[Serializer] CamelCaseToSnakeCaseNameConverter upper camel case not working #21399
Description
| Q | A |
|---|---|
| Bug report? | yes |
| Feature request? | no |
| BC Break report? | no |
| RFC? | no |
| Symfony version | all supported |
The CamelCaseToSnakeCaseNameConverter provides a constructor argument to specify whether to use lower camel case or not. Denormalizing upper camel case works fine, but normalizing ThisIsATest returns _this_is_a_test (should be this_is_a_test).