| /* |
| * 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 Execution of a case clause case ek: sk of a switch statement |
| * switch (e) {label11 ..label1j1 case e1: s1 … labeln1 ..labelnjn case en: sn default: sn+1} |
| * proceeds as follows: |
| * The expression ek == id is evaluated to an object o which is then |
| * subjected to boolean conversion yielding a value v. |
| * If v is not true, the following case, case ek+1: sk+1 is executed if it exists. |
| * If case ek+1: sk+1 does not exist, then the default clause is executed by executing sn+1. |
| * If v is true, let h be the smallest integer such that h >= k and sh is non-empty. |
| * If no such h exists, let h = n + 1. The sequence of statements sh is then executed. |
| * If execution reaches the point after sh then a runtime error occurs, unless h = n + 1. |
| * @description Checks that the cases are tested in the specified order, top to bottom |
| * and if there're no statements in the matching case, then Dart continues looking for |
| * statements to execute down from there. Some case expressions are equal to each other. |
| * @author rodionov |
| * @reviewer iefremov |
| */ |
| import "../../Utils/expect.dart"; |
| |
| test(value) { |
| var result; |
| |
| switch(value) { |
| case 3: |
| return 1; |
| case 1: |
| return 2; |
| case 2: |
| return 3; |
| case 1: |
| return 4; |
| case 1: |
| return 5; |
| case 2: |
| return 6; |
| case 4: |
| case 5: |
| case 6: |
| return 7; |
| default: |
| return -1; |
| } |
| return result; |
| } |
| |
| main() { |
| Expect.equals(2, test(1)); |
| Expect.equals(3, test(2)); |
| Expect.equals(1, test(3)); |
| Expect.equals(7, test(4)); |
| Expect.equals(7, test(5)); |
| Expect.equals(7, test(6)); |
| Expect.equals(-1, test(7)); |
| } |