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-rw-r--r--activerecord/test/cases/json_shared_test_cases.rb11
1 files changed, 11 insertions, 0 deletions
diff --git a/activerecord/test/cases/json_shared_test_cases.rb b/activerecord/test/cases/json_shared_test_cases.rb
index d190b027bf..ef5ca86874 100644
--- a/activerecord/test/cases/json_shared_test_cases.rb
+++ b/activerecord/test/cases/json_shared_test_cases.rb
@@ -160,6 +160,17 @@ module JSONSharedTestCases
assert_not json.changed?
end
+ def test_changes_in_place_with_ruby_object
+ time = Time.now.utc
+ json = JsonDataType.create!(payload: time)
+
+ json.reload
+ assert_not json.changed?
+
+ json.payload = time
+ assert_not json.changed?
+ end
+
def test_assigning_string_literal
json = JsonDataType.create!(payload: "foo")
assert_equal "foo", json.payload