>From ada3702813d792fa9225c9812f7066f5a905d540 Mon Sep 17 00:00:00 2001
From: Bruno Haible <bruno@clisp.org>
Date: Sun, 30 Jan 2022 17:01:07 +0100
Subject: [PATCH 2/2] terminfo: Add tests.

* tests/test-terminfo.c: New file.
* modules/terminfo-tests: New file.
---
 ChangeLog              |  4 ++
 modules/terminfo-tests | 13 +++++++
 tests/test-terminfo.c  | 87 ++++++++++++++++++++++++++++++++++++++++++
 3 files changed, 104 insertions(+)
 create mode 100644 modules/terminfo-tests
 create mode 100644 tests/test-terminfo.c

diff --git a/ChangeLog b/ChangeLog
index 16e2955418..4c9a1e7989 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,5 +1,9 @@
 2022-01-30  Bruno Haible  <bruno@clisp.org>
 
+	terminfo: Add tests.
+	* tests/test-terminfo.c: New file.
+	* modules/terminfo-tests: New file.
+
 	terminfo, terminfo-h: New modules.
 	* lib/terminfo.h: New file, from GNU gettext.
 	* m4/terminfo.m4: New file, from GNU gettext.
diff --git a/modules/terminfo-tests b/modules/terminfo-tests
new file mode 100644
index 0000000000..50d7a45d74
--- /dev/null
+++ b/modules/terminfo-tests
@@ -0,0 +1,13 @@
+Files:
+tests/test-terminfo.c
+
+Depends-on:
+terminfo-h
+unistd
+
+configure.ac:
+
+Makefile.am:
+TESTS += test-terminfo
+check_PROGRAMS += test-terminfo
+test_terminfo_LDADD = $(LDADD) @LIBTERMINFO@
diff --git a/tests/test-terminfo.c b/tests/test-terminfo.c
new file mode 100644
index 0000000000..85c3e0bcfb
--- /dev/null
+++ b/tests/test-terminfo.c
@@ -0,0 +1,87 @@
+/* Ad-hoc testing program for <termcap.h>.
+   Copyright (C) 2022 Free Software Foundation, Inc.
+
+   This program 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.
+
+   This program 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 <https://www.gnu.org/licenses/>.  */
+
+#include <config.h>
+
+/* Specification.  */
+#include "terminfo.h"
+
+#include <stdio.h>
+/* Get getenv().  */
+#include <stdlib.h>
+/* Get STDOUT_FILENO.  */
+#include <unistd.h>
+
+int
+main (int argc, char *argv[])
+{
+  const char *underline_on = NULL;
+  const char *underline_off = NULL;
+  const char *bold_on = NULL;
+  const char *invert_on = NULL;
+  const char *attributes_off = NULL;
+
+  {
+    const char *term = getenv ("TERM");
+    if (term != NULL && *term != '\0')
+      {
+        #if HAVE_TERMINFO
+        int err = 1;
+        if (setupterm (term, STDOUT_FILENO, &err) || err == 1)
+          {
+            underline_on = tigetstr ("smul");
+            underline_off = tigetstr ("rmul");
+            bold_on = tigetstr ("bold");
+            invert_on = tigetstr ("rev");
+            attributes_off = tigetstr ("sgr0");
+          }
+        #elif HAVE_TERMCAP
+        static char tbuf[2048];
+        if (tgetent (tbuf, term) > 0)
+          {
+            underline_on = tgetstr ("us", NULL);
+            underline_off = tgetstr ("ue", NULL);
+            bold_on = tgetstr ("md", NULL);
+            invert_on = tgetstr ("mr", NULL);
+            attributes_off = tgetstr ("me", NULL);
+          }
+        #endif
+      }
+  }
+
+  if (bold_on) tputs (bold_on, 1, putchar);
+  printf ("#include");
+  if (attributes_off) tputs (attributes_off, 1, putchar);
+  printf (" <stdio.h>\n");
+  if (underline_on) tputs (underline_on, 1, putchar);
+  printf ("int");
+  if (underline_off) tputs (underline_off, 1, putchar);
+  printf ("\n");
+  if (invert_on) tputs (invert_on, 1, putchar);
+  printf ("main");
+  if (attributes_off) tputs (attributes_off, 1, putchar);
+  printf (" ()\n");
+  printf ("{\n");
+  printf ("  printf (\"Hello world\\n\");\n");
+  printf ("  ");
+  if (bold_on) tputs (bold_on, 1, putchar);
+  printf ("return");
+  if (attributes_off) tputs (attributes_off, 1, putchar);
+  printf (" 0;\n");
+  printf ("}\n");
+
+  return 0;
+}
-- 
2.25.1