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/* Any copyright is dedicated to the Public Domain.
http://creativecommons.org/publicdomain/zero/1.0/ */
// Test that sessionrestore handles cycles in the shentry graph properly.
//
// These cycles shouldn't be there in the first place, but they cause hangs
// when they mysteriously appear (bug 687710). Docshell code assumes this
// graph is a tree and tires to walk to the root. But if there's a cycle,
// there is no root, and we loop forever.
var stateBackup = ss.getBrowserState();
var state = {windows:[{tabs:[{entries:[
{
docIdentifier: 1,
url: "http://example.com",
children: [
{
docIdentifier: 2,
url: "http://example.com"
}
]
},
{
docIdentifier: 2,
url: "http://example.com",
children: [
{
docIdentifier: 1,
url: "http://example.com"
}
]
}
]}]}]}
function test() {
registerCleanupFunction(function () {
ss.setBrowserState(stateBackup);
});
/* This test fails by hanging. */
ss.setBrowserState(JSON.stringify(state));
ok(true, "Didn't hang!");
}
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