The Tor Browser / file comparison
comparison: browser/components/sessionstore/test/browser_687710.js
browser/components/sessionstore/test/browser_687710.js
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| -1:000000000000 | 0:807983cb6937 |
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| 1 /* Any copyright is dedicated to the Public Domain. | |
| 2 http://creativecommons.org/publicdomain/zero/1.0/ */ | |
| 3 | |
| 4 // Test that sessionrestore handles cycles in the shentry graph properly. | |
| 5 // | |
| 6 // These cycles shouldn't be there in the first place, but they cause hangs | |
| 7 // when they mysteriously appear (bug 687710). Docshell code assumes this | |
| 8 // graph is a tree and tires to walk to the root. But if there's a cycle, | |
| 9 // there is no root, and we loop forever. | |
| 10 | |
| 11 let stateBackup = ss.getBrowserState(); | |
| 12 | |
| 13 let state = {windows:[{tabs:[{entries:[ | |
| 14 { | |
| 15 docIdentifier: 1, | |
| 16 url: "http://example.com", | |
| 17 children: [ | |
| 18 { | |
| 19 docIdentifier: 2, | |
| 20 url: "http://example.com" | |
| 21 } | |
| 22 ] | |
| 23 }, | |
| 24 { | |
| 25 docIdentifier: 2, | |
| 26 url: "http://example.com", | |
| 27 children: [ | |
| 28 { | |
| 29 docIdentifier: 1, | |
| 30 url: "http://example.com" | |
| 31 } | |
| 32 ] | |
| 33 } | |
| 34 ]}]}]} | |
| 35 | |
| 36 function test() { | |
| 37 registerCleanupFunction(function () { | |
| 38 ss.setBrowserState(stateBackup); | |
| 39 }); | |
| 40 | |
| 41 /* This test fails by hanging. */ | |
| 42 ss.setBrowserState(JSON.stringify(state)); | |
| 43 ok(true, "Didn't hang!"); | |
| 44 } |
