Don't let pr treat +1:-1 like +1:18446744073709551615.

(neg-page): Add a test for this.

diff --git a/tests/pr/Test.pm b/tests/pr/Test.pm
index 066212d..fd76957 100644 (file)
--- a/tests/pr/Test.pm
+++ b/tests/pr/Test.pm
@@ -355,6 +355,10 @@ my @tv = (
 # Make sure these fail.
 ['col-0', '-0', '', '', 1],
 ['col-inval', '-'.'9'x100, '', '', 1],
+
+# Before coreutils-5.3.1, --pages=1:-1 would be treated like
+# --pages=1:18446744073709551615.
+['neg-page', '--pages=1:-1', '', '', 1],
 );
 #']]);