test-json.c revision dde8bb32b12c855509777ce52ff59a835155ac78
/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
/***
This file is part of systemd.
Copyright 2014 Lennart Poettering
systemd is free software; you can redistribute it and/or modify it
under the terms of the GNU Lesser General Public License as published by
the Free Software Foundation; either version 2.1 of the License, or
(at your option) any later version.
systemd is distributed in the hope that it will be useful, but
WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public License
along with systemd; If not, see <http://www.gnu.org/licenses/>.
***/
#include <math.h>
#include "util.h"
#include "json.h"
static void test_one(const char *data, ...) {
void *state = NULL;
va_list ap;
va_start(ap, data);
for (;;) {
_cleanup_free_ char *str = NULL;
union json_value v = {};
int t, tt;
t = json_tokenize(&data, &str, &v, &state, NULL);
tt = va_arg(ap, int);
assert_se(t == tt);
if (t == JSON_END || t < 0)
break;
else if (t == JSON_STRING) {
const char *nn;
nn = va_arg(ap, const char *);
assert_se(streq_ptr(nn, str));
} else if (t == JSON_REAL) {
double d;
d = va_arg(ap, double);
assert_se(fabs(d - v.real) < 0.001);
} else if (t == JSON_INTEGER) {
intmax_t i;
i = va_arg(ap, intmax_t);
assert_se(i == v.integer);
} else if (t == JSON_BOOLEAN) {
bool b;
b = va_arg(ap, int);
assert_se(b == v.boolean);
}
}
va_end(ap);
}
typedef void (*Test)(JsonVariant *);
static void test_file(const char *data, Test test) {
_cleanup_json_variant_unref_ JsonVariant *v = NULL;
int r;
r = json_parse(data, &v);
assert_se(r == 0);
assert_se(v != NULL);
assert_se(v->type == JSON_VARIANT_OBJECT);
if (test)
test(v);
}
static void test_1(JsonVariant *v) {
JsonVariant *p, *q;
unsigned i;
/* 3 keys + 3 values */
assert_se(v->size == 6);
/* has k */
p = json_variant_value(v, "k");
assert_se(p && p->type == JSON_VARIANT_STRING);
/* k equals v */
assert_se(streq(json_variant_string(p), "v"));
/* has foo */
p = json_variant_value(v, "foo");
assert_se(p && p->type == JSON_VARIANT_ARRAY && p->size == 3);
/* check foo[0] = 1, foo[1] = 2, foo[2] = 3 */
for (i = 0; i < 3; ++i) {
q = json_variant_element(p, i);
assert_se(q && q->type == JSON_VARIANT_INTEGER && json_variant_integer(q) == (i+1));
}
/* has bar */
p = json_variant_value(v, "bar");
assert_se(p && p->type == JSON_VARIANT_OBJECT && p->size == 2);
/* zap is null */
q = json_variant_value(p, "zap");
assert_se(q && q->type == JSON_VARIANT_NULL);
}
static void test_2(JsonVariant *v) {
JsonVariant *p, *q;
/* 2 keys + 2 values */
assert_se(v->size == 4);
/* has mutant */
p = json_variant_value(v, "mutant");
assert_se(p && p->type == JSON_VARIANT_ARRAY && p->size == 4);
/* mutant[0] == 1 */
q = json_variant_element(p, 0);
assert_se(q && q->type == JSON_VARIANT_INTEGER && json_variant_integer(q) == 1);
/* mutant[1] == null */
q = json_variant_element(p, 1);
assert_se(q && q->type == JSON_VARIANT_NULL);
/* mutant[2] == "1" */
q = json_variant_element(p, 2);
assert_se(q && q->type == JSON_VARIANT_STRING && streq(json_variant_string(q), "1"));
/* mutant[3] == JSON_VARIANT_OBJECT */
q = json_variant_element(p, 3);
assert_se(q && q->type == JSON_VARIANT_OBJECT && q->size == 2);
/* has 1 */
p = json_variant_value(q, "1");
assert_se(p && p->type == JSON_VARIANT_ARRAY && p->size == 2);
/* "1"[0] == 1 */
q = json_variant_element(p, 0);
assert_se(q && q->type == JSON_VARIANT_INTEGER && json_variant_integer(q) == 1);
/* "1"[1] == "1" */
q = json_variant_element(p, 1);
assert_se(q && q->type == JSON_VARIANT_STRING && streq(json_variant_string(q), "1"));
/* has blah */
p = json_variant_value(v, "blah");
assert_se(p && p->type == JSON_VARIANT_REAL && fabs(json_variant_real(p) - 1.27) < 0.001);
}
int main(int argc, char *argv[]) {
test_one("x", -EINVAL);
test_one("", JSON_END);
test_one(" ", JSON_END);
test_one("0", JSON_INTEGER, (intmax_t) 0, JSON_END);
test_one("1234", JSON_INTEGER, (intmax_t) 1234, JSON_END);
test_one("3.141", JSON_REAL, 3.141, JSON_END);
test_one("0.0", JSON_REAL, 0.0, JSON_END);
test_one("7e3", JSON_REAL, 7e3, JSON_END);
test_one("-7e-3", JSON_REAL, -7e-3, JSON_END);
test_one("true", JSON_BOOLEAN, true, JSON_END);
test_one("false", JSON_BOOLEAN, false, JSON_END);
test_one("null", JSON_NULL, JSON_END);
test_one("{}", JSON_OBJECT_OPEN, JSON_OBJECT_CLOSE, JSON_END);
test_one("\t {\n} \n", JSON_OBJECT_OPEN, JSON_OBJECT_CLOSE, JSON_END);
test_one("[]", JSON_ARRAY_OPEN, JSON_ARRAY_CLOSE, JSON_END);
test_one("\t [] \n\n", JSON_ARRAY_OPEN, JSON_ARRAY_CLOSE, JSON_END);
test_one("\"\"", JSON_STRING, "", JSON_END);
test_one("\"foo\"", JSON_STRING, "foo", JSON_END);
test_one("\"foo\\nfoo\"", JSON_STRING, "foo\nfoo", JSON_END);
test_one("{\"foo\" : \"bar\"}", JSON_OBJECT_OPEN, JSON_STRING, "foo", JSON_COLON, JSON_STRING, "bar", JSON_OBJECT_CLOSE, JSON_END);
test_one("{\"foo\" : [true, false]}", JSON_OBJECT_OPEN, JSON_STRING, "foo", JSON_COLON, JSON_ARRAY_OPEN, JSON_BOOLEAN, true, JSON_COMMA, JSON_BOOLEAN, false, JSON_ARRAY_CLOSE, JSON_OBJECT_CLOSE, JSON_END);
test_one("\"\xef\xbf\xbd\"", JSON_STRING, "\xef\xbf\xbd", JSON_END);
test_one("\"\\ufffd\"", JSON_STRING, "\xef\xbf\xbd", JSON_END);
test_one("\"\\uf\"", -EINVAL);
test_one("\"\\ud800a\"", -EINVAL);
test_one("\"\\udc00\\udc00\"", -EINVAL);
test_one("\"\\ud801\\udc37\"", JSON_STRING, "\xf0\x90\x90\xb7", JSON_END);
test_one("[1, 2]", JSON_ARRAY_OPEN, JSON_INTEGER, (intmax_t) 1, JSON_COMMA, JSON_INTEGER, (intmax_t) 2, JSON_ARRAY_CLOSE, JSON_END);
test_file("{\"k\": \"v\", \"foo\": [1, 2, 3], \"bar\": {\"zap\": null}}", test_1);
test_file("{\"mutant\": [1, null, \"1\", {\"1\": [1, \"1\"]}], \"blah\": 1.27}", test_2);
return 0;
}