// Copyright 2019, OpenCensus Authors

//

// Licensed under the Apache License, Version 2.0 (the "License");

// you may not use this file except in compliance with the License.

// You may obtain a copy of the License at

//

//     http://www.apache.org/licenses/LICENSE-2.0

//

// Unless required by applicable law or agreed to in writing, software

// distributed under the License is distributed on an "AS IS" BASIS,

// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.

// See the License for the specific language governing permissions and

// limitations under the License.

#include "absl/strings/string_view.h"

#include "opencensus/trace/propagation/b3.h"

using ::opencensus::trace::propagation::FromB3Headers;

static constexpr char valid_trace_id[] = "463ac35c9f6413ad48485a3953bb612";

static constexpr char valid_span_id[] = "0020000000000001";

static constexpr char valid_sampled[] = "1";

static constexpr char valid_flags[] = "";

extern "C" int LLVMFuzzerTestOneInput(const uint8_t *Data, size_t Size) {

  absl::string_view input(reinterpret_cast<const char *>(Data), Size);

  FromB3Headers(input, input, input, input);

  FromB3Headers(input, valid_span_id, valid_sampled, valid_flags);

  FromB3Headers(valid_trace_id, input, valid_sampled, valid_flags);

  FromB3Headers(valid_trace_id, valid_span_id, input, valid_flags);

  FromB3Headers(valid_trace_id, valid_span_id, valid_sampled, input);

  return 0;

}