/* * Tests if casting within the json_object_get_* functions work correctly. * Also checks the json_object_get_type and json_object_is_type functions. */ #include #include #include #include "config.h" #include "json_inttypes.h" #include "json_object.h" #include "json_tokener.h" #include "json_util.h" static void getit(struct json_object *new_obj, const char *field); static void checktype_header(void); static void checktype(struct json_object *new_obj, const char *field); int main(int argc, char **argv) { const char *input = "{\n\ \"string_of_digits\": \"123\",\n\ \"regular_number\": 222,\n\ \"decimal_number\": 99.55,\n\ \"boolean_true\": true,\n\ \"boolean_false\": false,\n\ \"big_number\": 2147483649,\n\ \"a_null\": null,\n\ }"; /* Note: 2147483649 = INT_MAX + 2 */ struct json_object *new_obj; new_obj = json_tokener_parse(input); printf("Parsed input: %s\n", input); printf("Result is %s\n", (new_obj == NULL) ? "NULL (error!)" : "not NULL"); if (!new_obj) return 1; // oops, we failed. getit(new_obj, "string_of_digits"); getit(new_obj, "regular_number"); getit(new_obj, "decimal_number"); getit(new_obj, "boolean_true"); getit(new_obj, "boolean_false"); getit(new_obj, "big_number"); getit(new_obj, "a_null"); // Now check the behaviour of the json_object_is_type() function. printf("\n================================\n"); checktype_header(); checktype(new_obj, NULL); checktype(new_obj, "string_of_digits"); checktype(new_obj, "regular_number"); checktype(new_obj, "decimal_number"); checktype(new_obj, "boolean_true"); checktype(new_obj, "boolean_false"); checktype(new_obj, "big_number"); checktype(new_obj, "a_null"); json_object_put(new_obj); return 0; } static void getit(struct json_object *new_obj, const char *field) { struct json_object *o = NULL; if (!json_object_object_get_ex(new_obj, field, &o)) printf("Field %s does not exist\n", field); enum json_type o_type = json_object_get_type(o); printf("new_obj.%s json_object_get_type()=%s\n", field, json_type_to_name(o_type)); printf("new_obj.%s json_object_get_int()=%d\n", field, json_object_get_int(o)); printf("new_obj.%s json_object_get_int64()=%" PRId64 "\n", field, json_object_get_int64(o)); printf("new_obj.%s json_object_get_boolean()=%d\n", field, json_object_get_boolean(o)); printf("new_obj.%s json_object_get_double()=%f\n", field, json_object_get_double(o)); } static void checktype_header() { printf("json_object_is_type: %s,%s,%s,%s,%s,%s,%s\n", json_type_to_name(json_type_null), json_type_to_name(json_type_boolean), json_type_to_name(json_type_double), json_type_to_name(json_type_int), json_type_to_name(json_type_object), json_type_to_name(json_type_array), json_type_to_name(json_type_string)); } static void checktype(struct json_object *new_obj, const char *field) { struct json_object *o = new_obj; if (field && !json_object_object_get_ex(new_obj, field, &o)) printf("Field %s does not exist\n", field); printf("new_obj%s%-18s: %d,%d,%d,%d,%d,%d,%d\n", field ? "." : " ", field ? field : "", json_object_is_type(o, json_type_null), json_object_is_type(o, json_type_boolean), json_object_is_type(o, json_type_double), json_object_is_type(o, json_type_int), json_object_is_type(o, json_type_object), json_object_is_type(o, json_type_array), json_object_is_type(o, json_type_string)); }