forked from mirrors/gecko-dev
6ee4299e04
MozReview-Commit-ID: 5d1E5TjKnIR --HG-- extra : rebase_source : be521af44edeae3f218602b4e279cfeb17ae866f
48 lines
1.2 KiB
JavaScript
48 lines
1.2 KiB
JavaScript
/* Any copyright is dedicated to the Public Domain.
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http://creativecommons.org/publicdomain/zero/1.0/ */
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// Test that sessionrestore handles cycles in the shentry graph properly.
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//
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// These cycles shouldn't be there in the first place, but they cause hangs
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// when they mysteriously appear (bug 687710). Docshell code assumes this
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// graph is a tree and tires to walk to the root. But if there's a cycle,
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// there is no root, and we loop forever.
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var stateBackup = ss.getBrowserState();
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var state = {windows: [{tabs: [{entries: [
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{
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docIdentifier: 1,
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url: "http://example.com",
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triggeringPrincipal_base64,
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children: [
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{
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docIdentifier: 2,
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url: "http://example.com",
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triggeringPrincipal_base64,
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}
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]
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},
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{
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docIdentifier: 2,
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url: "http://example.com",
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triggeringPrincipal_base64,
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children: [
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{
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docIdentifier: 1,
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url: "http://example.com",
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triggeringPrincipal_base64,
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}
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]
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}
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]}]}]};
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add_task(async function test() {
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registerCleanupFunction(function() {
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ss.setBrowserState(stateBackup);
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});
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/* This test fails by hanging. */
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await setBrowserState(state);
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ok(true, "Didn't hang!");
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});
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