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js/src/jit-test/tests/basic/testSetProtoRegeneratesObjectShape.js@129ffea94266

js/src/jit-test/tests/basic/testSetProtoRegeneratesObjectShape.js

Sat, 03 Jan 2015 20:18:00 +0100

author

Michael Schloh von Bennewitz <michael@schloh.com>

date

Sat, 03 Jan 2015 20:18:00 +0100

branch

TOR_BUG_3246

changeset 7

129ffea94266

permissions

-rw-r--r--

Conditionally enable double key logic according to:
private browsing mode or privacy.thirdparty.isolate preference and
implement in GetCookieStringCommon and FindCookie where it counts...
With some reservations of how to convince FindCookie users to test
condition and pass a nullptr when disabling double key logic.

 function testSetProtoRegeneratesObjectShape()

 {

   var f = function() {};

   var g = function() {};

   g.prototype.__proto__ = {};

   function iq(obj)

   {

     for (var i = 0; i < 10; ++i)

       "" + obj.prototype;

   }

   iq(f);

   iq(f);

   iq(f);

   iq(f);

   iq(g);

   if (shapeOf(f.prototype) === shapeOf(g.prototype))

     return "object shapes same after proto of one is changed";

   return true;

 }

 assertEq(testSetProtoRegeneratesObjectShape(), true);