SWI-Prolog -- cov_property/1

Documentation
- Reference manual
  - The SWI-Prolog library
    - library(prolog_coverage): Coverage analysis tool
      - Predicate reference
        
        coverage/1
        
        coverage/2
        
        show_coverage/1
        
        report_hook/2
        
        cov_save_data/2
        
        cov_load_data/2
        
        cov_reset/0
        
        cov_property/1
- Packages

Availability::- use_module(library(prolog_coverage)).(can be autoloaded)

Source

cov_property(?Property)

True when coverage analysis satisfies Property. Currently defined properties are:

active(?Nesting): True when coverage data is being collected. Nesting expresses the nesting of coverage/1 calls and is normally 1 (one).