jansson/test/testprogs/test_object.c
Petri Lehtinen 234ee47281 Better argument validation
All pointer arguments are now tested for NULL. json_string() now also
tests that strdup() succeeds. This is to ensure that no NULL values
end up in data structures.

Also desribe the different sources of errors in documentation.
2009-09-06 22:24:55 +03:00

133 lines
3.7 KiB
C

/*
* Copyright (c) 2009 Petri Lehtinen <petri@digip.org>
*
* Jansson is free software; you can redistribute it and/or modify
* it under the terms of the MIT license. See LICENSE for details.
*/
#include <jansson.h>
#include "util.h"
int main()
{
json_t *object, *string, *other_string, *value;
object = json_object();
string = json_string("test");
other_string = json_string("other");
if(!object)
fail("unable to create object");
if(!string)
fail("unable to create string");
if(!other_string)
fail("unable to create string");
if(json_object_get(object, "a"))
fail("value for nonexisting key");
if(json_object_set(object, "a", string))
fail("unable to set value");
if(!json_object_set(object, NULL, string))
fail("able to set NULL key");
if(!json_object_set(object, "a", NULL))
fail("able to set NULL value");
iter = json_object_iter(object);
if(!iter)
fail("unable to get iterator");
if(strcmp(json_object_iter_key(iter), "a"))
fail("iterating failed: wrong key");
if(json_object_iter_value(iter) != string)
fail("iterating failed: wrong value");
if(json_object_iter_next(object, iter) != NULL)
fail("able to iterate over the end");
/* invalid UTF-8 in key */
if(!json_object_set(object, "a\xefz", string))
fail("able to set invalid unicode key");
value = json_object_get(object, "a");
if(!value)
fail("no value for existing key");
if(value != string)
fail("got different value than what was added");
/* "a", "lp" and "px" collide in a five-bucket hashtable */
if(json_object_set(object, "b", string) ||
json_object_set(object, "lp", string) ||
json_object_set(object, "px", string))
fail("unable to set value");
value = json_object_get(object, "a");
if(!value)
fail("no value for existing key");
if(value != string)
fail("got different value than what was added");
if(json_object_set(object, "a", other_string))
fail("unable to replace an existing key");
value = json_object_get(object, "a");
if(!value)
fail("no value for existing key");
if(value != other_string)
fail("got different value than what was set");
if(!json_object_del(object, "nonexisting"))
fail("able to delete a nonexisting key");
if(json_object_del(object, "px"))
fail("unable to delete an existing key");
if(json_object_del(object, "a"))
fail("unable to delete an existing key");
if(json_object_del(object, "lp"))
fail("unable to delete an existing key");
/* add many keys to initiate rehashing */
if(json_object_set(object, "a", string))
fail("unable to set value");
if(json_object_set(object, "lp", string))
fail("unable to set value");
if(json_object_set(object, "px", string))
fail("unable to set value");
if(json_object_set(object, "c", string))
fail("unable to set value");
if(json_object_set(object, "d", string))
fail("unable to set value");
if(json_object_set(object, "e", string))
fail("unable to set value");
if(json_object_set_new(object, "foo", json_integer(123)))
fail("unable to set new value");
value = json_object_get(object, "foo");
if(!json_is_integer(value) || json_integer_value(value) != 123)
fail("json_object_set_new works incorrectly");
if(!json_object_set_new(object, NULL, json_integer(432)))
fail("able to set_new NULL key");
if(!json_object_set_new(object, "foo", NULL))
fail("able to set_new NULL value");
json_decref(string);
json_decref(other_string);
json_decref(object);
return 0;
}