maint: avoid "magic number exit".

[bison.git] / tests / named-refs.at

diff --git a/tests/named-refs.at b/tests/named-refs.at
index 62c46211bcc58d84845b49b45fcc8c26871abe6f..2490d2df8c7b1f9c968ac62f60f8212f545fa17b 100644 (file)
--- a/tests/named-refs.at
+++ b/tests/named-refs.at
@@ -15,6 +15,7 @@
 # You should have received a copy of the GNU General Public License
 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
+# FIXME: Duplication with calc.at.
 AT_BANNER([[Named references tests.]])
 
 AT_SETUP([Tutorial calculator])
@@ -142,8 +143,7 @@ int yylex (void)
 static int power (int base, int exponent)
 {
   int res = 1;
-  if (exponent < 0)
-    exit (3);
+  assert (0 <= exponent);
   for (/* Niente */; exponent; --exponent)
     res *= base;
   return res;