| /* |
| * 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 A type T is more specific than a type S, written T << S, if T is ⊥. |
| * << is a partial order on types. T is a subtype of S, written T <: S, iff [⊥/Dynamic]T << S. |
| * A type T may be assigned to a type S, written T <=> S, if either T <: S or S <: T. |
| * @description Checks that dynamic is subtype of any type (dynamic <: S, because Null << S) |
| * @note Checking indirectly cause there is no object has runtime type dynamic. Check that |
| * List<dynamic> is subtype of List<any type>. |
| * @author ilya |
| */ |
| import "../../Utils/expect.dart"; |
| |
| main() { |
| Expect.isTrue([1, null, 'string'] is List<double>); |
| Expect.isTrue([1, null, 'string'] is List<String>); |
| Expect.isTrue([1, null, 'string'] is List<List>); |
| } |