1 files changed, 47 insertions, 0 deletions
diff --git a/tmac/tests/an_TS-adds-no-vertical-space.sh b/tmac/tests/an_TS-adds-no-vertical-space.sh
new file mode 100755
index 0000000..d6e790a
--- /dev/null
+++ b/tmac/tests/an_TS-adds-no-vertical-space.sh
@@ -0,0 +1,47 @@
+#!/bin/sh
+#
+# Copyright (C) 2022 Free Software Foundation, Inc.
+#
+# This file is part of groff.
+#
+# groff 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.
+#
+# groff 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 <http://www.gnu.org/licenses/>.
+#
+
+groff="${abs_top_builddir:-.}/test-groff"
+
+input='.TH foo 1 2022-07-30 "groff test suite"
+.SH Name
+foo \- frobnicate a bar
+.SH Description
+Foo.
+.TS
+L.
+bar
+.TE
+'
+
+# Bash strips out an empty line, but that's what we're looking for.
+output=$(printf "%s" "$input" | "$groff" -t -man -Tascii \
+    | sed -n \
+        -e '/Foo\./{n;s/^$/FAILURE/;tA;' \
+        -e 's/.*/SUCCESS/;:A;' \
+        -e 'p;}')
+    # Here's a tidier version accepted by GNU sed but rejected
+    # contemptuously by macOS sed.  (POSIX doesn't say you _have_ to
+    # accept semicolons after label ':' and branch 't' commands, so it
+    # doesn't.)
+    # sed -n '/Foo\./{n;s/^$/FAILURE/;tA;s/.*/SUCCESS/;:A;p}'
+test "$output" = SUCCESS
+
+# vim:set ai et sw=4 ts=4 tw=72: