tests: More ieee802_11_vendor_ie_concat() coverage

Signed-off-by: Jouni Malinen <j@w1.fi>

src/common/common_module_tests.c

@@ -84,6 +84,7 @@ static const struct ieee802_11_parse_test_data parse_tests[] = {
 static int ieee802_11_parse_tests(void)
 {
 	int i, ret = 0;
+	struct wpabuf *buf;
 
 	wpa_printf(MSG_INFO, "ieee802_11_parse tests");
 
@@ -109,6 +110,35 @@ static int ieee802_11_parse_tests(void)
 		ret = -1;
 	}
 
+	buf = ieee802_11_vendor_ie_concat((const u8 *) "\xdd\x05\x11\x22\x33\x44\x01\xdd\x05\x11\x22\x33\x44\x02\x00\x01",
+					  16, 0x11223344);
+	do {
+		const u8 *pos;
+
+		if (!buf) {
+			wpa_printf(MSG_ERROR,
+				   "ieee802_11_vendor_ie_concat test 2 failed");
+			ret = -1;
+			break;
+		}
+
+		if (wpabuf_len(buf) != 2) {
+			wpa_printf(MSG_ERROR,
+				   "ieee802_11_vendor_ie_concat test 3 failed");
+			ret = -1;
+			break;
+		}
+
+		pos = wpabuf_head(buf);
+		if (pos[0] != 0x01 || pos[1] != 0x02) {
+			wpa_printf(MSG_ERROR,
+				   "ieee802_11_vendor_ie_concat test 3 failed");
+			ret = -1;
+			break;
+		}
+	} while (0);
+	wpabuf_free(buf);
+
 	return ret;
 }