| // Copyright (c) 2019, 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 Test for type aliases for built-in types |
| * @description Checks use of type aliases for built-in types as return values |
| * @author sgrekhov@unipro.ru |
| */ |
| // SharedOptions=--enable-experiment=nonfunction-type-aliases |
| import '../../../Utils/expect.dart'; |
| |
| typedef IntAlias = int; |
| typedef NumAlias = num; |
| typedef DoubleAlias = double; |
| typedef BoolAlias = bool; |
| typedef StringAlias = String; |
| |
| int fooInt(IntAlias i) => i; |
| num fooNum(NumAlias n) => n; |
| double fooDouble(DoubleAlias d) => d; |
| bool fooBool(BoolAlias b) => b; |
| String fooString(StringAlias s) => s; |
| |
| main() { |
| IntAlias i = 1; |
| NumAlias n = 3.14; |
| DoubleAlias d = 3.1415; |
| BoolAlias b = true; |
| StringAlias s = "Lily was here"; |
| |
| Expect.equals(1, fooInt(i)); |
| Expect.equals(3.14, fooNum(n)); |
| Expect.equals(3.1415, fooDouble(d)); |
| Expect.isTrue(fooBool(b)); |
| Expect.equals("Lily was here", fooString(s)); |
| |
| i = 3; |
| n = 1; |
| d = 4; |
| b = false; |
| s = "Run, Forrest, Run!"; |
| |
| Expect.equals(3, fooInt(i)); |
| Expect.equals(1, fooNum(n)); |
| Expect.equals(4, fooDouble(d)); |
| Expect.isFalse(fooBool(b)); |
| Expect.equals("Run, Forrest, Run!", fooString(s)); |
| } |