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Diffstat (limited to 'js/src/tests/non262/generators/regress-366941.js')
-rw-r--r-- | js/src/tests/non262/generators/regress-366941.js | 80 |
1 files changed, 80 insertions, 0 deletions
diff --git a/js/src/tests/non262/generators/regress-366941.js b/js/src/tests/non262/generators/regress-366941.js new file mode 100644 index 0000000000..6997aae044 --- /dev/null +++ b/js/src/tests/non262/generators/regress-366941.js @@ -0,0 +1,80 @@ +/* -*- 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() +{ + 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 (var [foo, bar] of list1) { + actual += foo + "," + bar + ";"; + } + + reportCompare(expect, actual, summary + ': 1'); + + expect = '1,2,3;4,5,6;7,8,9;'; + actual = ''; + for (var [foo, bar, baz] of list2) { + actual += foo + "," + bar + "," + baz + ";"; + } + + reportCompare(expect, actual, summary + ': 2'); + + function* gen(list) { + for (var test of list) { + yield test; + } + } + + var iter1 = gen(list1); + + expect = '1,2;3,4;5,6;'; + actual = ''; + + for (var [foo, bar] of 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] of iter2) {' + + 'actual += foo + "," + bar + "," + baz + ";";' + + '}'); + } + catch(ex) + { + actual = ex + ''; + } + + reportCompare(expect, actual, summary + ': 4'); +} |