1 files changed, 40 insertions, 2 deletions
diff --git a/tests/postgres_tests/test_indexes.py b/tests/postgres_tests/test_indexes.py
index c3172f3a49..d866a8b869 100644
--- a/tests/postgres_tests/test_indexes.py
+++ b/tests/postgres_tests/test_indexes.py
@@ -65,11 +65,24 @@ class GinIndexTests(PostgreSQLTestCase):
         self.assertEqual(index.name, 'postgres_te_field_def2f8_gin')
 
     def test_deconstruction(self):
-        index = GinIndex(fields=['title'], name='test_title_gin')
+        index = GinIndex(
+            fields=['title'],
+            name='test_title_gin',
+            fastupdate=True,
+            gin_pending_list_limit=128,
+        )
         path, args, kwargs = index.deconstruct()
         self.assertEqual(path, 'django.contrib.postgres.indexes.GinIndex')
         self.assertEqual(args, ())
-        self.assertEqual(kwargs, {'fields': ['title'], 'name': 'test_title_gin'})
+        self.assertEqual(
+            kwargs,
+            {
+                'fields': ['title'],
+                'name': 'test_title_gin',
+                'fastupdate': True,
+                'gin_pending_list_limit': 128,
+            }
+        )
 
 
 class SchemaTests(PostgreSQLTestCase):
@@ -97,6 +110,31 @@ class SchemaTests(PostgreSQLTestCase):
             editor.remove_index(IntegerArrayModel, index)
         self.assertNotIn(index_name, self.get_constraints(IntegerArrayModel._meta.db_table))
 
+    def test_gin_fastupdate(self):
+        index_name = 'integer_array_gin_fastupdate'
+        index = GinIndex(fields=['field'], name=index_name, fastupdate=False)
+        with connection.schema_editor() as editor:
+            editor.add_index(IntegerArrayModel, index)
+        constraints = self.get_constraints(IntegerArrayModel._meta.db_table)
+        self.assertEqual(constraints[index_name]['type'], 'gin')
+        self.assertEqual(constraints[index_name]['options'], ['fastupdate=off'])
+        with connection.schema_editor() as editor:
+            editor.remove_index(IntegerArrayModel, index)
+        self.assertNotIn(index_name, self.get_constraints(IntegerArrayModel._meta.db_table))
+
+    @skipUnlessDBFeature('has_gin_pending_list_limit')
+    def test_gin_parameters(self):
+        index_name = 'integer_array_gin_params'
+        index = GinIndex(fields=['field'], name=index_name, fastupdate=True, gin_pending_list_limit=64)
+        with connection.schema_editor() as editor:
+            editor.add_index(IntegerArrayModel, index)
+        constraints = self.get_constraints(IntegerArrayModel._meta.db_table)
+        self.assertEqual(constraints[index_name]['type'], 'gin')
+        self.assertEqual(constraints[index_name]['options'], ['gin_pending_list_limit=64', 'fastupdate=on'])
+        with connection.schema_editor() as editor:
+            editor.remove_index(IntegerArrayModel, index)
+        self.assertNotIn(index_name, self.get_constraints(IntegerArrayModel._meta.db_table))
+
     @skipUnlessDBFeature('has_brin_index_support')
     def test_brin_index(self):
         index_name = 'char_field_model_field_brin'