Language/Expressions/Assignment/variable_assignment_dynamic_error_t01.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.

/// @assertion Evaluation of an assignment of the form v = e2 proceeds as
/// follows:
/// ...
/// It is a dynamic type error if o is not null and the interface of the class of
/// o is not a subtype of the actual type of v.
/// @description Checks that it is a dynamic type error if the interface of
/// the class of o is not a subtype of the actual type of v
/// @author msyabro


import '../../../Utils/dynamic_check.dart';

f(x) => x;

class A {}
class B extends A {}

main() {
  int v;
  B b;

  checkTypeError( () {
    v = f(true); //to avoid static warning
  });
  checkTypeError( () {
    v = f(""); //to avoid static warning
  });
  checkTypeError( () {
    v = f(0.2); //to avoid static warning
  });
  checkTypeError( () {
    b = f(new A()); //to avoid static warning
  });
}