[groff] 01/25: [man]: Regression-test Savannah #61734.

[G. Branden Robinson]

gbranden pushed a commit to branch master
in repository groff.

commit 254a2cc54e685289d460ddc50090fecc2ad291f0
Author: G. Branden Robinson <g.branden.robinson@gmail.com>
AuthorDate: Tue Feb 22 22:42:29 2022 +1100

    [man]: Regression-test Savannah #61734.
    
    * tmac/tests/an_reset-hyphenation-correctly.sh: Do it.
    * tmac/tmac.am (tmac_TESTS): Run test.
    
    Test fails at this commit.
---
 ChangeLog                                    |  7 ++++
 tmac/tests/an_reset-hyphenation-correctly.sh | 63 ++++++++++++++++++++++++++++
 tmac/tmac.am                                 |  1 +
 3 files changed, 71 insertions(+)

diff --git a/ChangeLog b/ChangeLog
index b6c3ddd2..12455d0f 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,10 @@
+2022-02-22  G. Branden Robinson <g.branden.robinson@gmail.com>
+
+       [man]: Regression-test Savannah #61734.
+
+       * tmac/tests/an_reset-hyphenation-correctly.sh: Do it.
+       * tmac/tmac.am (tmac_TESTS): Run test.
+
 2022-02-21  G. Branden Robinson <g.branden.robinson@gmail.com>
 
        * man/groff_char.7.man (History): Add new section.
diff --git a/tmac/tests/an_reset-hyphenation-correctly.sh 
b/tmac/tests/an_reset-hyphenation-correctly.sh
new file mode 100755
index 00000000..71914196
--- /dev/null
+++ b/tmac/tests/an_reset-hyphenation-correctly.sh
@@ -0,0 +1,63 @@
+#!/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="${abs_top_builddir:-.}/test-groff"
+
+# Fix problem observed while implementing Savannah #61734.  Using a
+# hyphenation of "en" (English) with the hyphenation mode for Swedish
+# produces bad breaks.
+
+input='.TH foo 1 2022-02-21 "groff test suite"
+xx
+glyph
+glyph
+glyph
+glyph
+glyph
+glyph
+glyph
+glyph
+glyph
+glyph
+glyph
+glyph
+glyph
+glyph
+'
+
+fail=
+
+wail () {
+    echo "...$* FAILED" >&2
+    fail=yes
+}
+
+echo "checking continuous rendering mode" >&2
+output=$(printf "%s" "$input" \
+    | "$groff" -Tascii -P-cbou -man -msv -men)
+echo "$output" | grep -q 'g-$' && wail
+
+echo "checking discontinuous (paginated) rendering mode" >&2
+output=$(printf "%s" "$input" \
+    | "$groff" -Tascii -P-cbou -man -rcR=0 -msv -men)
+echo "$output" | grep -q 'g-$' && wail
+
+test -z "$fail"
+
+# vim:set ai et sw=4 ts=4 tw=72:
diff --git a/tmac/tmac.am b/tmac/tmac.am
index 56785f9a..33006425 100644
--- a/tmac/tmac.am
+++ b/tmac/tmac.am
@@ -173,6 +173,7 @@ tmac_TESTS = \
   tmac/tests/an_no-break-after-short-paragraph-tags.sh \
   tmac/tests/an_page-footers-present.sh \
   tmac/tests/an_page-header-has-current-data.sh \
+  tmac/tests/an_reset-hyphenation-correctly.sh \
   tmac/tests/an_title-abbreviation-works.sh \
   tmac/tests/andoc_clear-doc-traps.sh \
   tmac/tests/andoc_flush-between-packages.sh \