tests: New test-suite-only command __cmd

[empserver] / src / lib / player / dispatch.c

diff --git a/src/lib/player/dispatch.c b/src/lib/player/dispatch.c
index 681156e1f5026c6412ff8e65c704f218e3f903b7..50379b48b1aa4e90cc242f7581e734a5370052cd 100644 (file)
--- a/src/lib/player/dispatch.c
+++ b/src/lib/player/dispatch.c
@@ -46,6 +46,7 @@
 #include "player.h"
 #include "prototypes.h"
 #include "server.h"
+#include "testing.h"
 
 /*
  * Last command's PRNG seed.
@@ -101,9 +102,12 @@ dispatch(char *buf, char *redir)
      * When running the test suite, reseed PRNG for each command with
      * a counter, to keep results stable even when the number of PRNs
      * consumed changes.
+     * Tests can adjust the counter with "__cmd added ...", to
+     * keep the results stable when commands are inserted or deleted.
      */
+    test_suite_prng_seed += !(command->c_permit & TESTING);
     if (running_test_suite)
-       seed_prng(++test_suite_prng_seed);
+       seed_prng(test_suite_prng_seed);
 
     if (redir) {
        prredir(redir);