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import FIREFOX_52_6_0esr_RELEASE from mozilla-esr52 hg repo

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This commit is contained in:
Roy Tam 2018-01-19 03:59:58 +08:00
commit dcd9973243
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45
gfx/tests/browser/browser_windowless_troubleshoot_crash.js Normal file
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let { Services } = Cu.import("resource://gre/modules/Services.jsm", {});
add_task(function* test_windowlessBrowserTroubleshootCrash() {
let webNav = Services.appShell.createWindowlessBrowser(false);
let onLoaded = new Promise((resolve, reject) => {
let docShell = webNav.QueryInterface(Ci.nsIInterfaceRequestor)
.getInterface(Ci.nsIDocShell);
let listener = {
observe(contentWindow, topic, data) {
let observedDocShell = contentWindow.QueryInterface(Ci.nsIInterfaceRequestor)
.getInterface(Ci.nsIWebNavigation)
.QueryInterface(Ci.nsIDocShellTreeItem)
.sameTypeRootTreeItem
.QueryInterface(Ci.nsIDocShell);
if (docShell === observedDocShell) {
Services.obs.removeObserver(listener, "content-document-global-created", false);
resolve();
}
}
}
Services.obs.addObserver(listener, "content-document-global-created", false);
});
webNav.loadURI("about:blank", 0, null, null, null);
yield onLoaded;
let winUtils = webNav.document.defaultView.
QueryInterface(Ci.nsIInterfaceRequestor).
getInterface(Ci.nsIDOMWindowUtils);
is(winUtils.layerManagerType, "None", "windowless browser's layerManagerType should be 'None'");
ok(true, "not crashed");
var Troubleshoot = Cu.import("resource://gre/modules/Troubleshoot.jsm", {}).Troubleshoot;
var data = yield new Promise((resolve, reject) => {
Troubleshoot.snapshot((data) => {
resolve(data);
});
});
ok(data.graphics.windowLayerManagerType !== "None", "windowless browser window should not set windowLayerManagerType to 'None'");
webNav.close();
});