[groff] 02/05: Add regression test for Debian #411227.

[G. Branden Robinson]

gbranden pushed a commit to branch master
in repository groff.

commit 654f7a08290f79b856f21d65e4fc2fc1516cfe33
Author: G. Branden Robinson <g.branden.robinson@gmail.com>
AuthorDate: Wed Nov 18 18:14:58 2020 +1100

    Add regression test for Debian #411227.
    
    Warning: "make check" will loop infinitely at this commit.
---
 ..._not_loop_infinitely_when_shortening_headers.sh | 37 ++++++++++++++++++++++
 tmac/tmac.am                                       |  1 +
 2 files changed, 38 insertions(+)

diff --git a/tmac/tests/doc-do_not_loop_infinitely_when_shortening_headers.sh 
b/tmac/tests/doc-do_not_loop_infinitely_when_shortening_headers.sh
new file mode 100755
index 0000000..6d06f0d
--- /dev/null
+++ b/tmac/tests/doc-do_not_loop_infinitely_when_shortening_headers.sh
@@ -0,0 +1,37 @@
+#!/bin/sh
+#
+# Copyright (C) 2020 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="${abs_top_builddir:-.}/test-groff"
+
+DOCUMENT=\
+'.Dd 2020-11-17
+.Dt ftp 1
+.Os "groff test suite"
+.Sh Name
+.Nm ftp
+.Nd transfer files insecurely'
+
+# Regression-test Debian #411227.
+#
+# Don't loop infinitely when trying to shorten page header and we can't
+# shrink it any further.
+
+echo "$DOCUMENT" | "$groff" -z -rLT=35n -Tascii -P-cbou -mdoc
+
+# vim:set ai et sw=4 ts=4 tw=72:
diff --git a/tmac/tmac.am b/tmac/tmac.am
index 1a761cb..62413cd 100644
--- a/tmac/tmac.am
+++ b/tmac/tmac.am
@@ -176,6 +176,7 @@ tmac_TESTS = \
   tmac/tests/doc-CS_works.sh \
   tmac/tests/doc-CT_works.sh \
   tmac/tests/doc-accept-mixed-case-section-headings.sh \
+  tmac/tests/doc-do_not_loop_infinitely_when_shortening_headers.sh \
   tmac/tests/doc-smoke-test.sh \
   tmac/tests/s_R-handles-its-arguments.sh \
   tmac/tests/s_TC-works-with-percent-in-custom-titles.sh