new syntax, new tests. Project is done

@@ -541,26 +541,24 @@ extension GetNavigation on GetInterface {
     String page, {
     dynamic arguments,
     int id,
+    Map<String, String> parameters,
     bool preventDuplicates = true,
   }) {
-    Get.parameters.forEach((key, value) async {
-      if (await page.contains('?')) {
-        page = "$page${"&$key=$value"}";
-      } else {
-        page = "$page${"?$key=$value"}";
+    Get.parameters = ({});
+    if (parameters != null) {
+      for (var item in parameters.keys) {
+        if (page.contains('?')) {
+          page += "&$item=${parameters[item]}";
+        } else {
+          page += "?$item=${parameters[item]}";
+        }
       }
-    });
-    // Get.parameters.clear();
+    }
+
     if (preventDuplicates && page == currentRoute) {
       return null;
     }
-    // Get.parameters.clear();
-    return global(id)
-        ?.currentState
-        ?.pushNamed<T>(page, arguments: arguments)
-        ?.then((_) {
-      Get.parameters.clear();
-    });
+    return global(id)?.currentState?.pushNamed<T>(page, arguments: arguments);
   }
 
   /// **Navigation.pushReplacementNamed()** shortcut.<br><br>

@@ -87,4 +87,40 @@ void main() {
       expect(Get.parameters['name'], 'ana');
     },
   );
+
+  testWidgets(
+    'params in url by parameters',
+    (tester) async {
+      print("Iniciando test");
+      await tester.pumpWidget(GetMaterialApp(
+        initialRoute: '/first/juan',
+        getPages: [
+          GetPage(page: () => Container(), name: '/buda'),
+          GetPage(page: () => Container(), name: '/italy'),
+        ],
+      ));
+
+      // Get.parameters = ({"varginias": "varginia", "vinis": "viniiss"});
+      var parameters = <String, String>{
+        "varginias": "varginia",
+        "vinis": "viniiss"
+      };
+      // print("Get.parameters: ${Get.parameters}");
+      parameters.addAll({"a": "b", "c": "d"});
+      Get.toNamed("/buda", parameters: parameters);
+
+      await tester.pumpAndSettle();
+      expect(Get.parameters['varginias'], 'varginia');
+      expect(Get.parameters['vinis'], 'viniiss');
+      expect(Get.parameters['a'], 'b');
+      expect(Get.parameters['c'], 'd');
+
+      Map<String, String> italyParameters;
+      italyParameters = {"ja": "ca", "que": "i"};
+      Get.toNamed("/italy", parameters: italyParameters);
+      await tester.pumpAndSettle();
+      expect(Get.parameters['ja'], 'ca');
+      expect(Get.parameters['que'], 'i');
+    },
+  );
 }