intermediate changes

ref:cde9a383711a11544ce7e107a78147fb96cc4029

2 files changed, 43 insertions, 0 deletions

diff --git a/library/cpp/json/fuzzy_test/main.cpp b/library/cpp/json/fuzzy_test/main.cpp
new file mode 100644
index 00000000000..29a53aac142
--- /dev/null
+++ b/library/cpp/json/fuzzy_test/main.cpp
@@ -0,0 +1,30 @@
+#include <library/cpp/json/json_reader.h>
+
+#include <util/random/random.h>
+#include <util/stream/str.h>
+
+extern "C" int LLVMFuzzerTestOneInput(const ui8* data, size_t size) {
+    const auto json = TString((const char*)data, size);
+
+    try {
+        NJson::TJsonValue value;
+        NJson::ReadJsonFastTree(json, &value, true);
+    } catch (...) {
+        //Cout << json << " -> " << CurrentExceptionMessage() << Endl;
+    }
+
+    try {
+        NJson::TJsonCallbacks cb;
+        NJson::ReadJsonFast(json, &cb);
+    } catch (...) {
+        //Cout << json << " -> " << CurrentExceptionMessage() << Endl;
+    }
+
+    try {
+        NJson::ValidateJson(json);
+    } catch (...) {
+        //Cout << json << " -> " << CurrentExceptionMessage() << Endl;
+    }
+
+    return 0;
+}
diff --git a/library/cpp/json/fuzzy_test/ya.make b/library/cpp/json/fuzzy_test/ya.make
new file mode 100644
index 00000000000..ff50bc1f622
--- /dev/null
+++ b/library/cpp/json/fuzzy_test/ya.make
@@ -0,0 +1,13 @@
+FUZZ()
+
+OWNER(pg)
+
+PEERDIR(
+    library/cpp/json
+)
+
+SRCS(
+    main.cpp
+)
+
+END()