pkg/analyzer/test/src/diagnostics/generic_struct_subclass_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 'package:test_reflective_loader/test_reflective_loader.dart';

import '../dart/resolution/context_collection_resolution.dart';

main() {
  defineReflectiveSuite(() {
    defineReflectiveTests(GenericStructSubclassTest);
  });
}

@reflectiveTest
class GenericStructSubclassTest extends PubPackageResolutionTest {
  test_genericStruct() async {
    await resolveTestCodeWithDiagnostics(r'''
import 'dart:ffi';
final class S<T> extends Struct {
//          ^
// [diag.genericStructSubclass] The class 'S' can't extend 'Struct' or 'Union' because 'S' is generic.
  external Pointer notEmpty;
}
''');
  }

  test_genericUnion() async {
    await resolveTestCodeWithDiagnostics(r'''
import 'dart:ffi';
final class S<T> extends Union {
//          ^
// [diag.genericStructSubclass] The class 'S' can't extend 'Struct' or 'Union' because 'S' is generic.
  external Pointer notEmpty;
}
''');
  }

  test_validStruct() async {
    await resolveTestCodeWithDiagnostics(r'''
import 'dart:ffi';
final class S extends Struct {
  external Pointer notEmpty;
}
''');
  }
}