js/src/tests/js1_8_5/regress/regress-591846.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.

michael@0 1 /*
michael@0 2 * Any copyright is dedicated to the Public Domain.
michael@0 3 * http://creativecommons.org/licenses/publicdomain/
michael@0 4 */
michael@0 5
michael@0 6 function check(obj, name, value, readonly) {
michael@0 7 // Start with a non-configurable, writable data property implemented via
michael@0 8 // js::PropertyOp getter and setter.
michael@0 9 var pd = Object.getOwnPropertyDescriptor(obj, name);
michael@0 10
michael@0 11 assertEq(pd.configurable, false, "non-configurable " + name);
michael@0 12 assertEq(pd.writable, !readonly, "writable " + name);
michael@0 13
michael@0 14 try {
michael@0 15 // Do not allow a transition from js::PropertyOp to writable js::Value
michael@0 16 // data property.
michael@0 17 Object.defineProperty(obj, name, {writable: true});
michael@0 18 assertEq(0, 1);
michael@0 19 } catch (e) {
michael@0 20 assertEq('' + e, "TypeError: can't redefine non-configurable property '" + name + "'");
michael@0 21 }
michael@0 22
michael@0 23 if (!readonly) {
michael@0 24 try {
michael@0 25 // Do not allow the property denoted by name to become a true data
michael@0 26 // property via a descriptor that preserves the native property's
michael@0 27 // writable attribute.
michael@0 28 Object.defineProperty(obj, name, {value: value});
michael@0 29 assertEq(0, 1);
michael@0 30 } catch (e) {
michael@0 31 assertEq('' + e, "TypeError: can't redefine non-configurable property '" + name + "'");
michael@0 32 }
michael@0 33 }
michael@0 34
michael@0 35 try {
michael@0 36 // Do not allow the property to be frozen at some bogus value.
michael@0 37 Object.defineProperty(obj, name, {value: "bogus", writable: false});
michael@0 38 assertEq(0, 1);
michael@0 39 } catch (e) {
michael@0 40 assertEq('' + e, "TypeError: can't redefine non-configurable property '" + name + "'");
michael@0 41 }
michael@0 42
michael@0 43 // Now make name non-writable.
michael@0 44 Object.defineProperty(obj, name, {writable: false})
michael@0 45
michael@0 46 // Assert that the right getter result "stuck".
michael@0 47 assertEq(obj[name], value);
michael@0 48
michael@0 49 // Test that it is operationally non-writable now.
michael@0 50 obj[name] = "eek!";
michael@0 51 assertEq(obj[name], value);
michael@0 52 }
michael@0 53
michael@0 54 check(Object, 'caller', null, false);
michael@0 55 check(Object, 'arguments', null, false);
michael@0 56
michael@0 57 // Reset RegExp.leftContext to the empty string.
michael@0 58 /x/.test('x');
michael@0 59
michael@0 60 var d = Object.getOwnPropertyDescriptor(RegExp, "leftContext");
michael@0 61 assertEq(d.set, undefined);
michael@0 62 assertEq(typeof d.get, "function");
michael@0 63 assertEq(d.enumerable, true);
michael@0 64 assertEq(d.configurable, false);
michael@0 65 assertEq(d.get.call(RegExp), "");
michael@0 66
michael@0 67 reportCompare(0, 0, "ok");

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