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js/src/jit-test/tests/jaeger/propertyOptimize-4.js@129ffea94266

js/src/jit-test/tests/jaeger/propertyOptimize-4.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.

 // Make sure new script properties can be invalidated on specialized prototype

 // types while they are still being constructed.

 function Foo(a, b, c) {

   this.x = a + b;

   this.y = c;

 }

 updated = false;

 var o = {valueOf: function() {

     Object.defineProperty(Object.prototype, 'y', {set:function() { updated = true; }})

   }};

 function Bar() {}

 Bar.prototype = new Foo(o, 1, 2);

 assertEq(updated, true);

 assertEq(Bar.prototype.y, undefined);