| // Copyright (c) 2014, 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. |
| |
| // @dart = 2.7 |
| |
| import "package:expect/expect.dart"; |
| |
| // Regression test for issue 17645. |
| get never => new DateTime.now().millisecondsSinceEpoch == 0; |
| |
| class A { |
| var foo; |
| A(this.foo); |
| } |
| |
| var log = []; |
| |
| test1(a, xs) { |
| // Called with a = [null|exact=A] |
| log.clear(); |
| for (var x in xs) { |
| if (a != null) { |
| log.add('${a.foo}.$x'); // a.foo must not be hoisted |
| } |
| } |
| return '$log'; |
| } |
| |
| test2(a, xs) { |
| // Called with a = [exact=A] |
| log.clear(); |
| for (var x in xs) { |
| if (a != null) { |
| log.add('${a.foo}.$x'); // a.foo may be hoisted |
| } |
| } |
| return '$log'; |
| } |
| |
| test3(a, xs) { |
| // Called with a = [null|exact=A] |
| log.clear(); |
| for (var x in xs) { |
| if (a is A) { |
| log.add('${a.foo}.$x'); // a.foo must not be hoisted |
| } |
| } |
| return '$log'; |
| } |
| |
| test4(a, xs) { |
| // Called with a = [exact=A] |
| log.clear(); |
| for (var x in xs) { |
| if (a is A) { |
| log.add('${a.foo}.$x'); // a.foo may be hoisted |
| } |
| } |
| return '$log'; |
| } |
| |
| main() { |
| var a1 = new A('a1'); |
| var a2 = new A('a2'); |
| |
| Expect.equals('[a1.11]', test1(a1, [11])); |
| Expect.equals('[]', test1(null, [11])); |
| |
| Expect.equals('[a1.22]', test2(a1, [22])); |
| Expect.equals('[a2.22]', test2(a2, [22])); |
| |
| Expect.equals('[a1.33]', test3(a1, [33])); |
| Expect.equals('[]', test3(null, [2])); |
| |
| Expect.equals('[a1.44]', test4(a1, [44])); |
| Expect.equals('[a2.44]', test4(a2, [44])); |
| } |