browser/components/sessionstore/test/browser_687710.js@6474c204b198 (annotated)
browser/components/sessionstore/test/browser_687710.js
Wed, 31 Dec 2014 06:09:35 +0100
- author
- Michael Schloh von Bennewitz <michael@schloh.com>
- date
- Wed, 31 Dec 2014 06:09:35 +0100
- changeset 0
- 6474c204b198
- permissions
- -rw-r--r--
Cloned upstream origin tor-browser at tor-browser-31.3.0esr-4.5-1-build1
revision ID fc1c9ff7c1b2defdbc039f12214767608f46423f for hacking purpose.
| michael@0 | 1 | /* Any copyright is dedicated to the Public Domain. |
| michael@0 | 2 | http://creativecommons.org/publicdomain/zero/1.0/ */ |
| michael@0 | 3 | |
| michael@0 | 4 | // Test that sessionrestore handles cycles in the shentry graph properly. |
| michael@0 | 5 | // |
| michael@0 | 6 | // These cycles shouldn't be there in the first place, but they cause hangs |
| michael@0 | 7 | // when they mysteriously appear (bug 687710). Docshell code assumes this |
| michael@0 | 8 | // graph is a tree and tires to walk to the root. But if there's a cycle, |
| michael@0 | 9 | // there is no root, and we loop forever. |
| michael@0 | 10 | |
| michael@0 | 11 | let stateBackup = ss.getBrowserState(); |
| michael@0 | 12 | |
| michael@0 | 13 | let state = {windows:[{tabs:[{entries:[ |
| michael@0 | 14 | { |
| michael@0 | 15 | docIdentifier: 1, |
| michael@0 | 16 | url: "http://example.com", |
| michael@0 | 17 | children: [ |
| michael@0 | 18 | { |
| michael@0 | 19 | docIdentifier: 2, |
| michael@0 | 20 | url: "http://example.com" |
| michael@0 | 21 | } |
| michael@0 | 22 | ] |
| michael@0 | 23 | }, |
| michael@0 | 24 | { |
| michael@0 | 25 | docIdentifier: 2, |
| michael@0 | 26 | url: "http://example.com", |
| michael@0 | 27 | children: [ |
| michael@0 | 28 | { |
| michael@0 | 29 | docIdentifier: 1, |
| michael@0 | 30 | url: "http://example.com" |
| michael@0 | 31 | } |
| michael@0 | 32 | ] |
| michael@0 | 33 | } |
| michael@0 | 34 | ]}]}]} |
| michael@0 | 35 | |
| michael@0 | 36 | function test() { |
| michael@0 | 37 | registerCleanupFunction(function () { |
| michael@0 | 38 | ss.setBrowserState(stateBackup); |
| michael@0 | 39 | }); |
| michael@0 | 40 | |
| michael@0 | 41 | /* This test fails by hanging. */ |
| michael@0 | 42 | ss.setBrowserState(JSON.stringify(state)); |
| michael@0 | 43 | ok(true, "Didn't hang!"); |
| michael@0 | 44 | } |
