[groff] 04/05: Add regression test for Savannah #59345.

[G. Branden Robinson]

gbranden pushed a commit to branch master
in repository groff.

commit 8136ba6a9ea3a619a494443424c877617c6bc7dc
Author: G. Branden Robinson <g.branden.robinson@gmail.com>
AuthorDate: Sun Oct 25 21:01:34 2020 +1100

    Add regression test for Savannah #59345.
---
 .../s-TC-works-with-percent-in-custom-titles.sh    | 56 ++++++++++++++++++++++
 tmac/tmac.am                                       |  3 +-
 2 files changed, 58 insertions(+), 1 deletion(-)

diff --git a/tmac/tests/s-TC-works-with-percent-in-custom-titles.sh 
b/tmac/tests/s-TC-works-with-percent-in-custom-titles.sh
new file mode 100755
index 0000000..23362fe
--- /dev/null
+++ b/tmac/tests/s-TC-works-with-percent-in-custom-titles.sh
@@ -0,0 +1,56 @@
+#!/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="${abs_top_builddir:-.}/test-groff"
+
+# Regression-test Savannah #59345.
+#
+# Ensure that .TC succeeds in assigning the 'i' format to the page
+# number register when '%' is used in a custom header or footer.
+
+EXAMPLE=\
+'.OH ##%##
+.NH 1
+Foo
+.XS
+Foo
+.XE
+.LP
+Bar.
+.TC
+'
+
+OUTPUT=$(echo "$EXAMPLE" | "$groff" -Tascii -P-cbou -ms)
+
+FAIL=
+
+# Strip blank lines from the output first; all we care about for this
+# test is the presence, adjacency, and ordering of non-blank lines.
+
+if [ -z "$(echo "$OUTPUT" \
+    | sed '/^$/d' \
+    | sed -n '/i/{N;/Table of Contents/{N;/Foo[. ]\+/p}}')" ]
+then
+    FAIL=yes
+fi
+
+test -z "$FAIL"
+
+# vim:set ai et sw=4 ts=4 tw=72:
diff --git a/tmac/tmac.am b/tmac/tmac.am
index 01ae57d..737efec 100644
--- a/tmac/tmac.am
+++ b/tmac/tmac.am
@@ -174,7 +174,8 @@ tmac_TESTS = \
   tmac/tests/andoc-clear-doc-traps.sh \
   tmac/tests/andoc-flush-between-packages.sh \
   tmac/tests/doc-accept-mixed-case-section-headings.sh \
-  tmac/tests/doc-smoke-test.sh
+  tmac/tests/doc-smoke-test.sh \
+  tmac/tests/s-TC-works-with-percent-in-custom-titles.sh
 TESTS += $(tmac_TESTS)
 EXTRA_DIST += $(tmac_TESTS)