LanguageFeatures/Set-literals/set_literals_A03_t01.dart

/*
 * Copyright (c) 2018, 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 Let T be the explicit or inferred type argument to the type
 * literal. It's a compile-time error if the static type of any element
 * expression is not assignable to T.
 *
 * @description Checks that it's a compile-time error if the static type of any
 * element expression is not assignable to T
 * @author sgrekhov@unipro.ru
 */
class A {
  const A();
}
class B extends A {
  const B();
}
class C extends B {
  const C();
}

main() {
  var v1 = const <int> {1, '2', 3};                 //# 01: compile-time error
  var v2 = <int> {1, '2', 3};                       //# 02: compile-time error
  var v3 = <B> {new B(), new C(), new A()};         //# 03: compile-time error
  var v4 = const <B> {const B(), const C(), const A()}; //# 04: compile-time error
}