diff --git a/test/test_unget_wch.c b/test/test_unget_wch.c
new file mode 100644
index 0000000..5808530
--- /dev/null
+++ b/test/test_unget_wch.c
@@ -0,0 +1,116 @@
+/****************************************************************************
+ * Copyright 2022 Thomas E. Dickey                                          *
+ *                                                                          *
+ * Permission is hereby granted, free of charge, to any person obtaining a  *
+ * copy of this software and associated documentation files (the            *
+ * "Software"), to deal in the Software without restriction, including      *
+ * without limitation the rights to use, copy, modify, merge, publish,      *
+ * distribute, distribute with modifications, sublicense, and/or sell       *
+ * copies of the Software, and to permit persons to whom the Software is    *
+ * furnished to do so, subject to the following conditions:                 *
+ *                                                                          *
+ * The above copyright notice and this permission notice shall be included  *
+ * in all copies or substantial portions of the Software.                   *
+ *                                                                          *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS  *
+ * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF               *
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.   *
+ * IN NO EVENT SHALL THE ABOVE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,   *
+ * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR    *
+ * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR    *
+ * THE USE OR OTHER DEALINGS IN THE SOFTWARE.                               *
+ *                                                                          *
+ * Except as contained in this notice, the name(s) of the above copyright   *
+ * holders shall not be used in advertising or otherwise to promote the     *
+ * sale, use or other dealings in this Software without prior written       *
+ * authorization.                                                           *
+ ****************************************************************************/
+/*
+ * $Id: test_unget_wch.c,v 1.4 2022/12/10 23:31:31 tom Exp $
+ *
+ * Demonstrate the unget_wch and unget functions.
+ */
+
+#include <test.priv.h>
+
+#if USE_WIDEC_SUPPORT && HAVE_UNGET_WCH
+static void
+usage(int ok)
+{
+    static const char *msg[] =
+    {
+	"Usage: test_unget_wch [options]"
+	,""
+	,USAGE_COMMON
+    };
+    size_t n;
+
+    for (n = 0; n < SIZEOF(msg); n++)
+	fprintf(stderr, "%s\n", msg[n]);
+
+    ExitProgram(ok ? EXIT_SUCCESS : EXIT_FAILURE);
+}
+/* *INDENT-OFF* */
+VERSION_COMMON()
+/* *INDENT-ON* */
+
+int
+main(int argc, char *argv[])
+{
+    int step = 0;
+    int ch;
+
+    while ((ch = getopt(argc, argv, OPTS_COMMON)) != -1) {
+	switch (ch) {
+	case OPTS_VERSION:
+	    show_version(argv);
+	    ExitProgram(EXIT_SUCCESS);
+	default:
+	    usage(ch == OPTS_USAGE);
+	    /* NOTREACHED */
+	}
+    }
+    if (optind < argc)
+	usage(FALSE);
+
+    setlocale(LC_ALL, "");
+    initscr();
+    keypad(stdscr, TRUE);
+    cbreak();
+    noecho();
+    scrollok(stdscr, TRUE);
+
+    for (;;) {
+	wint_t widechar;
+	int rc = get_wch(&widechar);
+	if (rc == KEY_CODE_YES) {
+	    printw("KEY[%d] %s\n", ++step, keyname((int) widechar));
+	    ungetch((int) widechar);
+	    printw("...[%d] %s\n", step, keyname(getch()));
+	} else if (widechar == QUIT || widechar == ESCAPE) {
+	    break;
+	} else {
+	    printw("CHR[%d] %s\n", ++step, key_name((wchar_t) widechar));
+	    unget_wch((wchar_t) widechar);
+	    rc = get_wch(&widechar);
+	    printw("%s[%d] %s\n",
+		   ((rc == KEY_CODE_YES)
+		    ? "???"
+		    : "..."),
+		   step, key_name((wchar_t) widechar));
+	}
+    }
+
+    endwin();
+
+    ExitProgram(EXIT_SUCCESS);
+}
+
+#else
+int
+main(void)
+{
+    printf("This program requires the wide-ncurses library\n");
+    ExitProgram(EXIT_FAILURE);
+}
+#endif