Add test for session_save() on small buffers
diff --git a/tests/suites/test_suite_ssl.data b/tests/suites/test_suite_ssl.data
index 206d46f..b166a9a 100644
--- a/tests/suites/test_suite_ssl.data
+++ b/tests/suites/test_suite_ssl.data
@@ -8775,3 +8775,26 @@
Session serialisation, load-save: large ticket, cert
depends_on:MBEDTLS_SSL_SESSION_TICKETS:MBEDTLS_SSL_CLI_C:MBEDTLS_X509_USE_C:MBEDTLS_PEM_PARSE_C:MBEDTLS_ECDSA_C:MBEDTLS_ECP_DP_SECP256R1_ENABLED:MBEDTLS_SHA256_C
ssl_serialise_session_load_save:1023:"data_files/server5.crt"
+
+Session serialisation, save buffer size: no ticket, no cert
+ssl_serialise_session_save_buf_size:0:""
+
+Session serialisation, save buffer size: small ticket, no cert
+depends_on:MBEDTLS_SSL_SESSION_TICKETS:MBEDTLS_SSL_CLI_C
+ssl_serialise_session_save_buf_size:42:""
+
+Session serialisation, save buffer size: large ticket, no cert
+depends_on:MBEDTLS_SSL_SESSION_TICKETS:MBEDTLS_SSL_CLI_C
+ssl_serialise_session_save_buf_size:1023:""
+
+Session serialisation, save buffer size: no ticket, cert
+depends_on:MBEDTLS_X509_USE_C:MBEDTLS_PEM_PARSE_C:MBEDTLS_ECDSA_C:MBEDTLS_ECP_DP_SECP256R1_ENABLED:MBEDTLS_SHA256_C
+ssl_serialise_session_save_buf_size:0:"data_files/server5.crt"
+
+Session serialisation, save buffer size: small ticket, cert
+depends_on:MBEDTLS_SSL_SESSION_TICKETS:MBEDTLS_SSL_CLI_C:MBEDTLS_X509_USE_C:MBEDTLS_PEM_PARSE_C:MBEDTLS_ECDSA_C:MBEDTLS_ECP_DP_SECP256R1_ENABLED:MBEDTLS_SHA256_C
+ssl_serialise_session_save_buf_size:42:"data_files/server5.crt"
+
+Session serialisation, save buffer size: large ticket, cert
+depends_on:MBEDTLS_SSL_SESSION_TICKETS:MBEDTLS_SSL_CLI_C:MBEDTLS_X509_USE_C:MBEDTLS_PEM_PARSE_C:MBEDTLS_ECDSA_C:MBEDTLS_ECP_DP_SECP256R1_ENABLED:MBEDTLS_SHA256_C
+ssl_serialise_session_save_buf_size:1023:"data_files/server5.crt"