fix(llc, ui): message search pagination

Signed-off-by: xsahil03x <[email protected]>

packages/stream_chat/test/src/core/api/general_api_test.dart

@@ -86,6 +86,24 @@ void main() {
       },
     );
 
+    test(
+      'should throw if `pagination.offset` and `sort` both are provided',
+      () async {
+        final filter = Filter.in_('cid', const ['test-cid-1', 'test-cid-2']);
+        const sort = [SortOption<ChannelModel>('test-field')];
+        const pagination = PaginationParams(offset: 10);
+        try {
+          await generalApi.searchMessages(
+            filter,
+            sort: sort,
+            pagination: pagination,
+          );
+        } catch (e) {
+          expect(e, isA<AssertionError>());
+        }
+      },
+    );
+
     test('should run successfully with `query`', () async {
       final filter = Filter.in_('cid', const ['test-cid-1', 'test-cid-2']);
       const query = 'test-query';

packages/stream_chat/test/src/core/api/requests_test.dart

@@ -9,11 +9,23 @@ void main() {
       expect(j, {'field': 'name', 'direction': -1});
     });
 
-    test('PaginationParams', () {
-      const option = PaginationParams();
-      final j = option.toJson();
-      expect(j, containsPair('limit', 10));
-      expect(j, containsPair('offset', 0));
+    group('PaginationParams', () {
+      test('default', () {
+        const option = PaginationParams();
+        final j = option.toJson();
+        expect(j, containsPair('limit', 10));
+      });
+
+      test(
+        'should throw if non-zero `offset` and `next` both are provided',
+        () {
+          try {
+            PaginationParams(offset: 10, next: 'next-message-id');
+          } catch (e) {
+            expect(e, isA<AssertionError>());
+          }
+        },
+      );
     });
   });
 }