+static test_return_t increment_by_key_test(memcached_st *memc)
+{
+ uint64_t new_number;
+ memcached_return rc;
+ const char *master_key= "foo";
+ const char *key= "number";
+ const char *value= "0";
+
+ rc= memcached_set_by_key(memc, master_key, strlen(master_key),
+ key, strlen(key),
+ value, strlen(value),
+ (time_t)0, (uint32_t)0);
+ assert(rc == MEMCACHED_SUCCESS || rc == MEMCACHED_BUFFERED);
+
+ rc= memcached_increment_by_key(memc, master_key, strlen(master_key), key, strlen(key),
+ 1, &new_number);
+ assert(rc == MEMCACHED_SUCCESS);
+ assert(new_number == 1);
+
+ rc= memcached_increment_by_key(memc, master_key, strlen(master_key), key, strlen(key),
+ 1, &new_number);
+ assert(rc == MEMCACHED_SUCCESS);
+ assert(new_number == 2);
+
+ return TEST_SUCCESS;
+}
+
+static test_return_t increment_with_initial_by_key_test(memcached_st *memc)
+{
+ if (memcached_behavior_get(memc, MEMCACHED_BEHAVIOR_BINARY_PROTOCOL) != 0)
+ {
+ uint64_t new_number;
+ memcached_return rc;
+ const char *master_key= "foo";
+ const char *key= "number";
+ uint64_t initial= 0;
+
+ rc= memcached_increment_with_initial_by_key(memc, master_key, strlen(master_key),
+ key, strlen(key),
+ 1, initial, 0, &new_number);
+ assert(rc == MEMCACHED_SUCCESS);
+ assert(new_number == initial);
+
+ rc= memcached_increment_with_initial_by_key(memc, master_key, strlen(master_key),
+ key, strlen(key),
+ 1, initial, 0, &new_number);
+ assert(rc == MEMCACHED_SUCCESS);
+ assert(new_number == (initial + 1));
+ }
+ return TEST_SUCCESS;
+}
+
+static test_return_t decrement_by_key_test(memcached_st *memc)
+{
+ uint64_t new_number;
+ memcached_return rc;
+ const char *master_key= "foo";
+ const char *key= "number";
+ const char *value= "3";
+
+ rc= memcached_set_by_key(memc, master_key, strlen(master_key),
+ key, strlen(key),
+ value, strlen(value),
+ (time_t)0, (uint32_t)0);
+ assert(rc == MEMCACHED_SUCCESS || rc == MEMCACHED_BUFFERED);
+
+ rc= memcached_decrement_by_key(memc, master_key, strlen(master_key),
+ key, strlen(key),
+ 1, &new_number);
+ assert(rc == MEMCACHED_SUCCESS);
+ assert(new_number == 2);
+
+ rc= memcached_decrement_by_key(memc, master_key, strlen(master_key),
+ key, strlen(key),
+ 1, &new_number);
+ assert(rc == MEMCACHED_SUCCESS);
+ assert(new_number == 1);
+
+ return TEST_SUCCESS;
+}
+
+static test_return_t decrement_with_initial_by_key_test(memcached_st *memc)
+{
+ if (memcached_behavior_get(memc, MEMCACHED_BEHAVIOR_BINARY_PROTOCOL) != 0)
+ {
+ uint64_t new_number;
+ memcached_return rc;
+ const char *master_key= "foo";
+ const char *key= "number";
+ uint64_t initial= 3;
+
+ rc= memcached_decrement_with_initial_by_key(memc, master_key, strlen(master_key),
+ key, strlen(key),
+ 1, initial, 0, &new_number);
+ assert(rc == MEMCACHED_SUCCESS);
+ assert(new_number == initial);
+
+ rc= memcached_decrement_with_initial_by_key(memc, master_key, strlen(master_key),
+ key, strlen(key),
+ 1, initial, 0, &new_number);
+ assert(rc == MEMCACHED_SUCCESS);
+ assert(new_number == (initial - 1));
+ }
+ return TEST_SUCCESS;
+}
+