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Explicitly handle NaN values when converting to int

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Json objects of type double with the value NaN could cause undefined
behavior when casting double to int in `json_object_get_int`.
This commit is contained in:
Simon Resch
2024-11-14 13:47:18 +01:00
parent 565f181f65
commit 8c13801f2c
5 changed files with 51 additions and 8 deletions
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8
tests/test_cast.expected
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@@ -12,6 +12,7 @@ Parsed input: {
"array_with_zero": [ 0 ],
"empty_object": {},
"nonempty_object": { "a": 123 },
"nan": NaN,
}
Result is not NULL
new_obj.string_of_digits json_object_get_type()=string
@@ -92,6 +93,12 @@ new_obj.nonempty_object json_object_get_int64()=0
new_obj.nonempty_object json_object_get_uint64()=0
new_obj.nonempty_object json_object_get_boolean()=0
new_obj.nonempty_object json_object_get_double()=0.000000
new_obj.nan json_object_get_type()=double
new_obj.nan json_object_get_int()=-2147483648
new_obj.nan json_object_get_int64()=-9223372036854775808
new_obj.nan json_object_get_uint64()=0
new_obj.nan json_object_get_boolean()=1
new_obj.nan json_object_get_double()=nan
================================
json_object_is_type: null,boolean,double,int,object,array,string
@@ -104,3 +111,4 @@ new_obj.boolean_false : 0,1,0,0,0,0,0
new_obj.int64_number : 0,0,0,1,0,0,0
new_obj.negative_number : 0,0,0,1,0,0,0
new_obj.a_null : 1,0,0,0,0,0,0
new_obj.nan : 0,0,1,0,0,0,0