pkg/kernel/test/binary/library_flags_test.dart

// Copyright (c) 2019, the Dart project authors.  Please see the AUTHORS file
// for details. All rights reserved. Use of this source code is governed by a
// BSD-style license that can be found in the LICENSE file.

import 'utils.dart';

/// Test that library flags are serialized and read correctly.
void main() {
  void setSynthetic(Library lib, bool isSynthetic) {
    lib.isSynthetic = isSynthetic;
  }

  void verifySynthetic(Library lib, bool isSynthetic) {
    if (lib.isSynthetic != isSynthetic) {
      throw "Serialized and re-read library had change in synthetic flag.";
    }
  }

  int combination = 0;
  for (bool isSynthetic in [true, false]) {
    combination++;
    print("Checking combination #$combination ("
        "isSynthetic: $isSynthetic");
    Uri uri = Uri.parse("foo://bar.dart");
    Library lib = new Library(uri, fileUri: uri);
    setSynthetic(lib, isSynthetic);
    Library lib2 = libRoundTrip(lib);
    verifySynthetic(lib2, isSynthetic);
  }

  print("Done: Everything looks good.");
}