1 files changed, 53 insertions, 0 deletions
diff --git a/tests/ls/abmon-align.sh b/tests/ls/abmon-align.sh
new file mode 100755
index 0000000..0ad5f3a
--- /dev/null
+++ b/tests/ls/abmon-align.sh
@@ -0,0 +1,53 @@
+#!/bin/sh
+# Ensure ls output is aligned when using abbreviated months from the locale
+
+# Copyright (C) 2009-2022 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/>.
+
+. "${srcdir=.}/tests/init.sh"; path_prepend_ ./src
+print_ver_ ls
+
+mid_month="$(date +%Y-%m-15)" || framework_failure_
+for mon in $(seq -w 12); do
+    touch -d"$mid_month +$mon month" $mon.ts || framework_failure_
+done
+
+
+# Note some of the following locales may be missing but if so
+# we should fail back to the C locale which should be aligned
+
+for format in "%b" "[%b" "%b]" "[%b]"; do
+  for LOC in C gv_GB ga_IE fi_FI.utf8 zh_CN ar_SY $LOCALE_FR_UTF8; do
+    # The sed usage here is slightly different from the original,
+    # removing the \(.*\), to avoid triggering misbehavior in at least
+    # GNU sed 4.2 (possibly miscompiled) on Mac OS X (Darwin 9.8.0).
+    months="$(
+      LC_ALL=$LOC TIME_STYLE=+"$format" ls -lgG *.ts |
+      LC_ALL=C sed 's/.\{15\}//;s/ ..\.ts$//;s/ /./g')"
+    n_widths=$(echo "$months" |
+      while read mon; do echo "$mon" | LC_ALL=$LOC wc -L; done |
+      uniq | wc -l
+    )
+    n_dupes=$(echo "$months" | sort | uniq -d | wc -l)
+    test "$n_widths" = "1" || { fail=1; break 2; }
+    test "$n_dupes" = "0" || { fail=1; break 2; }
+  done
+done
+if test "$fail" = "1"; then
+   echo "misalignment or ambiguous output in $LOC locale:"
+   LC_ALL=$LOC TIME_STYLE=+%b ls -lgG *.ts
+fi
+
+Exit $fail