1 files changed, 70 insertions, 0 deletions
diff --git a/tmac/tests/an_page-header-has-current-data.sh b/tmac/tests/an_page-header-has-current-data.sh
new file mode 100755
index 0000000..90e3b59
--- /dev/null
+++ b/tmac/tests/an_page-header-has-current-data.sh
@@ -0,0 +1,70 @@
+#!/bin/sh
+#
+# Copyright (C) 2021 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="${abs_top_builddir:-.}/test-groff"
+
+# Misconfiguration of traps or our man(7) implementation's page-flushing macros,
+# or poor ordering of logic in its TH macro, can cause page headers to render
+# with incorrect information.
+
+INPUT='.TH foo 1 2021-05-16 "groff test suite" "Volume 1"
+.SH Name
+foo \- a frobnicating thing
+.TH bar 1 2021-05-16 "groff test suite" "Volume 2"
+.SH Name
+bar \- a wretched hive of scum and villainy'
+
+OUTPUT=$(echo "$INPUT" | "$groff" -Tascii -P-cbou -man)
+echo "$OUTPUT"
+
+FAIL=
+
+if ! echo "$OUTPUT" | grep -Eqx 'foo\(1\) +Volume 1 +foo\(1\)'
+then
+    FAIL=yes
+    echo "first page header test failed (continuous rendering on)" >&2
+fi
+
+if ! echo "$OUTPUT" | sed '1,/^groff test suite/d' \
+    | grep -Eqx 'bar\(1\) +Volume 2 +bar\(1\)'
+then
+    FAIL=yes
+    echo "second page header test failed (continuous rendering on)" >&2
+fi
+
+OUTPUT=$(echo "$INPUT" | "$groff" -Tascii -P-cbou -man -rcR=0)
+echo "$OUTPUT"
+
+if ! echo "$OUTPUT" | grep -Eqx 'foo\(1\) +Volume 1 +foo\(1\)'
+then
+    FAIL=yes
+    echo "first page header test failed (continuous rendering off)" >&2
+fi
+
+if ! echo "$OUTPUT" | sed '1,/^groff test suite/d' \
+    | grep -Eqx 'bar\(1\) +Volume 2 +bar\(1\)'
+then
+    FAIL=yes
+    echo "second page header test failed (continuous rendering off)" >&2
+fi
+
+test -z "$FAIL"
+
+# vim:set ai et sw=4 ts=4 tw=80: