MACSio  0.9
Multi-purpose, Application-Centric, Scalable I/O Proxy App
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testReplaceExisting.c
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1 #include <stdio.h>
2 #include <stdlib.h>
3 #include <stddef.h>
4 #include <string.h>
5 
6 #include "json.h"
7 
8 int main(int argc, char **argv)
9 {
10  MC_SET_DEBUG(1);
11 
12  /*
13  * Check that replacing an existing object keeps the key valid,
14  * and that it keeps the order the same.
15  */
16  json_object *my_object = json_object_new_object();
17  json_object_object_add(my_object, "foo1", json_object_new_string("bar1"));
18  json_object_object_add(my_object, "foo2", json_object_new_string("bar2"));
19  json_object_object_add(my_object, "deleteme", json_object_new_string("bar2"));
20  json_object_object_add(my_object, "foo3", json_object_new_string("bar3"));
21 
22  printf("==== delete-in-loop test starting ====\n");
23 
24  int orig_count = 0;
25  json_object_object_foreach(my_object, key0, val0)
26  {
27  printf("Key at index %d is [%s]", orig_count, key0);
28  if (strcmp(key0, "deleteme") == 0)
29  {
30  json_object_object_del(my_object, key0);
31  printf(" (deleted)\n");
32  }
33  else
34  printf(" (kept)\n");
35  orig_count++;
36  }
37 
38  printf("==== replace-value first loop starting ====\n");
39 
40  const char *original_key = NULL;
41  orig_count = 0;
42  json_object_object_foreach(my_object, key, val)
43  {
44  printf("Key at index %d is [%s]\n", orig_count, key);
45  orig_count++;
46  if (strcmp(key, "foo2") != 0)
47  continue;
48  printf("replacing value for key [%s]\n", key);
49  original_key = key;
50  json_object_object_add(my_object, key, json_object_new_string("zzz"));
51  }
52 
53  printf("==== second loop starting ====\n");
54 
55  int new_count = 0;
56  int retval = 0;
57  json_object_object_foreach(my_object, key2, val2)
58  {
59  printf("Key at index %d is [%s]\n", new_count, key2);
60  new_count++;
61  if (strcmp(key2, "foo2") != 0)
62  continue;
63  printf("pointer for key [%s] does %smatch\n", key2,
64  (key2 == original_key) ? "" : "NOT ");
65  if (key2 != original_key)
66  retval = 1;
67  }
68  if (new_count != orig_count)
69  {
70  printf("mismatch between original count (%d) and new count (%d)\n",
71  orig_count, new_count);
72  retval = 1;
73  }
74 
75  json_object_put( my_object );
76 
77  return retval;
78 }
void json_object_object_del(struct json_object *obj, const char *key)
Definition: json_object.c:441
struct json_object * json_object_new_string(const char *s)
Definition: json_object.c:727
struct json_object * json_object_new_object(void)
Definition: json_object.c:369
#define MC_SET_DEBUG(x)
Definition: debug.h:60
int json_object_put(struct json_object *obj)
Definition: json_object.c:155
int main(int argc, char **argv)
#define json_object_object_foreach(obj, key, val)
Definition: json_object.h:387
void json_object_object_add(struct json_object *obj, const char *key, struct json_object *val)
Definition: json_object.c:391