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/*
* Copyright (c) 2009-2013 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 <string.h>
#include "util.h"
static int encode_null_callback(const char *buffer, size_t size, void *data)
{
(void)buffer;
(void)size;
(void)data;
return 0;
}
static void encode_null()
{
if(json_dumps(NULL, JSON_ENCODE_ANY) != NULL)
fail("json_dumps didn't fail for NULL");
if(json_dumpf(NULL, stderr, JSON_ENCODE_ANY) != -1)
fail("json_dumpf didn't fail for NULL");
/* Don't test json_dump_file to avoid creating a file */
if(json_dump_callback(NULL, encode_null_callback, NULL, JSON_ENCODE_ANY) != -1)
fail("json_dump_callback didn't fail for NULL");
}
static void encode_twice()
{
/* Encode an empty object/array, add an item, encode again */
json_t *json;
char *result;
json = json_object();
result = json_dumps(json, 0);
if(!result || strcmp(result, "{}"))
fail("json_dumps failed");
free(result);
json_object_set_new(json, "foo", json_integer(5));
result = json_dumps(json, 0);
if(!result || strcmp(result, "{\"foo\": 5}"))
fail("json_dumps failed");
free(result);
json_decref(json);
json = json_array();
result = json_dumps(json, 0);
if(!result || strcmp(result, "[]"))
fail("json_dumps failed");
free(result);
json_array_append_new(json, json_integer(5));
result = json_dumps(json, 0);
if(!result || strcmp(result, "[5]"))
fail("json_dumps failed");
free(result);
json_decref(json);
}
static void circular_references()
{
/* Construct a JSON object/array with a circular reference:
object: {"a": {"b": {"c": <circular reference to $.a>}}}
array: [[[<circular reference to the $[0] array>]]]
Encode it, remove the circular reference and encode again.
*/
json_t *json;
char *result;
json = json_object();
json_object_set_new(json, "a", json_object());
json_object_set_new(json_object_get(json, "a"), "b", json_object());
json_object_set(json_object_get(json_object_get(json, "a"), "b"), "c",
json_object_get(json, "a"));
if(json_dumps(json, 0))
fail("json_dumps encoded a circular reference!");
json_object_del(json_object_get(json_object_get(json, "a"), "b"), "c");
result = json_dumps(json, 0);
if(!result || strcmp(result, "{\"a\": {\"b\": {}}}"))
fail("json_dumps failed!");
free(result);
json_decref(json);
json = json_array();
json_array_append_new(json, json_array());
json_array_append_new(json_array_get(json, 0), json_array());
json_array_append(json_array_get(json_array_get(json, 0), 0),
json_array_get(json, 0));
if(json_dumps(json, 0))
fail("json_dumps encoded a circular reference!");
json_array_remove(json_array_get(json_array_get(json, 0), 0), 0);
result = json_dumps(json, 0);
if(!result || strcmp(result, "[[[]]]"))
fail("json_dumps failed!");
free(result);
json_decref(json);
}
static void encode_other_than_array_or_object()
{
/* Encoding anything other than array or object should only
* succeed if the JSON_ENCODE_ANY flag is used */
json_t *json;
FILE *fp = NULL;
char *result;
json = json_string("foo");
if(json_dumps(json, 0) != NULL)
fail("json_dumps encoded a string!");
if(json_dumpf(json, fp, 0) == 0)
fail("json_dumpf encoded a string!");
result = json_dumps(json, JSON_ENCODE_ANY);
if(!result || strcmp(result, "\"foo\"") != 0)
fail("json_dumps failed to encode a string with JSON_ENCODE_ANY");
free(result);
json_decref(json);
json = json_integer(42);
if(json_dumps(json, 0) != NULL)
fail("json_dumps encoded an integer!");
if(json_dumpf(json, fp, 0) == 0)
fail("json_dumpf encoded an integer!");
result = json_dumps(json, JSON_ENCODE_ANY);
if(!result || strcmp(result, "42") != 0)
fail("json_dumps failed to encode an integer with JSON_ENCODE_ANY");
free(result);
json_decref(json);
}
static void escape_slashes()
{
/* Test dump escaping slashes */
json_t *json;
char *result;
json = json_object();
json_object_set_new(json, "url", json_string("https://github.com/akheron/jansson"));
result = json_dumps(json, 0);
if(!result || strcmp(result, "{\"url\": \"https://github.com/akheron/jansson\"}"))
fail("json_dumps failed to not escape slashes");
free(result);
result = json_dumps(json, JSON_ESCAPE_SLASH);
if(!result || strcmp(result, "{\"url\": \"https:\\/\\/github.com\\/akheron\\/jansson\"}"))
fail("json_dumps failed to escape slashes");
free(result);
json_decref(json);
}
static void encode_nul_byte()
{
json_t *json;
char *result;
json = json_stringn("nul byte \0 in string", 20);
result = json_dumps(json, JSON_ENCODE_ANY);
if(!result || memcmp(result, "\"nul byte \\u0000 in string\"", 27))
fail("json_dumps failed to dump an embedded NUL byte");
free(result);
json_decref(json);
}
static void run_tests()
{
encode_null();
encode_twice();
circular_references();
encode_other_than_array_or_object();
escape_slashes();
encode_nul_byte();
}
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