diff --git a/tests/data/Makefile.inc b/tests/data/Makefile.inc
index 30c2937d21..5c27bdf097 100644
--- a/tests/data/Makefile.inc
+++ b/tests/data/Makefile.inc
@@ -247,4 +247,6 @@ test2300 test2301 test2302 test2303 \
test3000 test3001 test3002 test3003 test3004 test3005 test3006 test3007 \
test3008 test3009 test3010 test3011 test3012 test3013 test3014 test3015 \
test3016 test3017 test3018 test3019 test3020 test3021 test3022 test3023 \
-test3024 test3025 test3026 test3027
+test3024 test3025 test3026 test3027 \
+\
+test3100
diff --git a/tests/data/test3100 b/tests/data/test3100
new file mode 100644
index 0000000000..23ec417908
--- /dev/null
+++ b/tests/data/test3100
@@ -0,0 +1,85 @@
+
+
+#Informational
+
+
+RTSP
+RTSP Basic auth
+
+
+
+# Server-side
+
+
+RTSP/1.0 401 Unauthorized please swsbounce
+Server: RTSPD/libcurl-test
+CSeq: 1
+WWW-Authenticate: Basic realm="please-auth-me"
+
+
+
+RTSP/1.0 200 OK
+Server: RTSPD/libcurl-test
+CSeq: 2
+Content-Base: rtsp://%HOSTIP:%RTSPPORT/%TESTNUMBER
+Content-Length: 80
+Curl-private: swsclose
+
+v=0
+s=rtspd SDP
+i=A fake SDP reply
+u=http://www.curl.example.com/fakesdp.ps
+
+
+RTSP/1.0 401 Unauthorized please swsbounce
+Server: RTSPD/libcurl-test
+CSeq: 1
+WWW-Authenticate: Basic realm="please-auth-me"
+
+RTSP/1.0 200 OK
+Server: RTSPD/libcurl-test
+CSeq: 2
+Content-Base: rtsp://%HOSTIP:%RTSPPORT/%TESTNUMBER
+Content-Length: 80
+Curl-private: swsclose
+
+v=0
+s=rtspd SDP
+i=A fake SDP reply
+u=http://www.curl.example.com/fakesdp.ps
+
+
+
+# Client-Side
+
+
+rtsp
+
+
+lib%TESTNUMBER
+
+
+
+RTSP Authentication check
+
+
+rtsp://%HOSTIP:%RTSPPORT/%TESTNUMBER
+
+
+
+# Verify data after the test has been "shot"
+
+
+DESCRIBE rtsp://%HOSTIP:%RTSPPORT/%TESTNUMBER RTSP/1.0
+CSeq: 1
+Accept: application/sdp
+
+DESCRIBE rtsp://%HOSTIP:%RTSPPORT/%TESTNUMBER RTSP/1.0
+CSeq: 2
+Accept: application/sdp
+Authorization: Basic dXNlcjpwYXNzd29yZA==
+
+
+
+
+
diff --git a/tests/libtest/.gitignore b/tests/libtest/.gitignore
index 122a94e60c..1e3e9ff5f8 100644
--- a/tests/libtest/.gitignore
+++ b/tests/libtest/.gitignore
@@ -4,7 +4,7 @@
chkdecimalpoint
chkhostname
-lib[123][0-9][0-9][0-9]
+lib[1234][0-9][0-9][0-9]
lib[56][0-9][0-9]
lib1521.c
libauthretry
diff --git a/tests/libtest/Makefile.inc b/tests/libtest/Makefile.inc
index 861d79dba6..6ad9ebe2c8 100644
--- a/tests/libtest/Makefile.inc
+++ b/tests/libtest/Makefile.inc
@@ -67,7 +67,8 @@ noinst_PROGRAMS = chkhostname libauthretry libntlmconnect \
lib1933 lib1934 lib1935 lib1936 lib1937 lib1938 lib1939 lib1940 \
lib1945 lib1946 lib1947 lib1948 lib1955 \
lib2301 lib2302 \
- lib3010 lib3025 lib3026 lib3027
