diff --git a/unit/test-mbim.c b/unit/test-mbim.c
index 4c1a021f..40b924ec 100644
--- a/unit/test-mbim.c
+++ b/unit/test-mbim.c
@@ -125,6 +125,44 @@ static const struct message_data message_data_phonebook_read = {
 	.binary_len	= sizeof(message_binary_phonebook_read),
 };
 
+static const unsigned char message_binary_sms_read_all_empty[] = {
+	0x03, 0x00, 0x00, 0x80, 0x38, 0x00, 0x00, 0x00, 0x08, 0x00, 0x00, 0x00,
+	0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x53, 0x3f, 0xbe, 0xeb,
+	0x14, 0xfe, 0x44, 0x67, 0x9f, 0x90, 0x33, 0xa2, 0x23, 0xe5, 0x6c, 0x3f,
+	0x02, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x08, 0x00, 0x00, 0x00,
+	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+};
+
+static const struct message_data message_data_sms_read_all_empty = {
+	.tid		= 8,
+	.binary		= message_binary_sms_read_all_empty,
+	.binary_len	= sizeof(message_binary_sms_read_all_empty),
+};
+
+static const unsigned char message_binary_sms_read_all[] = {
+	0x03, 0x00, 0x00, 0x80, 0xac, 0x00, 0x00, 0x00, 0x0c, 0x00, 0x00, 0x00,
+	0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x53, 0x3f, 0xbe, 0xeb,
+	0x14, 0xfe, 0x44, 0x67, 0x9f, 0x90, 0x33, 0xa2, 0x23, 0xe5, 0x6c, 0x3f,
+	0x02, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x7c, 0x00, 0x00, 0x00,
+	0x00, 0x00, 0x00, 0x00, 0x02, 0x00, 0x00, 0x00, 0x18, 0x00, 0x00, 0x00,
+	0x2f, 0x00, 0x00, 0x00, 0x48, 0x00, 0x00, 0x00, 0x31, 0x00, 0x00, 0x00,
+	0x01, 0x00, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00, 0x10, 0x00, 0x00, 0x00,
+	0x1f, 0x00, 0x00, 0x00, 0x07, 0x91, 0x61, 0x63, 0x83, 0x84, 0x29, 0xf3,
+	0x04, 0x0b, 0x91, 0x51, 0x21, 0x55, 0x30, 0x71, 0xf9, 0x00, 0x00, 0x71,
+	0x11, 0x70, 0x91, 0x62, 0x65, 0x4a, 0x04, 0xd4, 0xf2, 0x9c, 0x0e, 0x00,
+	0x02, 0x00, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00, 0x10, 0x00, 0x00, 0x00,
+	0x21, 0x00, 0x00, 0x00, 0x07, 0x91, 0x61, 0x63, 0x83, 0x84, 0x29, 0xf2,
+	0x04, 0x0b, 0x91, 0x51, 0x21, 0x55, 0x30, 0x71, 0xf9, 0x00, 0x00, 0x71,
+	0x11, 0x80, 0x41, 0x70, 0x55, 0x4a, 0x06, 0xc6, 0xf7, 0x1b, 0x74, 0x2f,
+	0x03, 0x00, 0x00, 0x00
+};
+
+static const struct message_data message_data_sms_read_all = {
+	.tid		= 0xc,
+	.binary		= message_binary_sms_read_all,
+	.binary_len	= sizeof(message_binary_sms_read_all),
+};
+
 static void do_debug(const char *str, void *user_data)
 {
 	const char *prefix = user_data;
@@ -420,6 +458,43 @@ static void build_phonebook_read(const void *data)
 	mbim_message_unref(message);
 }
 
+static void parse_sms_read_all(const void *data)
+{
+	struct mbim_message *msg = build_message(data);
+	uint32_t format;
+	uint32_t n_sms;
+	struct mbim_message_iter array;
+	struct mbim_message_iter bytes;
+	uint32_t index;
+	uint32_t status;
+	uint32_t pdu_len;
+	uint8_t pdu[176];
+	uint32_t i = 0;
+	uint32_t j = 0;
+
+	assert(mbim_message_get_arguments(msg, "ua(uuay)",
+						&format, &n_sms, &array));
+
+	assert(format == 0);
+
+	i = 0;
+
+	while (mbim_message_iter_next_entry(&array, &index, &status,
+							&pdu_len, &bytes)) {
+		i += 1;
+		j = 0;
+
+		while (mbim_message_iter_next_entry(&bytes, pdu + j))
+			j += 1;
+
+		assert(j == pdu_len);
+	}
+
+	assert(i == n_sms);
+
+	mbim_message_unref(msg);
+}
+
 int main(int argc, char *argv[])
 {
 	l_test_init(&argc, &argv);
@@ -444,5 +519,10 @@ int main(int argc, char *argv[])
 	l_test_add("Phonebook Read (build)", build_phonebook_read,
 			&message_data_phonebook_read);
 
+	l_test_add("SMS Read All [Empty] (parse)", parse_sms_read_all,
+			&message_data_sms_read_all_empty);
+	l_test_add("SMS Read All [1] (parse)", parse_sms_read_all,
+			&message_data_sms_read_all);
+
 	return l_test_run();
 }