| // Copyright (c) 2012, 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"; |
| |
| closure0() { |
| var fs = []; |
| for (var x = 1; x <= 3; x++) { |
| fs.add(() { |
| return x; |
| }); |
| } |
| Expect.equals(3, fs.length); |
| Expect.equals(1, fs[0]()); |
| Expect.equals(2, fs[1]()); |
| Expect.equals(3, fs[2]()); |
| } |
| |
| closure1() { |
| var fs = []; |
| for (var x = 0; x < 6; x++) { |
| fs.add(() { |
| return x; |
| }); |
| x++; |
| } |
| Expect.equals(3, fs.length); |
| Expect.equals(1, fs[0]()); |
| Expect.equals(3, fs[1]()); |
| Expect.equals(5, fs[2]()); |
| } |
| |
| closure2() { |
| var input = [1, 2, 3]; |
| var fs = []; |
| for (var i = 0; i < input.length; i++) { |
| fs.add(() { |
| return input[i]; |
| }); |
| } |
| Expect.equals(3, fs.length); |
| Expect.equals(1, fs[0]()); |
| Expect.equals(2, fs[1]()); |
| Expect.equals(3, fs[2]()); |
| } |
| |
| closure3() { |
| var fs = []; |
| for (var i = 0; |
| i < 3; |
| (() { |
| fs.add(() => i); |
| i++; |
| })()) { |
| i++; |
| } |
| Expect.equals(2, fs.length); |
| Expect.equals(3, fs[0]()); |
| Expect.equals(4, fs[1]()); |
| } |
| |
| closure4() { |
| var g; |
| for (var i = 0; |
| (() { |
| g = () => i; |
| return false; |
| })(); |
| i++) { |
| Expect.equals(false, true); |
| } |
| Expect.equals(0, g()); |
| } |
| |
| main() { |
| closure0(); |
| closure1(); |
| closure2(); |
| closure3(); |
| closure4(); |
| } |