j3d1/json
1
0
Fork 0
Code Issues Pull requests Releases Wiki Activity

Merge pull request #2182 from tanuj208/develop

Browse source 
Improve parse_ubjson_fuzzer
This commit is contained in:
Niels Lohmann 2020-06-12 09:37:44 +02:00 committed by GitHub
commit c05bd90467
No known key found for this signature in database
GPG key ID: 4AEE18F83AFDEB23
1 changed files with 19 additions and 3 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

22
test/src/fuzzer-parse_ubjson.cpp
View file

@ -11,6 +11,12 @@ array data, it performs the following steps:
- vec = to_ubjson(j1)
- j2 = from_ubjson(vec)
- assert(j1 == j2)
- vec2 = to_ubjson(j1, use_size = true, use_type = false)
- j3 = from_ubjson(vec2)
- assert(j1 == j3)
- vec3 = to_ubjson(j1, use_size = true, use_type = true)
- j4 = from_ubjson(vec3)
- assert(j1 == j4)
The provided function `LLVMFuzzerTestOneInput` can be used in different fuzzer
drivers.
@ -35,14 +41,24 @@ extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size)
try
{
// step 2: round trip
std::vector<uint8_t> vec2 = json::to_ubjson(j1);
// step 2.1: round trip without adding size annotations to container types
std::vector<uint8_t> vec2 = json::to_ubjson(j1, false, false);
// step 2.2: round trip with adding size annotations but without adding type annonations to container types
std::vector<uint8_t> vec3 = json::to_ubjson(j1, true, false);
// step 2.3: round trip with adding size as well as type annotations to container types
std::vector<uint8_t> vec4 = json::to_ubjson(j1, true, true);
// parse serialization
json j2 = json::from_ubjson(vec2);
json j3 = json::from_ubjson(vec3);
json j4 = json::from_ubjson(vec4);
// serializations must match
assert(json::to_ubjson(j2) == vec2);
assert(json::to_ubjson(j2, false, false) == vec2);
assert(json::to_ubjson(j3, true, false) == vec3);
assert(json::to_ubjson(j4, true, true) == vec4);
}
catch (const json::parse_error&)
{