1 files changed, 62 insertions, 0 deletions
diff --git a/contrib/mm/tests/place-equation-labels-correctly-in-displays.sh b/contrib/mm/tests/place-equation-labels-correctly-in-displays.sh
new file mode 100755
index 0000000..1970397
--- /dev/null
+++ b/contrib/mm/tests/place-equation-labels-correctly-in-displays.sh
@@ -0,0 +1,62 @@
+#!/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="${abs_top_builddir:-.}/test-groff"
+
+fail=
+
+wail () {
+    echo FAILED >&2
+    fail=YES
+}
+
+# Regression-test Savannah #62190.  Check left- and center-aligned
+# displayed equations as well.
+
+input='.DS L
+.EQ (1)
+p = q
+.EN
+.DE
+.DS I
+.EQ (2)
+w = z
+.EN
+.DE
+.DS C
+.EQ (3)
+x = y
+.EN
+.DE'
+
+output=$(printf "%s\n" "$input" | "$groff" -e -mm -Tascii -P-cbou)
+
+echo "checking left-aligned displayed equation" >&2
+echo "$output" | grep -Eq 'p=q {54}\(1\)' || wail
+
+echo "checking indented displayed equation" >&2
+echo "$output" | grep -Eq 'w=z {49}\(2\)' || wail
+
+echo "checking centered displayed equation" >&2
+echo "$output" | grep -Eq 'x=y {26}\(3\)' || wail
+
+test -z "$fail" || exit 1
+
+# vim:set ai et sw=4 ts=4 tw=72: