+/*
+ * The test case isn't obvious so I should probably document why
+ * it works the way it does. Bug 442914 was caused by a bug
+ * in the logic in memcached_purge (it did not handle the case
+ * where the number of bytes sent was equal to the watermark).
+ * In this test case, create messages so that we hit that case
+ * and then disable noreply mode and issue a new command to
+ * verify that it isn't stuck. If we change the format for the
+ * delete command or the watermarks, we need to update this
+ * test....
+ */
+static test_return regression_bug_442914(memcached_st *memc)
+{
+ memcached_return rc;
+ rc= memcached_behavior_set(memc, MEMCACHED_BEHAVIOR_NOREPLY, 1);
+ assert(rc == MEMCACHED_SUCCESS);
+ memcached_behavior_set(memc, MEMCACHED_BEHAVIOR_TCP_NODELAY, 1);
+
+ uint32_t number_of_hosts= memc->number_of_hosts;
+ memc->number_of_hosts= 1;
+
+ char k[250];
+ size_t len;
+
+ for (int x= 0; x < 250; ++x)
+ {
+ len= (size_t)snprintf(k, sizeof(k), "%0250u", x);
+ rc= memcached_delete(memc, k, len, 0);
+ assert(rc == MEMCACHED_SUCCESS || rc == MEMCACHED_BUFFERED);
+ }
+
+ len= (size_t)snprintf(k, sizeof(k), "%037u", 251);
+ rc= memcached_delete(memc, k, len, 0);
+ assert(rc == MEMCACHED_SUCCESS || rc == MEMCACHED_BUFFERED);
+
+ rc= memcached_behavior_set(memc, MEMCACHED_BEHAVIOR_NOREPLY, 0);
+ assert(rc == MEMCACHED_SUCCESS);
+ rc= memcached_delete(memc, k, len, 0);
+ assert(rc == MEMCACHED_NOTFOUND);
+
+ memc->number_of_hosts= number_of_hosts;
+
+ return TEST_SUCCESS;
+}
+