1 files changed, 55 insertions, 0 deletions
diff --git a/src/preproc/eqn/tests/diagnostics-report-correct-line-numbers.sh b/src/preproc/eqn/tests/diagnostics-report-correct-line-numbers.sh
new file mode 100755
index 0000000..feb78c1
--- /dev/null
+++ b/src/preproc/eqn/tests/diagnostics-report-correct-line-numbers.sh
@@ -0,0 +1,55 @@
+#!/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/>.
+#
+
+eqn="${abs_top_builddir:-.}/eqn"
+fail=
+
+wail () {
+    echo "...FAILED" >&2
+    echo "$error"
+    fail=yes
+}
+
+# Verify that correct input file line numbers are reported.
+
+echo "checking for absent line number in early EOF diagnostic" >&2
+input='.EQ'
+error=$(printf "%s\n" "$input" | "$eqn" 2>&1 > /dev/null)
+echo "$error" | grep -Eq '^[^:]+:[^:]+: fatal' || wail
+
+echo "checking for correct line number in nested 'EQ' diagnostic" >&2
+input='.EQ
+.EQ'
+error=$(printf "%s\n" "$input" | "$eqn" 2>&1 > /dev/null)
+echo "$error" | grep -Eq '^[^:]+:[^:]+:2: fatal' || wail
+
+echo "checking for correct line number in invalid input character" \
+    "diagnostic" >&2
+error=$(printf ".EQ\nx\n.EN\n\200\n" | "$eqn" 2>&1 > /dev/null)
+echo "$error" | grep -Eq '^[^:]+:[^:]+:4: error' || wail
+
+echo "checking for correct line number in invalid input character" \
+    "diagnostic when 'lf' request used beforehand" >&2
+error=$(printf ".EQ\nx\n.EN\n.lf 99\n\200\n" | "$eqn" 2>&1 > /dev/null)
+echo "$error" | grep -Eq '^[^:]+:[^:]+:99: error' || wail
+
+test -z "$fail"
+
+# vim:set ai et sw=4 ts=4 tw=72: