LanguageFeatures/Set-literals/constant_set_literals_A01_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 If s starts with const, then it is a compile-time error if any
 * element expression is not a compile-time constant expression, or if T is not
 * a compile-time constant type.
 *
 * @description Checks that it's a compile-time error if there is an
 * element expression which is not a compile-time constant expression
 * @author sgrekhov@unipro.ru
 */
class A {
  const A();
}
class B extends A {
  const B();
}
class C extends B {
  const C();
}

main() {
  var x;
  var v1 = const {1, 2, '3', new A()};
  //                         ^^^^^^^
  // [analyzer] COMPILE_TIME_ERROR.NON_CONSTANT_SET_ELEMENT
  // [cfe] New expression is not a constant expression.
  var v2 = const [const B(), const C(), const A(), x];
  //                                               ^
  // [analyzer] COMPILE_TIME_ERROR.NON_CONSTANT_LIST_ELEMENT
  // [cfe] Not a constant expression.
  const v3 = {1, 2, '3', new A()};
//                       ^^^^^^^
// [analyzer] unspecified
// [cfe] unspecified
  const v4 = [const B(), const C(), const A(), x];
//                                             ^
// [analyzer] unspecified
// [cfe] unspecified
}