# Copyright (c) 2020, 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.md file.

# The FFI transformation of nested structs has to update both position and size
# of non-changed libraries, so the alternative invalidation has to be disabled.

type: newworld
worlds:
  - entry: main.dart
    experiments: alternative-invalidation-strategy,non-nullable
    sources:
      main.dart: |
        import "dart:ffi";
        import 'lib.dart';
        class X extends Struct {
          external Y x1;
          external Y x2;
          @Uint8()
          external int x3;
        }
      lib.dart: |
        import 'dart:ffi';
        class Y extends Struct {
          @Uint8()
          external int y1;
          @Uint8()
          external int y2;
          @Uint64()
          external int y3;
        }
    expectedLibraryCount: 2

  - entry: main.dart
    experiments: alternative-invalidation-strategy,non-nullable
    worldType: updated
    expectInitializeFromDill: false
    invalidate:
      - lib.dart
    sources:
      lib.dart: |
        import 'dart:ffi';
        class Y extends Struct {
          @Uint8()
          external int y1;
          @Uint64()
          external int y3;
          @Uint8()
          external int y2;
        }
    expectedLibraryCount: 2
    # The FFI transformation have to update the size and position of containers
    # (i.e. other structs with this Struct inside), so rebuilding only the
    # changed library doesn't work.
    expectsRebuildBodiesOnly: false