diff --git a/test/ssl_test_ctx.h b/test/ssl_test_ctx.h
index 499e314..418a4f2 100644
--- a/test/ssl_test_ctx.h
+++ b/test/ssl_test_ctx.h
@@ -52,6 +52,11 @@
 } ssl_session_ticket_t;
 
 typedef enum {
+    SSL_TEST_COMPRESSION_NO = 0, /* Default */
+    SSL_TEST_COMPRESSION_YES
+} ssl_compression_t;
+
+typedef enum {
     SSL_TEST_METHOD_TLS = 0, /* Default */
     SSL_TEST_METHOD_DTLS
 } ssl_test_method_t;
@@ -163,6 +168,7 @@
      */
     ssl_servername_t expected_servername;
     ssl_session_ticket_t session_ticket_expected;
+    ssl_compression_t compression_expected;
     /* The expected NPN/ALPN protocol to negotiate. */
     char *expected_npn_protocol;
     char *expected_alpn_protocol;
@@ -192,6 +198,7 @@
 const char *ssl_servername_callback_name(ssl_servername_callback_t
                                          servername_callback);
 const char *ssl_session_ticket_name(ssl_session_ticket_t server);
+const char *ssl_compression_name(ssl_compression_t server);
 const char *ssl_test_method_name(ssl_test_method_t method);
 const char *ssl_handshake_mode_name(ssl_handshake_mode_t mode);
 const char *ssl_ct_validation_name(ssl_ct_validation_t mode);