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Extend test_double_serializer to check NaN and Infinity handling.

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This commit is contained in:
Eric Haszlakiewicz
2019-11-22 22:56:33 -05:00
parent af8dd4a307
commit b1ad748842
2 changed files with 17 additions and 0 deletions
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14
tests/test_double_serializer.c
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@@ -8,6 +8,9 @@
#include "json_object.h" #include "json_object.h"
#include "json_object_private.h" #include "json_object_private.h"
/* Avoid compiler warnings about diving by constant zero */
double zero_dot_zero = 0.0;
int main() int main()
{ {
struct json_object *obj = json_object_new_double(0.5); struct json_object *obj = json_object_new_double(0.5);
@@ -80,4 +83,15 @@ int main()
printf("obj(-12.0).to_string(default format)=%s\n", json_object_to_json_string(obj)); printf("obj(-12.0).to_string(default format)=%s\n", json_object_to_json_string(obj));
json_object_put(obj); json_object_put(obj);
/* Test NaN handling */
obj = json_object_new_double(zero_dot_zero / zero_dot_zero);
printf("obj(0.0/0.0)=%s\n", json_object_to_json_string(obj));
/* Test Infinity and -Infinity handling */
obj = json_object_new_double(1.0/zero_dot_zero);
printf("obj(1.0/0.0)=%s\n", json_object_to_json_string(obj));
obj = json_object_new_double(-1.0/zero_dot_zero);
printf("obj(-1.0/0.0)=%s\n", json_object_to_json_string(obj));
} }

3
tests/test_double_serializer.expected
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@@ -17,3 +17,6 @@ obj(12.0).to_string(%.0f)=12
obj(12.0).to_string(%.0g)=1e+01 obj(12.0).to_string(%.0g)=1e+01
obj(12.0).to_string(%.1g)=12.0 obj(12.0).to_string(%.1g)=12.0
obj(-12.0).to_string(default format)=-12.0 obj(-12.0).to_string(default format)=-12.0
obj(0.0/0.0)=NaN
obj(1.0/0.0)=Infinity
obj(-1.0/0.0)=-Infinity