sdk/tests/language/constructor_duplicate_initializers_test.dart

// Copyright (c) 2011, 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.
// Check that initializers are not duplicated


class Class {
  Class(var v)
    : field_ = v
      // Test against duplicate final field initializaion in initializing list.
    , field_ = 2  /// 01: compile-time error
  ;
  Class.field(this.field_)
      // Test against duplicate final field initialization between initializing
      // formals and initializer list.
    : field_ = 2  /// 02: compile-time error
  ;
  // Test against duplicate final field initialization in initializing formals.
  Class.two_fields(this.field_
    , this.field_ /// 03: compile-time error
  );
  final field_;
}

main() {
  new Class(42);
  new Class.field(42);
  new Class.two_fields(42
    , 42   /// 03: continued
  );
}