diff --git a/test/test_mouse.c b/test/test_mouse.c
new file mode 100644
index 0000000..5508ea4
--- /dev/null
+++ b/test/test_mouse.c
@@ -0,0 +1,284 @@
+/****************************************************************************
+ * Copyright 2022-2023,2024 Thomas E. Dickey                                *
+ * Copyright 2022 Leonid S. Usov <leonid.s.usov at gmail.com>               *
+ *                                                                          *
+ * 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.                               *
+ ****************************************************************************/
+/*
+ * $Id: test_mouse.c,v 1.31 2024/03/30 20:45:31 tom Exp $
+ *
+ * Author: Leonid S Usov
+ *
+ * Observe mouse events in the raw terminal or parsed ncurses modes
+ */
+
+#include <test.priv.h>
+
+#if defined(NCURSES_MOUSE_VERSION) && !defined(_NC_WINDOWS)
+
+static int logoffset = 0;
+
+static void
+raw_loop(void)
+{
+    char *xtermcap;
+
+    printf("Entering raw mode. Ctrl-c to quit.\n");
+
+    newterm(NULL, stdout, stdin);
+    raw();
+    xtermcap = tigetstr("XM");
+    if (!VALID_STRING(xtermcap)) {
+	fprintf(stderr, "couldn't get XM terminfo");
+	return;
+    }
+
+    putp(tgoto(xtermcap, 1, 1));
+    fflush(stdout);
+
+    while (1) {
+	int c = getc(stdin);
+	const char *pretty;
+
+	if (c == -1 || c == '\003') {
+	    break;
+	} else if (c == '\033') {
+	    printf("\r\n\\E");
+	} else if ((pretty = unctrl((chtype) c)) != NULL) {
+	    printf("%s", pretty);
+	} else if (isprint(c)) {
+	    printf("%c", c);
+	} else {
+	    printf("{%x}", UChar(c));
+	}
+    }
+
+    putp(tgoto(xtermcap, 0, 0));
+    fflush(stdout);
+    noraw();
+}
+
+static void logw(const char *fmt, ...) GCC_PRINTFLIKE(1, 2);
+
+static void
+logw(const char *fmt, ...)
+{
+    int row = getcury(stdscr);
+    va_list args;
+
+    va_start(args, fmt);
+    wmove(stdscr, row++, 0);
+    vw_printw(stdscr, fmt, args);
+    va_end(args);
+
+    clrtoeol();
+
+    row %= (getmaxy(stdscr) - logoffset);
+    if (row < logoffset) {
+	row = logoffset;
+    }
+
+    wmove(stdscr, row, 0);
+    wprintw(stdscr, ">");
+    clrtoeol();
+}
+
+static void
+cooked_loop(char *my_environ, int interval)
+{
+    MEVENT event;
+
+    initscr();
+    noecho();
+    cbreak();			/* Line buffering disabled; pass everything */
+    nonl();
+    keypad(stdscr, TRUE);
+
+    /* Get all the mouse events */
+    mousemask(ALL_MOUSE_EVENTS | REPORT_MOUSE_POSITION, NULL);
+    mouseinterval(interval);
+
+    logw("Ctrl-c to quit");
+    logw("--------------");
+    if (my_environ)
+	logw("%s", my_environ);
+    logoffset = getcury(stdscr);
+
+    while (1) {
+	int c = getch();
+
+	switch (c) {
+	case KEY_MOUSE:
+	    if (getmouse(&event) == OK) {
+		unsigned btn;
+		mmask_t events;
+#if NCURSES_MOUSE_VERSION > 1
+		const unsigned max_btn = 5;
+#else
+		const unsigned max_btn = 4;
+#endif
+		const mmask_t btn_mask = (NCURSES_BUTTON_RELEASED |
+					  NCURSES_BUTTON_PRESSED |
+					  NCURSES_BUTTON_CLICKED |
+					  NCURSES_DOUBLE_CLICKED |
+					  NCURSES_TRIPLE_CLICKED);
+		bool found = FALSE;
