While working on improving the code analysis, I discovered that the DoubleInterface is not implemented in double classes, contrary to what is documented in the signature of the Doubler.
I also added a test covering the fact that we implement ProphecySubjectInterface, but this one was already passing.
While working on improving the code analysis, I discovered that the DoubleInterface is not implemented in double classes, contrary to what is documented in the signature of the Doubler.
I also added a test covering the fact that we implement ProphecySubjectInterface, but this one was already passing.