| /* -*- indent-tabs-mode: nil; js-indent-level: 2 -*- */ |
| /* |
| * Any copyright is dedicated to the Public Domain. |
| * http://creativecommons.org/licenses/publicdomain/ |
| * Contributor: Robert Sayre |
| */ |
| |
| |
| //----------------------------------------------------------------------------- |
| var BUGNUMBER = 366941; |
| var summary = 'Destructuring enumerations, iterations'; |
| var actual = ''; |
| var expect = ''; |
| |
| |
| //----------------------------------------------------------------------------- |
| test(); |
| //----------------------------------------------------------------------------- |
| |
| function test() |
| { |
| enterFunc ('test'); |
| printBugNumber(BUGNUMBER); |
| printStatus (summary); |
| |
| var list1 = [[1,2],[3,4],[5,6]]; |
| var list2 = [[1,2,3],[4,5,6],[7,8,9]]; |
| |
| expect = '1,2;3,4;5,6;'; |
| actual = ''; |
| |
| for each (var [foo, bar] in list1) { |
| actual += foo + "," + bar + ";"; |
| } |
| |
| reportCompare(expect, actual, summary + ': 1'); |
| |
| expect = '1,2,3;4,5,6;7,8,9;'; |
| actual = ''; |
| for each (var [foo, bar, baz] in list2) { |
| actual += foo + "," + bar + "," + baz + ";"; |
| } |
| |
| reportCompare(expect, actual, summary + ': 2'); |
| |
| function gen(list) { |
| for each (var test in list) { |
| yield test; |
| } |
| } |
| |
| var iter1 = gen(list1); |
| |
| expect = '1,2;3,4;5,6;'; |
| actual = ''; |
| |
| for (var [foo, bar] in iter1) { |
| actual += foo + "," + bar + ";"; |
| } |
| |
| reportCompare(expect, actual, summary + ': 3'); |
| |
| // Before JS1.7's destructuring for…in was fixed to match JS1.8's, |
| // the expected result was a SyntaxError about the for…in loop's lhs. |
| var iter2 = gen(list2); |
| expect = '1,2,3;4,5,6;7,8,9;'; |
| actual = ''; |
| |
| try |
| { |
| eval('for (var [foo, bar, baz] in iter2) {' + |
| 'actual += foo + "," + bar + "," + baz + ";";' + |
| '}'); |
| } |
| catch(ex) |
| { |
| actual = ex + ''; |
| } |
| |
| reportCompare(expect, actual, summary + ': 4'); |
| |
| exitFunc ('test'); |
| } |