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- /*
- * Copyright (c) 2009-2016 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 dump_file()
- {
- json_t *json;
- int result;
- result = json_dump_file(NULL, "", 0);
- if (result != -1)
- fail("json_dump_file succeeded with invalid args");
- json = json_object();
- result = json_dump_file(json, "json_dump_file.json", 0);
- if (result != 0)
- fail("json_dump_file failed");
- json_decref(json);
- remove("json_dump_file.json");
- }
- static void run_tests()
- {
- encode_null();
- encode_twice();
- circular_references();
- encode_other_than_array_or_object();
- escape_slashes();
- encode_nul_byte();
- dump_file();
- }
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