Add -l to coverage testing.

diff --git a/tests/Makefile b/tests/Makefile
index da0dc71f7ec4d13c7f890b432f04bde25971c38e..cffab9a73391d093f3beb58bff8319936b1e45e4 100644 (file)
--- a/tests/Makefile
+++ b/tests/Makefile
@@ -8,9 +8,10 @@ PATH := $(realpath ..):$(realpath .):${PATH}
 # Defeat annoying behavior under Mac OS X - builtin echo doesn't do -n
 ECHO := /bin/echo
 
-all: regress
+check: regress
        @echo "=== No diff output is good news."
        @-advent -x 2>/dev/null # Get usage message into coverage tests
+       @-advent -l /dev/null <quit.log >/dev/null
 
 .SUFFIXES: .chk