diff --git a/test/Makefile.am b/test/Makefile.am
--- a/test/Makefile.am
+++ b/test/Makefile.am
@@ -1,6 +1,6 @@ check_PROGRAMS=control pcm pcm_min laten
 check_PROGRAMS=control pcm pcm_min latency seq \
 	       playmidi1 timer rawmidi midiloop \
-	       oldapi queue_timer namehint
+	       oldapi queue_timer namehint event_filter
 
 control_LDADD=../src/libasound.la
 pcm_LDADD=../src/libasound.la
@@ -15,6 +15,7 @@ queue_timer_LDADD=../src/libasound.la
 queue_timer_LDADD=../src/libasound.la
 namehint_LDADD=../src/libasound.la
 code_CFLAGS=-Wall -pipe -g -O2
+event_filter_LDADD=../src/libasound.la
 
 INCLUDES=-I$(top_srcdir)/include
 AM_CFLAGS=-Wall -pipe -g
diff --git a/test/event_filter.c b/test/event_filter.c
new file mode 100644
--- /dev/null
+++ b/test/event_filter.c
@@ -0,0 +1,49 @@
+#include <alsa/asoundlib.h>
+
+int main(void) {
+	snd_seq_t *seq;
+	snd_seq_client_info_t *client_info;
+	const unsigned char *event_filter;
+	int isnote;
+	int ispgmc;
+	int oldnote;
+
+	snd_seq_client_info_alloca(&client_info);
+	snd_seq_open(&seq, "default", SND_SEQ_OPEN_DUPLEX, 0);
+
+	snd_seq_get_client_info(seq, client_info);
+	event_filter = snd_seq_client_info_get_event_filter(client_info);
+	printf("Initial event_filter=0x%p\n", event_filter);
+
+	snd_seq_set_client_event_filter(seq, SND_SEQ_EVENT_NOTEON);
+	snd_seq_get_client_info(seq, client_info);
+	event_filter = snd_seq_client_info_get_event_filter(client_info);
+	isnote = snd_seq_get_bit(SND_SEQ_EVENT_NOTEON, (void *) event_filter);
+	printf("after snd_seq_set_client_event (EVENT_NOTEON)    : "
+		"event_filter=0x%p isnote=%d\n",
+		event_filter, isnote);
+	oldnote = snd_seq_change_bit(SND_SEQ_EVENT_NOTEON, (void *) event_filter);
+	isnote = snd_seq_get_bit(SND_SEQ_EVENT_NOTEON, (void *) event_filter);
+	printf("after snd_seq_change_bit                         : "
+		"event_filter=0x%p isnote=%d oldnote=%d\n ==> %s %s\n",
+		event_filter, isnote, oldnote, "snd_seq_change_bit",
+		(isnote == 0 ? "changed" : "ERROR: NOT CHANGED"));
+
+	snd_seq_get_client_info(seq, client_info);
+	snd_seq_client_info_set_event_filter(client_info, NULL);
+	snd_seq_set_client_info(seq, client_info);
+	event_filter = snd_seq_client_info_get_event_filter(client_info);
+	printf("after snd_seq_client_info_set_event_filter(NULL) : "
+		"event_filter=0x%p\n",
+		event_filter);
+	
+	snd_seq_set_client_event_filter(seq, SND_SEQ_EVENT_PGMCHANGE);
+	snd_seq_get_client_info(seq, client_info);
+	event_filter = snd_seq_client_info_get_event_filter(client_info);
+	isnote = snd_seq_get_bit(SND_SEQ_EVENT_NOTEON, (void *) event_filter);
+	ispgmc = snd_seq_get_bit(SND_SEQ_EVENT_PGMCHANGE, (void *) event_filter);
+	printf("after snd_seq_set_client_event (EVENT_PGMCHANGE) : "
+		"event_filter=0x%p isnote=%d ispgmc=%d\n ==> %s %s\n",
+		event_filter, isnote, ispgmc, "snd_seq_client_info_set_event_filter(NULL)",
+		(isnote == 0 ? "cleared" : "ERROR: NOT CLEARED"));
+}