A device receives code that is an executable representation of a dynamic system that includes a behavior that changes over time, and executes one or more portions of the code. The device determines coverage information associated with the executing code, where the coverage information provides a measure of completeness associated with the executing code. The device receives a selected option for displaying the coverage information, and provides for display a time-based view of the coverage information based on the selected option. The device permits a user to manipulate one or more time periods associated with the time-based view.