+ lib3010 lib3025 lib3026 lib3027 \
+ lib3100
chkdecimalpoint_SOURCES = chkdecimalpoint.c ../../lib/mprintf.c \
../../lib/dynbuf.c ../../lib/strdup.c
@@ -787,3 +788,7 @@ lib3026_CPPFLAGS = $(AM_CPPFLAGS)
lib3027_SOURCES = lib3027.c $(SUPPORTFILES) $(TESTUTIL) $(WARNLESS)
lib3027_LDADD = $(TESTUTIL_LIBS)
lib3027_CPPFLAGS = $(AM_CPPFLAGS)
+
+lib3100_SOURCES = lib3100.c $(SUPPORTFILES) $(TESTUTIL) $(WARNLESS)
+lib3100_LDADD = $(TESTUTIL_LIBS)
+lib3100_CPPFLAGS = $(AM_CPPFLAGS)
diff --git a/tests/libtest/lib3100.c b/tests/libtest/lib3100.c
new file mode 100644
index 0000000000..21cb4714bb
--- /dev/null
+++ b/tests/libtest/lib3100.c
@@ -0,0 +1,68 @@
+/***************************************************************************
+ * _ _ ____ _
+ * Project ___| | | | _ \| |
+ * / __| | | | |_) | |
+ * | (__| |_| | _ <| |___
+ * \___|\___/|_| \_\_____|
+ *
+ * Copyright (C) 1998 - 2022, Daniel Stenberg, , et al.
+ *
+ * This software is licensed as described in the file COPYING, which
+ * you should have received as part of this distribution. The terms
+ * are also available at https://curl.se/docs/copyright.html.
+ *
+ * You may opt to use, copy, modify, merge, publish, distribute and/or sell
+ * copies of the Software, and permit persons to whom the Software is
+ * furnished to do so, under the terms of the COPYING file.
+ *
+ * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+ * KIND, either express or implied.
+ *
+ * SPDX-License-Identifier: curl
+ *
+ ***************************************************************************/
+#include "test.h"
+#include "memdebug.h"
+
+int test(char *URL)
+{
+ int res;
+ CURL *curl;
+
+ if(curl_global_init(CURL_GLOBAL_ALL) != CURLE_OK) {
+ fprintf(stderr, "curl_global_init() failed\n");
+ return TEST_ERR_MAJOR_BAD;
+ }
+
+ curl = curl_easy_init();
+ if(!curl) {
+ fprintf(stderr, "curl_easy_init() failed\n");
+ curl_global_cleanup();
+ return TEST_ERR_MAJOR_BAD;
+ }
+
+ test_setopt(curl, CURLOPT_HEADERDATA, stdout);
+ test_setopt(curl, CURLOPT_WRITEDATA, stdout);
+ test_setopt(curl, CURLOPT_VERBOSE, 1L);
+
+ test_setopt(curl, CURLOPT_URL, URL);
+ test_setopt(curl, CURLOPT_RTSP_STREAM_URI, URL);
+
+ test_setopt(curl, CURLOPT_HTTPAUTH, CURLAUTH_ANY);
+ test_setopt(curl, CURLOPT_USERNAME, "user");
+ test_setopt(curl, CURLOPT_PASSWORD, "password");
+ test_setopt(curl, CURLOPT_RTSP_REQUEST, CURL_RTSPREQ_DESCRIBE);
+
+ res = curl_easy_perform(curl);
+ if(res != (int)CURLE_OK) {
+ fprintf(stderr, "Failed to send DESCRIBE: %d\n", res);
+ res = TEST_ERR_MAJOR_BAD;
+ goto test_cleanup;
+ }
+
+test_cleanup:
+ curl_easy_cleanup(curl);
+ curl_global_cleanup();
+
+ return res;
+}