| // 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"; |
| |
| break1(int x, int y, int ew, int ez) { |
| int w = 1; |
| int z = 0; |
| bk1: |
| if (x == 2) { |
| z = 1; |
| if (y == 3) { |
| w = 2; |
| break bk1; |
| } else { |
| w = 3; |
| } |
| } else { |
| z = 2; |
| if (y == 3) { |
| w = 4; |
| } else { |
| w = 5; |
| break bk1; |
| } |
| break bk1; |
| } |
| Expect.equals(ew, w); |
| Expect.equals(ez, z); |
| } |
| |
| break2(int x, int y, int ew, int ez) { |
| int w = 1; |
| int z = 0; |
| bk1: |
| do { |
| if (x == 2) { |
| z = 1; |
| if (y == 3) { |
| w = 2; |
| break bk1; |
| } else { |
| w = 3; |
| } |
| } else { |
| z = 2; |
| if (y == 3) { |
| w = 4; |
| } else { |
| w = 5; |
| break bk1; |
| } |
| break bk1; |
| } |
| } while (false); |
| Expect.equals(ew, w); |
| Expect.equals(ez, z); |
| } |
| |
| break3(int x, int y, int ew, int ez) { |
| int w = 1; |
| int z = 0; |
| do { |
| if (x == 2) { |
| z = 1; |
| if (y == 3) { |
| w = 2; |
| break; |
| } else { |
| w = 3; |
| } |
| } else { |
| z = 2; |
| if (y == 3) { |
| w = 4; |
| } else { |
| w = 5; |
| break; |
| } |
| break; |
| } |
| } while (false); |
| Expect.equals(ew, w); |
| Expect.equals(ez, z); |
| } |
| |
| obscureBreaks(x) { |
| bool result = true; |
| bar: |
| do { |
| if (x == 1) { |
| foo: |
| break; |
| } else if (x == 2) { |
| foo: |
| break bar; |
| } else if (x == 3) { |
| bar: |
| break; |
| } else if (x == 4) { |
| break bar; |
| } else { |
| result = false; |
| } |
| } while (false); |
| return result; |
| } |
| |
| ifBreaks(x, y) { |
| int res = 2; |
| foo: |
| if (x == 1) |
| bar: |
| { |
| if (y == 2) { |
| res = 4; |
| break foo; |
| } else if (y == 3) { |
| res = 5; |
| break bar; |
| } |
| res = 3; |
| } |
| else |
| baz: |
| { |
| if (y == 2) { |
| res = 7; |
| break foo; |
| } else if (y == 3) { |
| res = 8; |
| break baz; |
| } |
| res = 6; |
| } |
| return res; |
| } |
| |
| main() { |
| break1(2, 3, 2, 1); |
| break1(2, 4, 3, 1); |
| break1(3, 3, 4, 2); |
| break1(3, 4, 5, 2); |
| break2(2, 3, 2, 1); |
| break2(2, 4, 3, 1); |
| break2(3, 3, 4, 2); |
| break2(3, 4, 5, 2); |
| break3(2, 3, 2, 1); |
| break3(2, 4, 3, 1); |
| break3(3, 3, 4, 2); |
| break3(3, 4, 5, 2); |
| Expect.isTrue(obscureBreaks(1), "1"); |
| Expect.isTrue(obscureBreaks(2), "2"); |
| Expect.isTrue(obscureBreaks(3), "3"); |
| Expect.isTrue(obscureBreaks(4), "4"); |
| Expect.isFalse(obscureBreaks(5), "5"); |
| Expect.equals(3, ifBreaks(1, 4)); |
| Expect.equals(4, ifBreaks(1, 2)); |
| Expect.equals(5, ifBreaks(1, 3)); |
| Expect.equals(6, ifBreaks(2, 4)); |
| Expect.equals(7, ifBreaks(2, 2)); |
| Expect.equals(8, ifBreaks(2, 3)); |
| } |