LineageOS/android_external_json-c
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Adjust json_object_is_type and json_object_get_type so they return json_type_null for NULL objects.

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This commit is contained in:
Eric Haszlakiewicz
2012-03-31 13:47:28 -05:00
parent 7e57d63aeb
commit aef439a175
4 changed files with 65 additions and 0 deletions
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4
json_object.c
View File

@@ -166,11 +166,15 @@ static struct json_object* json_object_new(enum json_type o_type)
int json_object_is_type(struct json_object *jso, enum json_type type)
{
if (!jso)
return (type == json_type_null);
return (jso->o_type == type);
}
enum json_type json_object_get_type(struct json_object *jso)
{
if (!jso)
return json_type_null;
return jso->o_type;
}

2
json_object.h
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@@ -79,6 +79,7 @@ extern void json_object_put(struct json_object *obj);
* Check if the json_object is of a given type
* @param obj the json_object instance
* @param type one of:
json_type_null (i.e. obj == NULL),
json_type_boolean,
json_type_double,
json_type_int,
@@ -92,6 +93,7 @@ extern int json_object_is_type(struct json_object *obj, enum json_type type);
* Get the type of the json_object
* @param obj the json_object instance
* @returns type being one of:
json_type_null (i.e. obj == NULL),
json_type_boolean,
json_type_double,
json_type_int,

42
test_cast.c
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@@ -1,5 +1,6 @@
/*
* 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 <stdio.h>
@@ -13,6 +14,8 @@
#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)
{
@@ -23,6 +26,7 @@ int main(int argc, char **argv)
\"boolean_true\": true,\n\
\"boolean_false\": false,\n\
\"big_number\": 2147483649,\n\
\"a_null\": null,\n\
}";
/* Note: 2147483649 = INT_MAX + 2 */
@@ -40,6 +44,19 @@ int main(int argc, char **argv)
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);
@@ -62,3 +79,28 @@ static void getit(struct json_object *new_obj, const char *field)
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 = field ? json_object_object_get(new_obj, field) : new_obj;
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));
}

17
test_cast.expected
View File

@@ -5,6 +5,7 @@ Parsed input: {
"boolean_true": true,
"boolean_false": false,
"big_number": 2147483649,
"a_null": null,
}
Result is not NULL
new_obj.string_of_digits json_object_get_type()=string
@@ -37,3 +38,19 @@ new_obj.big_number json_object_get_int()=2147483647
new_obj.big_number json_object_get_int64()=2147483649
new_obj.big_number json_object_get_boolean()=1
new_obj.big_number json_object_get_double()=2147483649.000000
new_obj.a_null json_object_get_type()=null
new_obj.a_null json_object_get_int()=0
new_obj.a_null json_object_get_int64()=0
new_obj.a_null json_object_get_boolean()=0
new_obj.a_null json_object_get_double()=0.000000
================================
json_object_is_type: null,boolean,double,int,object,array,string
new_obj : 0,0,0,0,1,0,0
new_obj.string_of_digits : 0,0,0,0,0,0,1
new_obj.regular_number : 0,0,0,1,0,0,0
new_obj.decimal_number : 0,0,1,0,0,0,0
new_obj.boolean_true : 0,1,0,0,0,0,0
new_obj.boolean_false : 0,1,0,0,0,0,0
new_obj.big_number : 0,0,0,1,0,0,0
new_obj.a_null : 1,0,0,0,0,0,0