tests: ensure all utilities that read input diagnose errors

* tests/misc/read-errors.sh: Add a new test.
* tests/misc/date-f.sh: Remove unneeded test.
* tests/misc/dircolors.sh: Likewise.
* tests/local.mk: Reference new test, and dereference removed ones.

1 files changed, 0 insertions, 29 deletions

diff --git a/tests/misc/date-f.sh b/tests/misc/date-f.sh
deleted file mode 100755
index ebbb95652..000000000
--- a/tests/misc/date-f.sh
+++ /dev/null
@@ -1,29 +0,0 @@
-#!/bin/sh
-# Verify -f processing
-
-# Copyright (C) 2023 Free Software Foundation, Inc.
-
-# This program is free software: you can redistribute it and/or modify
-# it under the terms of the GNU General Public License as published by
-# the Free Software Foundation, either version 3 of the License, or
-# (at your option) any later version.
-
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-# GNU General Public License for more details.
-
-# You should have received a copy of the GNU General Public License
-# along with this program.  If not, see <https://www.gnu.org/licenses/>.
-
-. "${srcdir=.}/tests/init.sh"; path_prepend_ ./src
-print_ver_ date
-
-# Make sure date fails when it can't read input
-# (the current directory in this case)
-if ! cat . >/dev/null; then
-  # can't read() directories
-  returns_ 1 date -f . || fail=1
-fi
-
-Exit $fail