qemu/tests/check-qjson.c

782 lines
20 KiB
C

/*
* Copyright IBM, Corp. 2009
*
* Authors:
* Anthony Liguori <aliguori@us.ibm.com>
*
* This work is licensed under the terms of the GNU LGPL, version 2.1 or later.
* See the COPYING.LIB file in the top-level directory.
*
*/
#include <glib.h>
#include "qapi/qmp/qstring.h"
#include "qapi/qmp/qint.h"
#include "qapi/qmp/qdict.h"
#include "qapi/qmp/qlist.h"
#include "qapi/qmp/qfloat.h"
#include "qapi/qmp/qbool.h"
#include "qapi/qmp/qjson.h"
#include "qemu-common.h"
static void escaped_string(void)
{
int i;
struct {
const char *encoded;
const char *decoded;
int skip;
} test_cases[] = {
{ "\"\\b\"", "\b" },
{ "\"\\f\"", "\f" },
{ "\"\\n\"", "\n" },
{ "\"\\r\"", "\r" },
{ "\"\\t\"", "\t" },
{ "\"/\"", "/" },
{ "\"\\/\"", "/", .skip = 1 },
{ "\"\\\\\"", "\\" },
{ "\"\\\"\"", "\"" },
{ "\"hello world \\\"embedded string\\\"\"",
"hello world \"embedded string\"" },
{ "\"hello world\\nwith new line\"", "hello world\nwith new line" },
{ "\"single byte utf-8 \\u0020\"", "single byte utf-8 ", .skip = 1 },
{ "\"double byte utf-8 \\u00A2\"", "double byte utf-8 \xc2\xa2" },
{ "\"triple byte utf-8 \\u20AC\"", "triple byte utf-8 \xe2\x82\xac" },
{}
};
for (i = 0; test_cases[i].encoded; i++) {
QObject *obj;
QString *str;
obj = qobject_from_json(test_cases[i].encoded);
g_assert(obj != NULL);
g_assert(qobject_type(obj) == QTYPE_QSTRING);
str = qobject_to_qstring(obj);
g_assert_cmpstr(qstring_get_str(str), ==, test_cases[i].decoded);
if (test_cases[i].skip == 0) {
str = qobject_to_json(obj);
g_assert_cmpstr(qstring_get_str(str), ==, test_cases[i].encoded);
qobject_decref(obj);
}
QDECREF(str);
}
}
static void simple_string(void)
{
int i;
struct {
const char *encoded;
const char *decoded;
} test_cases[] = {
{ "\"hello world\"", "hello world" },
{ "\"the quick brown fox jumped over the fence\"",
"the quick brown fox jumped over the fence" },
{}
};
for (i = 0; test_cases[i].encoded; i++) {
QObject *obj;
QString *str;
obj = qobject_from_json(test_cases[i].encoded);
g_assert(obj != NULL);
g_assert(qobject_type(obj) == QTYPE_QSTRING);
str = qobject_to_qstring(obj);
g_assert(strcmp(qstring_get_str(str), test_cases[i].decoded) == 0);
str = qobject_to_json(obj);
g_assert(strcmp(qstring_get_str(str), test_cases[i].encoded) == 0);
qobject_decref(obj);
QDECREF(str);
}
}
static void single_quote_string(void)
{
int i;
struct {
const char *encoded;
const char *decoded;
} test_cases[] = {
{ "'hello world'", "hello world" },
{ "'the quick brown fox \\' jumped over the fence'",
"the quick brown fox ' jumped over the fence" },
{}
};
for (i = 0; test_cases[i].encoded; i++) {
QObject *obj;
QString *str;
obj = qobject_from_json(test_cases[i].encoded);
g_assert(obj != NULL);
g_assert(qobject_type(obj) == QTYPE_QSTRING);
str = qobject_to_qstring(obj);
g_assert(strcmp(qstring_get_str(str), test_cases[i].decoded) == 0);
QDECREF(str);
}
}
static void vararg_string(void)
{
int i;
struct {
const char *decoded;
} test_cases[] = {
{ "hello world" },
{ "the quick brown fox jumped over the fence" },
{}
};
for (i = 0; test_cases[i].decoded; i++) {
QObject *obj;
QString *str;
obj = qobject_from_jsonf("%s", test_cases[i].decoded);
