From 6bf0a5cb5034a7e684dcc3500e841785237ce2dd Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sun, 7 Apr 2024 19:32:43 +0200 Subject: Adding upstream version 1:115.7.0. Signed-off-by: Daniel Baumann --- .../components/sessionstore/test/browser_687710.js | 58 ++++++++++++++++++++++ 1 file changed, 58 insertions(+) create mode 100644 browser/components/sessionstore/test/browser_687710.js (limited to 'browser/components/sessionstore/test/browser_687710.js') diff --git a/browser/components/sessionstore/test/browser_687710.js b/browser/components/sessionstore/test/browser_687710.js new file mode 100644 index 0000000000..e90c74c881 --- /dev/null +++ b/browser/components/sessionstore/test/browser_687710.js @@ -0,0 +1,58 @@ +/* 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", + triggeringPrincipal_base64, + children: [ + { + docIdentifier: 2, + url: "http://example.com", + triggeringPrincipal_base64, + }, + ], + }, + { + docIdentifier: 2, + url: "http://example.com", + triggeringPrincipal_base64, + children: [ + { + docIdentifier: 1, + url: "http://example.com", + triggeringPrincipal_base64, + }, + ], + }, + ], + }, + ], + }, + ], +}; + +add_task(async function test() { + registerCleanupFunction(function () { + ss.setBrowserState(stateBackup); + }); + + /* This test fails by hanging. */ + await setBrowserState(state); + ok(true, "Didn't hang!"); +}); -- cgit v1.2.3