1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/js/src/tests/js1_8_1/regress/regress-509354.js Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,41 @@
1.4 +/*
1.5 + * Any copyright is dedicated to the Public Domain.
1.6 + * http://creativecommons.org/licenses/publicdomain/
1.7 + * Contributor: Jason Orendorff <jorendorff@mozilla.com>
1.8 + */
1.9 +
1.10 +// Decompile destructuring argument named `arguments` correctly.
1.11 +var actual = "" + function ([arguments]) {return arguments;};
1.12 +compareSource('function ([arguments]) {return arguments;}', actual, "part 1");
1.13 +
1.14 +// Make sure the 'arguments' argument actually works.
1.15 +var f = function ([arguments]) {return arguments + 1;};
1.16 +reportCompare(3.25, f([2.25]), "part 2");
1.17 +
1.18 +// Throw SyntaxError when `arguments` appears twice in a destructuring parameter.
1.19 +actual = "no exception";
1.20 +try {
1.21 + eval('(function ([arguments, arguments]) {return arguments();})');
1.22 +} catch (exc) {
1.23 + actual = exc.name;
1.24 +}
1.25 +reportCompare("SyntaxError", actual, "part 3");
1.26 +
1.27 +// And again...
1.28 +actual = "no exception";
1.29 +try {
1.30 + eval('(function ([a, b, arguments, d], [e, f, arguments]) {return arguments();})');
1.31 +} catch (exc) {
1.32 + actual = exc.name;
1.33 +}
1.34 +reportCompare("SyntaxError", actual, "part 4");
1.35 +
1.36 +// The original test case from bug 509354. Don't crash.
1.37 +try {
1.38 + eval('print(function([arguments,arguments,arguments,arguments,arguments,' +
1.39 + 'arguments,arguments,arguments,arguments,arguments,arguments,' +
1.40 + 'arguments,arguments,arguments,arguments,arguments]){})');
1.41 +} catch (exc) {
1.42 +}
1.43 +reportCompare("no crash", "no crash", "part 5");
1.44 +
