Frame-eval-12.js - mozsearch

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// The arguments can escape from a function via a debugging hook.

var g = newGlobal({newCompartment: true});

var dbg = new Debugger(g);

// capture arguments object and test function

dbg.onDebuggerStatement = function (frame) {

  var args = frame.older.environment.parent.getVariable('arguments');

  assertEq(args.missingArguments, true);

};

g.eval("function h() { debugger; }");

g.eval("function f() { var x = 0; return function() { x++; h() } }");

g.eval("f('ponies')()");