g_assert(obj != NULL);
g_assert(qobject_type(obj) == QTYPE_QSTRING);
str = qobject_to_qstring(obj);
g_assert(strcmp(qstring_get_str(str), test_cases[i].decoded) == 0);
QDECREF(str);
}
}
static void simple_number(void)
{
int i;
struct {
const char *encoded;
int64_t decoded;
int skip;
} test_cases[] = {
{ "0", 0 },
{ "1234", 1234 },
{ "1", 1 },
{ "-32", -32 },
{ "-0", 0, .skip = 1 },
{ },
};
for (i = 0; test_cases[i].encoded; i++) {
QObject *obj;
QInt *qint;
obj = qobject_from_json(test_cases[i].encoded);
g_assert(obj != NULL);
g_assert(qobject_type(obj) == QTYPE_QINT);
qint = qobject_to_qint(obj);
g_assert(qint_get_int(qint) == test_cases[i].decoded);
if (test_cases[i].skip == 0) {
QString *str;
str = qobject_to_json(obj);
g_assert(strcmp(qstring_get_str(str), test_cases[i].encoded) == 0);
QDECREF(str);
}
QDECREF(qint);
}
}
static void float_number(void)
{
int i;
struct {
const char *encoded;
double decoded;
int skip;
} test_cases[] = {
{ "32.43", 32.43 },
{ "0.222", 0.222 },
{ "-32.12313", -32.12313 },
{ "-32.20e-10", -32.20e-10, .skip = 1 },
{ },
};
for (i = 0; test_cases[i].encoded; i++) {
QObject *obj;
QFloat *qfloat;
obj = qobject_from_json(test_cases[i].encoded);
g_assert(obj != NULL);
g_assert(qobject_type(obj) == QTYPE_QFLOAT);
qfloat = qobject_to_qfloat(obj);
g_assert(qfloat_get_double(qfloat) == test_cases[i].decoded);
if (test_cases[i].skip == 0) {
QString *str;
str = qobject_to_json(obj);
g_assert(strcmp(qstring_get_str(str), test_cases[i].encoded) == 0);
QDECREF(str);
}
QDECREF(qfloat);
}
}
static void vararg_number(void)
{
QObject *obj;
QInt *qint;
QFloat *qfloat;
int value = 0x2342;
int64_t value64 = 0x2342342343LL;
double valuef = 2.323423423;
obj = qobject_from_jsonf("%d", value);
g_assert(obj != NULL);
g_assert(qobject_type(obj) == QTYPE_QINT);
qint = qobject_to_qint(obj);
g_assert(qint_get_int(qint) == value);
QDECREF(qint);
obj = qobject_from_jsonf("%" PRId64, value64);
g_assert(obj != NULL);
g_assert(qobject_type(obj) == QTYPE_QINT);
qint = qobject_to_qint(obj);
g_assert(qint_get_int(qint) == value64);
QDECREF(qint);
obj = qobject_from_jsonf("%f", valuef);
g_assert(obj != NULL);
g_assert(qobject_type(obj) == QTYPE_QFLOAT);
qfloat = qobject_to_qfloat(obj);
g_assert(qfloat_get_double(qfloat) == valuef);
QDECREF(qfloat);
}
static void keyword_literal(void)
{
QObject *obj;
QBool *qbool;
QString *str;
obj = qobject_from_json("true");
g_assert(obj != NULL);
g_assert(qobject_type(obj) == QTYPE_QBOOL);
qbool = qobject_to_qbool(obj);
g_assert(qbool_get_int(qbool) != 0);
str = qobject_to_json(obj);
g_assert(strcmp(qstring_get_str(str), "true") == 0);
QDECREF(str);
QDECREF(qbool);
obj = qobject_from_json("false");
g_assert(obj != NULL);
g_assert(qobject_type(obj) == QTYPE_QBOOL);
qbool = qobject_to_qbool(obj);
g_assert(qbool_get_int(qbool) == 0);
str = qobject_to_json(obj);
g_assert(strcmp(qstring_get_str(str), "false") == 0);
QDECREF(str);
QDECREF(qbool);
obj = qobject_from_jsonf("%i", false);
g_assert(obj != NULL);
g_assert(qobject_type(obj) == QTYPE_QBOOL);
qbool = qobject_to_qbool(obj);
g_assert(qbool_get_int(qbool) == 0);
QDECREF(qbool);
obj = qobject_from_jsonf("%i", true);
g_assert(obj != NULL);
g_assert(qobject_type(obj) == QTYPE_QBOOL);
qbool = qobject_to_qbool(obj);
g_assert(qbool_get_int(qbool) != 0);
QDECREF(qbool);
}
typedef struct LiteralQDictEntry LiteralQDictEntry;
typedef struct LiteralQObject LiteralQObject;
struct LiteralQObject
{
int type;
union {
int64_t qint;
const char *qstr;
LiteralQDictEntry *qdict;
LiteralQObject *qlist;
} value;
};
struct LiteralQDictEntry
{
const char *key;
LiteralQObject value;
};
#define QLIT_QINT(val) (LiteralQObject){.type = QTYPE_QINT, .value.qint = (val)}
#define QLIT_QSTR(val) (LiteralQObject){.type = QTYPE_QSTRING, .value.qstr = (val)}
#define QLIT_QDICT(val) (LiteralQObject){.type = QTYPE_QDICT, .value.qdict = (val)}
#define QLIT_QLIST(val) (LiteralQObject){.type = QTYPE_QLIST, .value.qlist = (val)}
typedef struct QListCompareHelper
{
int index;
LiteralQObject *objs;
int result;
} QListCompareHelper;
static int compare_litqobj_to_qobj(LiteralQObject *lhs, QObject *rhs);
static void compare_helper(QObject *obj, void *opaque)
{
QListCompareHelper *helper = opaque;
if (helper->result == 0) {
return;
}
if (helper->objs[helper->index].type == QTYPE_NONE) {
helper->result = 0;
return;
}
helper->result = compare_litqobj_to_qobj(&helper->objs[helper->index++], obj);
}
static int compare_litqobj_to_qobj(LiteralQObject *lhs, QObject *rhs)
{
if (lhs->type != qobject_type(rhs)) {
return 0;
}
switch (lhs->type) {
case QTYPE_QINT:
return lhs->value.qint == qint_get_int(qobject_to_qint(rhs));
case QTYPE_QSTRING:
return (strcmp(lhs->value.qstr, qstring_get_str(qobject_to_qstring(rhs))) == 0);
case QTYPE_QDICT: {
int i;
for (i = 0; lhs->value.qdict[i].key; i++) {
QObject *obj = qdict_get(qobject_to_qdict(rhs), lhs->value.qdict[i].key);
if (!compare_litqobj_to_qobj(&lhs->value.qdict[i].value, obj)) {
return 0;
}
}
return 1;
}
case QTYPE_QLIST: {
QListCompareHelper helper;
helper.index = 0;
helper.objs = lhs->value.qlist;
helper.result = 1;
qlist_iter(qobject_to_qlist(rhs), compare_helper, &helper);
return helper.result;
}
default:
break;
}
return 0;
}
static void simple_dict(void)
{
int i;
struct {
const char *encoded;
LiteralQObject decoded;
} test_cases[] = {
{
.encoded = "{\"foo\": 42, \"bar\": \"hello world\"}",
.decoded = QLIT_QDICT(((LiteralQDictEntry[]){
{ "foo", QLIT_QINT(42) },
{ "bar", QLIT_QSTR("hello world") },
{ }
})),
}, {
.encoded = "{}",
.decoded = QLIT_QDICT(((LiteralQDictEntry[]){
{ }
})),
}, {
.encoded = "{\"foo\": 43}",
.decoded = QLIT_QDICT(((LiteralQDictEntry[]){
{ "foo", QLIT_QINT(43) },
{ }
})),
},
{ }
};
for (i = 0; test_cases[i].encoded; i++) {
QObject *obj;
QString *str;
obj = qobject_from_json(test_cases[i].encoded);
g_assert(obj != NULL);
g_assert(qobject_type(obj) == QTYPE_QDICT);
g_assert(compare_litqobj_to_qobj(&test_cases[i].decoded, obj) == 1);
str = qobject_to_json(obj);
qobject_decref(obj);
obj = qobject_from_json(qstring_get_str(str));
g_assert(obj != NULL);
g_assert(qobject_type(obj) == QTYPE_QDICT);
g_assert(compare_litqobj_to_qobj(&test_cases[i].decoded, obj) == 1);
qobject_decref(obj);
QDECREF(str);
}
}
/*
* this generates json of the form:
* a(0,m) = [0, 1, ..., m-1]
* a(n,m) = {
* 'key0': a(0,m),
* 'key1': a(1,m),
* ...
* 'key(n-1)': a(n-1,m)
* }
*/
static void gen_test_json(GString *gstr, int nest_level_max,
int elem_count)
{
int i;
g_assert(gstr);
if (nest_level_max == 0) {
g_string_append(gstr, "[");
for (i = 0; i < elem_count; i++) {
g_string_append_printf(gstr, "%d", i);
if (i < elem_count - 1) {
g_string_append_printf(gstr, ", ");
}
}
g_string_append(gstr, "]");
return;
}
g_string_append(gstr, "{");
for (i = 0; i < nest_level_max; i++) {
g_string_append_printf(gstr, "'key%d': ", i);
gen_test_json(gstr, i, elem_count);
if (i < nest_level_max - 1) {
g_string_append(gstr, ",");
}
}
g_string_append(gstr, "}");
}
static void large_dict(void)
{
GString *gstr = g_string_new("");
QObject *obj;
gen_test_json(gstr, 10, 100);
obj = qobject_from_json(gstr->str);
g_assert(obj != NULL);
qobject_decref(obj);
g_string_free(gstr, true);
}
static void simple_list(void)
{
int i;
struct {
const char *encoded;
LiteralQObject decoded;
} test_cases[] = {
{
.encoded = "[43,42]",
.decoded = QLIT_QLIST(((LiteralQObject[]){
QLIT_QINT(43),
QLIT_QINT(42),
{ }
})),
},
{
.encoded = "[43]",
.decoded = QLIT_QLIST(((LiteralQObject[]){
QLIT_QINT(43),
{ }
})),
},
{
.encoded = "[]",
.decoded = QLIT_QLIST(((LiteralQObject[]){
{ }
})),
},
{
.encoded = "[{}]",
.decoded = QLIT_QLIST(((LiteralQObject[]){
QLIT_QDICT(((LiteralQDictEntry[]){
{},
})),
{},
})),
},
{ }
};
for (i = 0; test_cases[i].encoded; i++) {
QObject *obj;
QString *str;
obj = qobject_from_json(test_cases[i].encoded);
g_assert(obj != NULL);
g_assert(qobject_type(obj) == QTYPE_QLIST);
g_assert(compare_litqobj_to_qobj(&test_cases[i].decoded, obj) == 1);
str = qobject_to_json(obj);
qobject_decref(obj);
obj = qobject_from_json(qstring_get_str(str));
g_assert(obj != NULL);
g_assert(qobject_type(obj) == QTYPE_QLIST);
g_assert(compare_litqobj_to_qobj(&test_cases[i].decoded, obj) == 1);
qobject_decref(obj);
QDECREF(str);
}
}
static void simple_whitespace(void)
{
int i;
struct {
const char *encoded;
LiteralQObject decoded;
} test_cases[] = {
{
.encoded = " [ 43 , 42 ]",
.decoded = QLIT_QLIST(((LiteralQObject[]){
QLIT_QINT(43),
QLIT_QINT(42),
{ }
})),
},
{
.encoded = " [ 43 , { 'h' : 'b' }, [ ], 42 ]",
.decoded = QLIT_QLIST(((LiteralQObject[]){
QLIT_QINT(43),
QLIT_QDICT(((LiteralQDictEntry[]){
{ "h", QLIT_QSTR("b") },
{ }})),
QLIT_QLIST(((LiteralQObject[]){
{ }})),
QLIT_QINT(42),
{ }
})),
},
{
.encoded = " [ 43 , { 'h' : 'b' , 'a' : 32 }, [ ], 42 ]",
.decoded = QLIT_QLIST(((LiteralQObject[]){
QLIT_QINT(43),
QLIT_QDICT(((LiteralQDictEntry[]){
{ "h", QLIT_QSTR("b") },
{ "a", QLIT_QINT(32) },
{ }})),
QLIT_QLIST(((LiteralQObject[]){
{ }})),
QLIT_QINT(42),
{ }
})),
},
{ }
};
for (i = 0; test_cases[i].encoded; i++) {
QObject *obj;
QString *str;
obj = qobject_from_json(test_cases[i].encoded);
g_assert(obj != NULL);
g_assert(qobject_type(obj) == QTYPE_QLIST);
g_assert(compare_litqobj_to_qobj(&test_cases[i].decoded, obj) == 1);
str = qobject_to_json(obj);
qobject_decref(obj);
obj = qobject_from_json(qstring_get_str(str));
g_assert(obj != NULL);
g_assert(qobject_type(obj) == QTYPE_QLIST);
g_assert(compare_litqobj_to_qobj(&test_cases[i].decoded, obj) == 1);
qobject_decref(obj);
QDECREF(str);
}
}
static void simple_varargs(void)
{
QObject *embedded_obj;
QObject *obj;
LiteralQObject decoded = QLIT_QLIST(((LiteralQObject[]){
QLIT_QINT(1),
QLIT_QINT(2),
QLIT_QLIST(((LiteralQObject[]){
QLIT_QINT(32),
QLIT_QINT(42),
{}})),
{}}));
embedded_obj = qobject_from_json("[32, 42]");
g_assert(embedded_obj != NULL);
obj = qobject_from_jsonf("[%d, 2, %p]", 1, embedded_obj);
g_assert(obj != NULL);
g_assert(compare_litqobj_to_qobj(&decoded, obj) == 1);
qobject_decref(obj);
}
static void empty_input(void)
{
const char *empty = "";
QObject *obj = qobject_from_json(empty);
g_assert(obj == NULL);
}
static void unterminated_string(void)
{
QObject *obj = qobject_from_json("\"abc");
g_assert(obj == NULL);
}
static void unterminated_sq_string(void)
{
QObject *obj = qobject_from_json("'abc");
g_assert(obj == NULL);
}
static void unterminated_escape(void)
{
QObject *obj = qobject_from_json("\"abc\\\"");
g_assert(obj == NULL);
}
static void unterminated_array(void)
{
QObject *obj = qobject_from_json("[32");
g_assert(obj == NULL);
}
static void unterminated_array_comma(void)
{
QObject *obj = qobject_from_json("[32,");
g_assert(obj == NULL);
}
static void invalid_array_comma(void)
{
QObject *obj = qobject_from_json("[32,}");
g_assert(obj == NULL);
}
static void unterminated_dict(void)
{
QObject *obj = qobject_from_json("{'abc':32");
g_assert(obj == NULL);
}
static void unterminated_dict_comma(void)
{
QObject *obj = qobject_from_json("{'abc':32,");
g_assert(obj == NULL);
}
static void invalid_dict_comma(void)
{
QObject *obj = qobject_from_json("{'abc':32,}");
g_assert(obj == NULL);
}
static void unterminated_literal(void)
{
QObject *obj = qobject_from_json("nul");
g_assert(obj == NULL);
}
int main(int argc, char **argv)
{
g_test_init(&argc, &argv, NULL);
g_test_add_func("/literals/string/simple", simple_string);
g_test_add_func("/literals/string/escaped", escaped_string);
g_test_add_func("/literals/string/single_quote", single_quote_string);
g_test_add_func("/literals/string/vararg", vararg_string);
g_test_add_func("/literals/number/simple", simple_number);
g_test_add_func("/literals/number/float", float_number);
g_test_add_func("/literals/number/vararg", vararg_number);
g_test_add_func("/literals/keyword", keyword_literal);
g_test_add_func("/dicts/simple_dict", simple_dict);
g_test_add_func("/dicts/large_dict", large_dict);
g_test_add_func("/lists/simple_list", simple_list);
g_test_add_func("/whitespace/simple_whitespace", simple_whitespace);
g_test_add_func("/varargs/simple_varargs", simple_varargs);
g_test_add_func("/errors/empty_input", empty_input);
g_test_add_func("/errors/unterminated/string", unterminated_string);
g_test_add_func("/errors/unterminated/escape", unterminated_escape);
g_test_add_func("/errors/unterminated/sq_string", unterminated_sq_string);
g_test_add_func("/errors/unterminated/array", unterminated_array);
g_test_add_func("/errors/unterminated/array_comma", unterminated_array_comma);
g_test_add_func("/errors/unterminated/dict", unterminated_dict);
g_test_add_func("/errors/unterminated/dict_comma", unterminated_dict_comma);
g_test_add_func("/errors/invalid_array_comma", invalid_array_comma);
g_test_add_func("/errors/invalid_dict_comma", invalid_dict_comma);
g_test_add_func("/errors/unterminated/literal", unterminated_literal);
return g_test_run();
}