intermediate changes

ref:cde9a383711a11544ce7e107a78147fb96cc4029

1 files changed, 13 insertions, 0 deletions

diff --git a/library/cpp/string_utils/base64/fuzz/lib/main.cpp b/library/cpp/string_utils/base64/fuzz/lib/main.cpp
new file mode 100644
index 0000000000..28547ae7a5
--- /dev/null
+++ b/library/cpp/string_utils/base64/fuzz/lib/main.cpp
@@ -0,0 +1,13 @@
+#include <library/cpp/string_utils/base64/base64.h>
+
+#include <util/system/types.h>
+#include <util/system/yassert.h>
+
+extern "C" int LLVMFuzzerTestOneInput(const ui8* data, size_t size) {
+    const TStringBuf example{reinterpret_cast<const char*>(data), size};
+    const auto converted = Base64Decode(Base64Encode(example));
+
+    Y_VERIFY(example == converted);
+
+    return 0;
+}