michael@0: /*
michael@0:  * Any copyright is dedicated to the Public Domain.
michael@0:  * http://creativecommons.org/licenses/publicdomain/
michael@0:  * Contributor: Jason Orendorff <jorendorff@mozilla.com>
michael@0:  */
michael@0: 
michael@0: // Decompile destructuring argument named `arguments` correctly.
michael@0: var actual = "" + function ([arguments]) {return arguments;};
michael@0: compareSource('function ([arguments]) {return arguments;}', actual, "part 1");
michael@0: 
michael@0: // Make sure the 'arguments' argument actually works.
michael@0: var f = function ([arguments]) {return arguments + 1;};
michael@0: reportCompare(3.25, f([2.25]), "part 2");
michael@0: 
michael@0: // Throw SyntaxError when `arguments` appears twice in a destructuring parameter.
michael@0: actual = "no exception";
michael@0: try {
michael@0:     eval('(function ([arguments, arguments]) {return arguments();})');
michael@0: } catch (exc) {
michael@0:     actual = exc.name;
michael@0: }
michael@0: reportCompare("SyntaxError", actual, "part 3");
michael@0: 
michael@0: // And again...
michael@0: actual = "no exception";
michael@0: try {
michael@0:     eval('(function ([a, b, arguments, d], [e, f, arguments]) {return arguments();})');
michael@0: } catch (exc) {
michael@0:     actual = exc.name;
michael@0: }
michael@0: reportCompare("SyntaxError", actual, "part 4");
michael@0: 
michael@0: // The original test case from bug 509354. Don't crash.
michael@0: try {
michael@0:     eval('print(function([arguments,arguments,arguments,arguments,arguments,' +
michael@0:          'arguments,arguments,arguments,arguments,arguments,arguments,' +
michael@0:          'arguments,arguments,arguments,arguments,arguments]){})');
michael@0: } catch (exc) {
michael@0: }
michael@0: reportCompare("no crash", "no crash", "part 5");
michael@0: