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qemu/check-qjson.c

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/*
* 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 <check.h>
#include "qstring.h"
#include "qint.h"
#include "qdict.h"
#include "qlist.h"
#include "qfloat.h"
#include "qbool.h"
#include "qjson.h"
#include "qemu-common.h"
START_TEST(escaped_string)
{
int i;
struct {
const char *encoded;
const char *decoded;
int skip;
} test_cases[] = {
{ "\"\\b\"", "\b" },
{ "\"\\f\"", "\f" },
{ "\"\\n\"", "\n" },
{ "\"\\r\"", "\r" },
{ "\"\\t\"", "\t" },
{ "\"\\/\"", "\\/" },
{ "\"\\\\\"", "\\" },
{ "\"\\\"\"", "\"" },
{ "\"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);
fail_unless(obj != NULL);
fail_unless(qobject_type(obj) == QTYPE_QSTRING);
str = qobject_to_qstring(obj);
fail_unless(strcmp(qstring_get_str(str), test_cases[i].decoded) == 0,
"%s != %s\n", qstring_get_str(str), test_cases[i].decoded);
if (test_cases[i].skip == 0) {
str = qobject_to_json(obj);
fail_unless(strcmp(qstring_get_str(str),test_cases[i].encoded) == 0,
"%s != %s\n", qstring_get_str(str),
test_cases[i].encoded);
qobject_decref(obj);
}
QDECREF(str);
}
}
END_TEST
START_TEST(simple_string)
{
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);
fail_unless(obj != NULL);
fail_unless(qobject_type(obj) == QTYPE_QSTRING);
str = qobject_to_qstring(obj);
fail_unless(strcmp(qstring_get_str(str), test_cases[i].decoded) == 0);
str = qobject_to_json(obj);
fail_unless(strcmp(qstring_get_str(str), test_cases[i].encoded) == 0);
qobject_decref(obj);
QDECREF(str);
}
}
END_TEST
START_TEST(single_quote_string)
{
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);
fail_unless(obj != NULL);
fail_unless(qobject_type(obj) == QTYPE_QSTRING);
str = qobject_to_qstring(obj);
fail_unless(strcmp(qstring_get_str(str), test_cases[i].decoded) == 0);
QDECREF(str);
}
}
END_TEST
START_TEST(vararg_string)
{
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);
fail_unless(obj != NULL);
fail_unless(qobject_type(obj) == QTYPE_QSTRING);
str = qobject_to_qstring(obj);
fail_unless(strcmp(qstring_get_str(str), test_cases[i].decoded) == 0);
QDECREF(str);
}
}
END_TEST
START_TEST(simple_number)
{
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);
fail_unless(obj != NULL);
fail_unless(qobject_type(obj) == QTYPE_QINT);
qint = qobject_to_qint(obj);
fail_unless(qint_get_int(qint) == test_cases[i].decoded);
if (test_cases[i].skip == 0) {
QString *str;
str = qobject_to_json(obj);
fail_unless(strcmp(qstring_get_str(str), test_cases[i].encoded) == 0);
QDECREF(str);
}
QDECREF(qint);
}
}
END_TEST
START_TEST(float_number)
{
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);
fail_unless(obj != NULL);
fail_unless(qobject_type(obj) == QTYPE_QFLOAT);
qfloat = qobject_to_qfloat(obj);
fail_unless(qfloat_get_double(qfloat) == test_cases[i].decoded);
if (test_cases[i].skip == 0) {
QString *str;
str = qobject_to_json(obj);
fail_unless(strcmp(qstring_get_str(str), test_cases[i].encoded) == 0);
QDECREF(str);
}
QDECREF(qfloat);
}
}
END_TEST
START_TEST(vararg_number)
{
QObject *obj;
QInt *qint;
QFloat *qfloat;
int value = 0x2342;
int64_t value64 = 0x2342342343LL;
double valuef = 2.323423423;
obj = qobject_from_jsonf("%d", value);
fail_unless(obj != NULL);
fail_unless(qobject_type(obj) == QTYPE_QINT);
qint = qobject_to_qint(obj);
fail_unless(qint_get_int(qint) == value);
QDECREF(qint);
obj = qobject_from_jsonf("%" PRId64, value64);
fail_unless(obj != NULL);
fail_unless(qobject_type(obj) == QTYPE_QINT);
qint = qobject_to_qint(obj);
fail_unless(qint_get_int(qint) == value64);
QDECREF(qint);
obj = qobject_from_jsonf("%f", valuef);
fail_unless(obj != NULL);
fail_unless(qobject_type(obj) == QTYPE_QFLOAT);
qfloat = qobject_to_qfloat(obj);
fail_unless(qfloat_get_double(qfloat) == valuef);
QDECREF(qfloat);
}
END_TEST
START_TEST(keyword_literal)
{
QObject *obj;
QBool *qbool;
QString *str;
obj = qobject_from_json("true");
fail_unless(obj != NULL);
fail_unless(qobject_type(obj) == QTYPE_QBOOL);
qbool = qobject_to_qbool(obj);
fail_unless(qbool_get_int(qbool) != 0);
str = qobject_to_json(obj);
fail_unless(strcmp(qstring_get_str(str), "true") == 0);
QDECREF(str);
QDECREF(qbool);
obj = qobject_from_json("false");
fail_unless(obj != NULL);
fail_unless(qobject_type(obj) == QTYPE_QBOOL);
qbool = qobject_to_qbool(obj);
fail_unless(qbool_get_int(qbool) == 0);
str = qobject_to_json(obj);
fail_unless(strcmp(qstring_get_str(str), "false") == 0);
QDECREF(str);
QDECREF(qbool);
obj = qobject_from_jsonf("%i", false);
fail_unless(obj != NULL);
fail_unless(qobject_type(obj) == QTYPE_QBOOL);
qbool = qobject_to_qbool(obj);
fail_unless(qbool_get_int(qbool) == 0);
QDECREF(qbool);
obj = qobject_from_jsonf("%i", true);
fail_unless(obj != NULL);
fail_unless(qobject_type(obj) == QTYPE_QBOOL);
qbool = qobject_to_qbool(obj);
fail_unless(qbool_get_int(qbool) != 0);
QDECREF(qbool);
}
END_TEST
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;
}
START_TEST(simple_dict)
{
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);
fail_unless(obj != NULL);
fail_unless(qobject_type(obj) == QTYPE_QDICT);
fail_unless(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));
fail_unless(obj != NULL);
fail_unless(qobject_type(obj) == QTYPE_QDICT);
fail_unless(compare_litqobj_to_qobj(&test_cases[i].decoded, obj) == 1);
qobject_decref(obj);
QDECREF(str);
}
}
END_TEST
START_TEST(simple_list)
{
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);
fail_unless(obj != NULL);
fail_unless(qobject_type(obj) == QTYPE_QLIST);
fail_unless(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));
fail_unless(obj != NULL);
fail_unless(qobject_type(obj) == QTYPE_QLIST);
fail_unless(compare_litqobj_to_qobj(&test_cases[i].decoded, obj) == 1);
qobject_decref(obj);
QDECREF(str);
}
}
END_TEST
START_TEST(simple_whitespace)
{
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);
fail_unless(obj != NULL);
fail_unless(qobject_type(obj) == QTYPE_QLIST);
fail_unless(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));
fail_unless(obj != NULL);
fail_unless(qobject_type(obj) == QTYPE_QLIST);
fail_unless(compare_litqobj_to_qobj(&test_cases[i].decoded, obj) == 1);
qobject_decref(obj);
QDECREF(str);
}
}
END_TEST
START_TEST(simple_varargs)
{
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]");
fail_unless(embedded_obj != NULL);
obj = qobject_from_jsonf("[%d, 2, %p]", 1, embedded_obj);
fail_unless(obj != NULL);
fail_unless(compare_litqobj_to_qobj(&decoded, obj) == 1);
qobject_decref(obj);
}
END_TEST
START_TEST(empty_input)
{
QObject *obj = qobject_from_json("");
fail_unless(obj == NULL);
}
END_TEST
START_TEST(unterminated_string)
{
QObject *obj = qobject_from_json("\"abc");
fail_unless(obj == NULL);
}
END_TEST
START_TEST(unterminated_sq_string)
{
QObject *obj = qobject_from_json("'abc");
fail_unless(obj == NULL);
}
END_TEST
START_TEST(unterminated_escape)
{
QObject *obj = qobject_from_json("\"abc\\\"");
fail_unless(obj == NULL);
}
END_TEST
START_TEST(unterminated_array)
{
QObject *obj = qobject_from_json("[32");
fail_unless(obj == NULL);
}
END_TEST
START_TEST(unterminated_array_comma)
{
QObject *obj = qobject_from_json("[32,");
fail_unless(obj == NULL);
}
END_TEST
START_TEST(invalid_array_comma)
{
QObject *obj = qobject_from_json("[32,}");
fail_unless(obj == NULL);
}
END_TEST
START_TEST(unterminated_dict)
{
QObject *obj = qobject_from_json("{'abc':32");
fail_unless(obj == NULL);
}
END_TEST
START_TEST(unterminated_dict_comma)
{
QObject *obj = qobject_from_json("{'abc':32,");
fail_unless(obj == NULL);
}
END_TEST
#if 0
START_TEST(invalid_dict_comma)
{
QObject *obj = qobject_from_json("{'abc':32,}");
fail_unless(obj == NULL);
}
END_TEST
START_TEST(unterminated_literal)
{
QObject *obj = qobject_from_json("nul");
fail_unless(obj == NULL);
}
END_TEST
#endif
static Suite *qjson_suite(void)
{
Suite *suite;
TCase *string_literals, *number_literals, *keyword_literals;
TCase *dicts, *lists, *whitespace, *varargs, *errors;
string_literals = tcase_create("String Literals");
tcase_add_test(string_literals, simple_string);
tcase_add_test(string_literals, escaped_string);
tcase_add_test(string_literals, single_quote_string);
tcase_add_test(string_literals, vararg_string);
number_literals = tcase_create("Number Literals");
tcase_add_test(number_literals, simple_number);
tcase_add_test(number_literals, float_number);
tcase_add_test(number_literals, vararg_number);
keyword_literals = tcase_create("Keywords");
tcase_add_test(keyword_literals, keyword_literal);
dicts = tcase_create("Objects");
tcase_add_test(dicts, simple_dict);
lists = tcase_create("Lists");
tcase_add_test(lists, simple_list);
whitespace = tcase_create("Whitespace");
tcase_add_test(whitespace, simple_whitespace);
varargs = tcase_create("Varargs");
tcase_add_test(varargs, simple_varargs);
errors = tcase_create("Invalid JSON");
tcase_add_test(errors, empty_input);
tcase_add_test(errors, unterminated_string);
tcase_add_test(errors, unterminated_escape);
tcase_add_test(errors, unterminated_sq_string);
tcase_add_test(errors, unterminated_array);
tcase_add_test(errors, unterminated_array_comma);
tcase_add_test(errors, invalid_array_comma);
tcase_add_test(errors, unterminated_dict);
tcase_add_test(errors, unterminated_dict_comma);
#if 0
/* FIXME: this print parse error messages on stderr. */
tcase_add_test(errors, invalid_dict_comma);
tcase_add_test(errors, unterminated_literal);
#endif
suite = suite_create("QJSON test-suite");
suite_add_tcase(suite, string_literals);
suite_add_tcase(suite, number_literals);
suite_add_tcase(suite, keyword_literals);
suite_add_tcase(suite, dicts);
suite_add_tcase(suite, lists);
suite_add_tcase(suite, whitespace);
suite_add_tcase(suite, varargs);
suite_add_tcase(suite, errors);
return suite;
}
int main(void)
{
int nf;
Suite *s;
SRunner *sr;
s = qjson_suite();
sr = srunner_create(s);
srunner_run_all(sr, CK_NORMAL);
nf = srunner_ntests_failed(sr);
srunner_free(sr);
return (nf == 0) ? EXIT_SUCCESS : EXIT_FAILURE;
}
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