453e4c0aa2
When encoding an array or object ends in an error, the visited flag wasn't zeroed, causing subsequent encoding attempts to fail. This patch fixes the problem by always zeroing the visited flag.
90 lines
2.5 KiB
C
90 lines
2.5 KiB
C
/*
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* Copyright (c) 2009, 2010 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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int main()
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{
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json_t *json;
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char *result;
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/* Encode an empty object/array, add an item, encode again */
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json = json_object();
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result = json_dumps(json, 0);
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if(!result || strcmp(result, "{}"))
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fail("json_dumps failed");
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json_object_set_new(json, "foo", json_integer(5));
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result = json_dumps(json, 0);
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if(!result || strcmp(result, "{\"foo\": 5}"))
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fail("json_dumps failed");
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json_decref(json);
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json = json_array();
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result = json_dumps(json, 0);
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if(!result || strcmp(result, "[]"))
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fail("json_dumps failed");
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free(result);
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json_array_append_new(json, json_integer(5));
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result = json_dumps(json, 0);
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if(!result || strcmp(result, "[5]"))
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fail("json_dumps failed");
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free(result);
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json_decref(json);
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/* Construct a JSON object/array with a circular reference:
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object: {"a": {"b": {"c": <circular reference to $.a>}}}
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array: [[[<circular reference to the $[0] array>]]]
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Encode it, remove the circular reference and encode again.
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*/
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json = json_object();
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json_object_set_new(json, "a", json_object());
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json_object_set_new(json_object_get(json, "a"), "b", json_object());
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json_object_set(json_object_get(json_object_get(json, "a"), "b"), "c",
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json_object_get(json, "a"));
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if(json_dumps(json, 0))
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fail("json_dumps encoded a circular reference!");
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json_object_del(json_object_get(json_object_get(json, "a"), "b"), "c");
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result = json_dumps(json, 0);
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if(!result || strcmp(result, "{\"a\": {\"b\": {}}}"))
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fail("json_dumps failed!");
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free(result);
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json_decref(json);
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json = json_array();
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json_array_append_new(json, json_array());
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json_array_append_new(json_array_get(json, 0), json_array());
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json_array_append(json_array_get(json_array_get(json, 0), 0),
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json_array_get(json, 0));
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if(json_dumps(json, 0))
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fail("json_dumps encoded a circular reference!");
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json_array_remove(json_array_get(json_array_get(json, 0), 0), 0);
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result = json_dumps(json, 0);
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if(!result || strcmp(result, "[[[]]]"))
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fail("json_dumps failed!");
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free(result);
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json_decref(json);
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return 0;
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}
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