+		for (btn = 1; btn <= max_btn; btn++) {
+		    events = (mmask_t) (event.bstate
+					& NCURSES_MOUSE_MASK(btn, btn_mask));
+		    if (events == 0)
+			continue;
+#define ShowQ(btn,name) \
+	(((event.bstate & NCURSES_MOUSE_MASK(btn, NCURSES_ ## name)) != 0) \
+	 ? (" " #name) \
+	 : "")
+#define ShowM(name) \
+	(((event.bstate & NCURSES_MOUSE_MASK(btn, BUTTON_ ## name)) != 0) \
+	 ? (" " #name) \
+	 : "")
+#define ShowP() \
+	 ((event.bstate & REPORT_MOUSE_POSITION) != 0 \
+	  ? " position" \
+	  : "")
+		    logw("[%08lX] button %d%s%s%s%s%s%s%s%s%s @ %d, %d",
+			 (unsigned long) events,
+			 btn,
+			 ShowQ(btn, BUTTON_RELEASED),
+			 ShowQ(btn, BUTTON_PRESSED),
+			 ShowQ(btn, BUTTON_CLICKED),
+			 ShowQ(btn, DOUBLE_CLICKED),
+			 ShowQ(btn, TRIPLE_CLICKED),
+			 ShowM(SHIFT),
+			 ShowM(CTRL),
+			 ShowM(ALT),
+			 ShowP(),
+			 event.y, event.x);
+		    found = TRUE;
+		}
+		/*
+		 * A position report need not have a button associated with it.
+		 * The modifiers probably are unused.
+		 */
+		if (!found && (event.bstate & REPORT_MOUSE_POSITION)) {
+		    logw("[%08lX]%s%s%s%s @ %d, %d",
+			 (unsigned long) events,
+			 ShowM(SHIFT),
+			 ShowM(CTRL),
+			 ShowM(ALT),
+			 ShowP(),
+			 event.y, event.x);
+		}
+	    }
+	    break;
+	case '\003':
+	    goto end;
+	default:
+	    logw("got another char: 0x%x", UChar(c));
+	}
+	refresh();
+    }
+  end:
+    endwin();
+}
+
+static void
+usage(int ok)
+{
+    static const char *msg[] =
+    {
+	"Usage: test_mouse [options]"
+	,""
+	,"Test mouse events.  These examples for $TERM demonstrate xterm"
+	,"features:"
+	,"    xterm"
+	,"    xterm-1002"
+	,"    xterm-1003"
+	,""
+	,USAGE_COMMON
+	,"Options:"
+	," -r       show raw input stream, injecting a new line before every ESC"
+	," -i n     set mouse interval to n; default is 0 (no double-clicks)"
+	," -T term  use terminal description other than $TERM"
+    };
+    unsigned n;
+    for (n = 0; n < sizeof(msg) / sizeof(char *); ++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[])
+{
+    bool rawmode = FALSE;
+    int interval = 0;
+    int ch;
+    size_t my_len;
+    char *my_environ = NULL;
+    const char *term_format = "TERM=%s";
+
+    while ((ch = getopt(argc, argv, OPTS_COMMON "i:rT:")) != -1) {
+	switch (ch) {
+	case 'i':
+	    interval = atoi(optarg);
+	    break;
+	case 'r':
+	    rawmode = TRUE;
+	    break;
+	case 'T':
+	    my_len = strlen(term_format) + strlen(optarg) + 1;
+	    my_environ = malloc(my_len);
+	    if (my_environ != NULL) {
+		_nc_SPRINTF(my_environ, _nc_SLIMIT(my_len) term_format, optarg);
+		putenv(my_environ);
+	    }
+	    break;
+	case OPTS_VERSION:
+	    show_version(argv);
+	    ExitProgram(EXIT_SUCCESS);
+	default:
+	    usage(ch == OPTS_USAGE);
+	    /* NOTREACHED */
+	}
+    }
+    if (optind < argc) {
+	usage(FALSE);
+	ExitProgram(EXIT_FAILURE);
+    }
+
+    if (rawmode) {
+	raw_loop();
+    } else {
+	cooked_loop(my_environ, interval);
+    }
+
+    ExitProgram(EXIT_SUCCESS);
+}
+#else
+int
+main(void)
+{
+    printf("This program requires the ncurses library\n");
+    ExitProgram(EXIT_FAILURE);
+}
+#endif