1. A computer program product for integrating a code coverage tool with a debugger, the computer program product comprising: a storage medium readable by a processing circuit and storing instructions for execution by the processing circuit for performing a method comprising: performing a debugging process on a set of source code for an application program; analyzing a set of code coverage information associated with the set of source code with respect to a set of debugging information, where the set of code coverage information at least identifies a set of instructions that has been executed; identifying, based on the analyzing, a set of source code lines in the set of source code that corresponds to the set of instructions that has been executed; and notifying, through a user interface, the user that the set of instructions associated with the identified set of source code have been executed.