js/src/jit-test/tests/basic/splice-delete-non-configurable-during-shrink.js@129ffea94266
js/src/jit-test/tests/basic/splice-delete-non-configurable-during-shrink.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.
1 /* Test that splice causing deletion of a non-configurable property stops at exactly step 12(v) of ES5 15.4.4.12 */
3 var O = [1,2,3,4,5,6];
4 var A = undefined;
5 Object.defineProperty(O, 3, { configurable: false });
7 try
8 {
9 A = O.splice(0, 6);
10 throw new Error("didn't throw, returned " + A);
11 }
12 catch (e)
13 {
14 assertEq(e instanceof TypeError, true,
15 "deleting O[3] should have caused a TypeError");
16 }
18 assertEq(O.length, 6); // setting length not reached
19 assertEq(A, undefined); // return value not reached
21 assertEq(O[5], undefined); // deletion reached
22 assertEq(O[4], undefined); // deletion reached
23 assertEq(O[3], 4); // deletion caused exception
24 assertEq(O[2], 3); // deletion not reached
25 assertEq(O[1], 2); // deletion not reached
26 assertEq(O[0], 1); // deletion not reached
