browser/components/sessionstore/test/browser_687710.js@b8a032363ba2 (annotated)
browser/components/sessionstore/test/browser_687710.js
Thu, 22 Jan 2015 13:21:57 +0100
- author
- Michael Schloh von Bennewitz <michael@schloh.com>
- date
- Thu, 22 Jan 2015 13:21:57 +0100
- branch
- TOR_BUG_9701
- changeset 15
- b8a032363ba2
- permissions
- -rw-r--r--
Incorporate requested changes from Mozilla in review:
https://bugzilla.mozilla.org/show_bug.cgi?id=1123480#c6
| 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 | } |
