X-Git-Url: http://git.ozlabs.org/?p=ccan;a=blobdiff_plain;f=tools%2Fccanlint%2Ftests%2Ftests_coverage.c;h=a8da103f045fed21280625a1bbf9c4c4e44814c8;hp=a2b9ee32cf6d0ec421db8aa050a63332b82f829a;hb=c1da4104d996fe1a332e5bc01fad937b4773551a;hpb=100444225380d3f5ca29424ea54703d308c7c651

diff --git a/tools/ccanlint/tests/tests_coverage.c b/tools/ccanlint/tests/tests_coverage.c
index a2b9ee32..a8da103f 100644
--- a/tools/ccanlint/tests/tests_coverage.c
+++ b/tools/ccanlint/tests/tests_coverage.c
@@ -110,6 +110,10 @@ static void analyze_coverage(struct manifest *m, bool full_gcov,
 
 	score->pass = true;
 
+	if (verbose > 1)
+		printf("%u of %u lines covered\n",
+		       (unsigned)covered_lines, total_lines);
+
 	/* Nothing covered?  We can't tell if there's a source file which
 	 * was never executed, or there really is no code to execute, so
 	 * assume the latter: this test deserves no score. */
@@ -131,6 +135,7 @@ static void do_run_coverage_tests(struct manifest *m,
 	char *covcmd;
 	bool full_gcov = (verbose > 1);
 	struct list_head *list;
+	bool ran_some = false;
 
 	/* This tells gcov where we put those .gcno files. */
 	outdir = talloc_dirname(score, m->info_file->compiled);
@@ -161,9 +166,17 @@ static void do_run_coverage_tests(struct manifest *m,
 						 " failed: %s", cmdout);
 				return;
 			}
+			ran_some = true;
 		}
 	}
 
+	/* No tests at all?  0 out of 0 for you... */
+	if (!ran_some) {
+		score->total = score->score = 0;
+		score->pass = true;
+		return;
+	}
+
 	/* Now run gcov: we want output even if it succeeds. */
 	if (!run_command(score, timeleft, &cmdout, "%s", covcmd)) {
 		score->error = talloc_asprintf(score, "Running gcov: %s",