4cd777712b
It's now an error to try to add an object or array to itself. The encoder checks for circular references and fails with an error status if one is detected.
299 lines
8.0 KiB
C
299 lines
8.0 KiB
C
/*
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* Copyright (c) 2009 Petri Lehtinen <petri@digip.org>
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*
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* Jansson is free software; you can redistribute it and/or modify
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* it under the terms of the MIT license. See LICENSE for details.
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*/
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#include <jansson.h>
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#include <string.h>
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#include "util.h"
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static void test_clear()
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{
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json_t *object, *ten;
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object = json_object();
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ten = json_integer(10);
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if(!object)
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fail("unable to create object");
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if(!ten)
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fail("unable to create integer");
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if(json_object_set(object, "a", ten) ||
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json_object_set(object, "b", ten) ||
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json_object_set(object, "c", ten) ||
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json_object_set(object, "d", ten) ||
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json_object_set(object, "e", ten))
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fail("unable to set value");
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if(json_object_size(object) != 5)
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fail("invalid size");
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json_object_clear(object);
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if(json_object_size(object) != 0)
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fail("invalid size after clear");
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json_decref(ten);
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json_decref(object);
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}
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static void test_update()
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{
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json_t *object, *other, *nine, *ten;
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object = json_object();
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other = json_object();
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nine = json_integer(9);
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ten = json_integer(10);
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if(!object || !other)
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fail("unable to create object");
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if(!nine || !ten)
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fail("unable to create integer");
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/* update an empty object with an empty object */
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if(json_object_update(object, other))
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fail("unable to update an emtpy object with an empty object");
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if(json_object_size(object) != 0)
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fail("invalid size after update");
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if(json_object_size(other) != 0)
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fail("invalid size for updater after update");
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/* update an empty object with a nonempty object */
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if(json_object_set(other, "a", ten) ||
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json_object_set(other, "b", ten) ||
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json_object_set(other, "c", ten) ||
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json_object_set(other, "d", ten) ||
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json_object_set(other, "e", ten))
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fail("unable to set value");
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if(json_object_update(object, other))
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fail("unable to update an empty object");
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if(json_object_size(object) != 5)
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fail("invalid size after update");
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if(json_object_get(object, "a") != ten ||
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json_object_get(object, "b") != ten ||
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json_object_get(object, "c") != ten ||
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json_object_get(object, "d") != ten ||
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json_object_get(object, "e") != ten)
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fail("update works incorrectly");
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/* perform the same update again */
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if(json_object_update(object, other))
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fail("unable to update an empty object");
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if(json_object_size(object) != 5)
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fail("invalid size after update");
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if(json_object_get(object, "a") != ten ||
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json_object_get(object, "b") != ten ||
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json_object_get(object, "c") != ten ||
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json_object_get(object, "d") != ten ||
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json_object_get(object, "e") != ten)
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fail("update works incorrectly");
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/* update a nonempty object with a nonempty object with both old
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and new keys */
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if(json_object_clear(other))
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fail("clear failed");
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if(json_object_set(other, "a", nine) ||
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json_object_set(other, "b", nine) ||
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json_object_set(other, "f", nine) ||
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json_object_set(other, "g", nine) ||
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json_object_set(other, "h", nine))
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fail("unable to set value");
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if(json_object_update(object, other))
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fail("unable to update a nonempty object");
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if(json_object_size(object) != 8)
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fail("invalid size after update");
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if(json_object_get(object, "a") != nine ||
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json_object_get(object, "b") != nine ||
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json_object_get(object, "f") != nine ||
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json_object_get(object, "g") != nine ||
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json_object_get(object, "h") != nine)
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fail("update works incorrectly");
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json_decref(nine);
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json_decref(ten);
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json_decref(other);
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json_decref(object);
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}
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static void test_circular()
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{
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json_t *object1, *object2;
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object1 = json_object();
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object2 = json_object();
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if(!object1 || !object2)
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fail("unable to create object");
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/* the simple case is checked */
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if(json_object_set(object1, "a", object1) == 0)
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fail("able to set self");
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/* create circular references */
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if(json_object_set(object1, "a", object2) ||
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json_object_set(object2, "a", object1))
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fail("unable to set value");
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/* circularity is detected when dumping */
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if(json_dumps(object1, 0) != NULL)
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fail("able to dump circulars");
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/* decref twice to deal with the circular references */
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json_decref(object1);
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json_decref(object2);
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json_decref(object1);
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}
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static void test_misc()
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{
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json_t *object, *string, *other_string, *value;
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void *iter;
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object = json_object();
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string = json_string("test");
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other_string = json_string("other");
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if(!object)
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fail("unable to create object");
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if(!string || !other_string)
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fail("unable to create string");
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if(json_object_get(object, "a"))
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fail("value for nonexisting key");
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if(json_object_set(object, "a", string))
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fail("unable to set value");
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if(!json_object_set(object, NULL, string))
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fail("able to set NULL key");
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if(!json_object_set(object, "a", NULL))
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fail("able to set NULL value");
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iter = json_object_iter(object);
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if(!iter)
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fail("unable to get iterator");
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if(strcmp(json_object_iter_key(iter), "a"))
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fail("iterating failed: wrong key");
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if(json_object_iter_value(iter) != string)
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fail("iterating failed: wrong value");
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if(json_object_iter_next(object, iter) != NULL)
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fail("able to iterate over the end");
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/* invalid UTF-8 in key */
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if(!json_object_set(object, "a\xefz", string))
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fail("able to set invalid unicode key");
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value = json_object_get(object, "a");
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if(!value)
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fail("no value for existing key");
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if(value != string)
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fail("got different value than what was added");
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/* "a", "lp" and "px" collide in a five-bucket hashtable */
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if(json_object_set(object, "b", string) ||
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json_object_set(object, "lp", string) ||
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json_object_set(object, "px", string))
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fail("unable to set value");
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value = json_object_get(object, "a");
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if(!value)
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fail("no value for existing key");
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if(value != string)
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fail("got different value than what was added");
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if(json_object_set(object, "a", other_string))
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fail("unable to replace an existing key");
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value = json_object_get(object, "a");
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if(!value)
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fail("no value for existing key");
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if(value != other_string)
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fail("got different value than what was set");
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if(!json_object_del(object, "nonexisting"))
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fail("able to delete a nonexisting key");
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if(json_object_del(object, "px"))
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fail("unable to delete an existing key");
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if(json_object_del(object, "a"))
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fail("unable to delete an existing key");
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if(json_object_del(object, "lp"))
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fail("unable to delete an existing key");
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/* add many keys to initiate rehashing */
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if(json_object_set(object, "a", string))
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fail("unable to set value");
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if(json_object_set(object, "lp", string))
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fail("unable to set value");
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if(json_object_set(object, "px", string))
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fail("unable to set value");
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if(json_object_set(object, "c", string))
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fail("unable to set value");
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if(json_object_set(object, "d", string))
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fail("unable to set value");
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if(json_object_set(object, "e", string))
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fail("unable to set value");
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if(json_object_set_new(object, "foo", json_integer(123)))
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fail("unable to set new value");
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value = json_object_get(object, "foo");
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if(!json_is_integer(value) || json_integer_value(value) != 123)
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fail("json_object_set_new works incorrectly");
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if(!json_object_set_new(object, NULL, json_integer(432)))
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fail("able to set_new NULL key");
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if(!json_object_set_new(object, "foo", NULL))
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fail("able to set_new NULL value");
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json_decref(string);
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json_decref(other_string);
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json_decref(object);
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}
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int main()
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{
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test_misc();
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test_clear();
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test_update();
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test_circular();
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return 0;
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}
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