
+			const paramsStr = JSON.stringify(jsonRet2.params)
+			expect(paramsStr).toEqual('{"args":[{"url":"/pages/index/index"}],"method":"reLaunch"}')
+			const params = JSON.parse<CallUniMethodParams>(paramsStr)!
+			console.warn('params', JSON.stringify(params))
+			expect(JSON.stringify(params)).toEqual('{"args":[{"url":"/pages/index/index"}],"method":"reLaunch"}')
+			
 			
         })
 	
 		test('invalidField', () => {
-			let str = "{\"a+b\":\"test1\",\"a-b\":2,\"class\":true}"
+			let str = "{\"a+b\"	:\"test1\",\"a-b\":2,\"class\":true}"
 			let p = JSON.parseObject<PersonJSON>(str)
 			expect(p?._class).toEqual(true)
 			expect(p?.a_b).toEqual("test1")