testReplaceExisting.c

  1 #include <stddef.h>
  2 #include <stdio.h>
  3 #include <stdlib.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] %d", orig_count, key0, (val0 == NULL));
 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] %d\n", orig_count, key, (val == NULL));
 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] %d\n", new_count, key2, (val2 == NULL));
 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", orig_count,
 71                        new_count);
 72                 retval = 1;
 73         }
 74 
 75         json_object_put(my_object);
 76 
 77         return retval;
 78 }
 79
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Sources/json-c/tests/testReplaceExisting.c
