text: // Copyright 2013 The Flutter Authors. All rights reserved.
  // Use of this source code is governed by a BSD-style license that can be
  // found in the LICENSE file.
  
  #ifndef FLUTTER_TESTING_DART_FIXTURE_H_
  #define FLUTTER_TESTING_DART_FIXTURE_H_
  
  #include <memory>
  
  #include "flutter/common/settings.h"
  #include "flutter/runtime/dart_vm.h"
  #include "flutter/testing/elf_loader.h"
  #include "flutter/testing/test_dart_native_resolver.h"
  #include "flutter/testing/testing.h"
  #include "flutter/testing/thread_test.h"
  
  namespace flutter::testing {
  
  class DartFixture {
   public:
    // Uses the default filenames from the fixtures generator.
    DartFixture();
  
    // Allows to customize the kernel, ELF and split ELF filenames.
    DartFixture(std::string kernel_filename,
                std::string elf_filename,
                std::string elf_split_filename);
  
    virtual Settings CreateSettingsForFixture();
  
    void AddNativeCallback(std::string name, Dart_NativeFunction callback);
    void AddFfiNativeCallback(std::string name, void* callback_ptr);
  
   protected:
    void SetSnapshotsAndAssets(Settings& settings);
  
    std::shared_ptr<TestDartNativeResolver> native_resolver_;
    ELFAOTSymbols split_aot_symbols_;
    std::string kernel_filename_;
    std::string elf_filename_;
    fml::UniqueFD assets_dir_;
    ELFAOTSymbols aot_symbols_;
  
   private:
    FML_DISALLOW_COPY_AND_ASSIGN(DartFixture);
  };
  
  }  // namespace flutter::testing
  
  #endif  // FLUTTER_TESTING_DART_FIXTURE_H_
  