indexing
	description:
		"Objects that can produce output to the test logging facility"

	status:	"See note at end of class"
	date: "$Date$"
	revision: "$Revision$"

deferred class LOGGABLE inherit

	TEST_STATUS

feature -- Output

	put_summary (f: LOG_FACILITY) is
			-- Output test summary to `f'.
		require
			facility_exists: f /= Void
			facility_set_up: f.is_device_set and f.is_format_set
			results_available: has_results
		deferred
		end
	 
	 put_failure_information (f: LOG_FACILITY; n: INTEGER) is
	 		-- Output failure information for run `n' to `f'.
		require
			facility_exists: f /= Void
			facility_set_up: f.is_device_set and f.is_format_set
			valid_run_number: valid_run_index (n)
			results_available: has_results
			failed_test: not has_passed (n)
		deferred
		end

	 put_timing_information (f: LOG_FACILITY; n: INTEGER) is
	 		-- Output timing information for run `n' to `f'.
		require
			log_exists: f /= Void
			log_format_set: f.is_format_set
			valid_run_number: valid_run_index (n)
			results_available: has_results
			timing_recorded: has_execution_time (n)
		deferred
		end
	 
end -- class LOGGABLE

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