// Copyright 2019 The TCMalloc 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
//
//     https://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 <stdint.h>

#include <cstddef>
#include <map>
#include <optional>
#include <string>
#include <tuple>
#include <vector>

#include "gtest/gtest.h"
#include "fuzztest/fuzztest.h"
#include "absl/strings/string_view.h"
#include "tcmalloc/malloc_extension.h"

namespace tcmalloc {
namespace {

void FuzzGetProperty(absl::string_view property) {
  std::optional<size_t> val = MallocExtension::GetNumericProperty(property);
  if (!val.has_value()) {
    // Rather than inspect the result of MallocExtension::GetProperties, we
    // defer to the test in
    // //tcmalloc/testing/malloc_extension_test.cc to ensure that
    // every key in GetProperties has a value returned by GetNumericProperty.
    return;
  }

  MallocExtension::PropertyMap properties = MallocExtension::GetProperties();
  if (properties.find(std::string(property)) == properties.end()) {
    __builtin_trap();
  }
}

FUZZ_TEST(MallocExtensionTest, FuzzGetProperty)
    .WithDomains(fuzztest::String())
    ;

TEST(MallocExtensionTest, FuzzGetPropertyRegression) { FuzzGetProperty(""); }

}  // namespace
}  // namespace tcmalloc
