Language/Expressions/Additive_Expressions/syntax_t17.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.

// @dart = 2.9

/// @assertion Additive expressions invoke the addition operators on objects.
/// additiveExpression:
///   multiplicativeExpression (additiveOperator multiplicativeExpression)* |
///   super (additiveOperator multiplicativeExpression)+
/// ;
/// additiveOperator:
///   '+' |
///   '-'
/// ;
/// An additive expression is either a multiplicative expression, or an
/// invocation of an additive operator on either super or an expression e1, with
/// argument e2.
/// @description Checks that using an assignment expression as the first operand
/// of an additive expression results in the latter being an operand of the
/// former.
/// @author rodionov
/// @reviewer iefremov

import '../../../Utils/expect.dart';


main() {
  var foo, bar;
  bar = (foo = 1 + 2);
  Expect.equals(3, foo);
  Expect.equals(3, bar);
}