55 lines
1.7 KiB
JavaScript
55 lines
1.7 KiB
JavaScript
add_task(async function test_windowlessBrowserTroubleshootCrash() {
|
|
let webNav = Services.appShell.createWindowlessBrowser(false);
|
|
|
|
let onLoaded = new Promise(resolve => {
|
|
let docShell = webNav.docShell;
|
|
let listener = {
|
|
observe(contentWindow) {
|
|
let observedDocShell =
|
|
contentWindow.docShell.sameTypeRootTreeItem.QueryInterface(
|
|
Ci.nsIDocShell
|
|
);
|
|
if (docShell === observedDocShell) {
|
|
Services.obs.removeObserver(
|
|
listener,
|
|
"content-document-global-created"
|
|
);
|
|
resolve();
|
|
}
|
|
},
|
|
};
|
|
Services.obs.addObserver(listener, "content-document-global-created");
|
|
});
|
|
let loadURIOptions = {
|
|
triggeringPrincipal: Services.scriptSecurityManager.createNullPrincipal({}),
|
|
};
|
|
webNav.loadURI(Services.io.newURI("about:blank"), loadURIOptions);
|
|
|
|
await onLoaded;
|
|
|
|
let winUtils = webNav.document.defaultView.windowUtils;
|
|
try {
|
|
let layerManager = winUtils.layerManagerType;
|
|
ok(
|
|
layerManager == "Basic" || layerManager == "WebRender (Software)",
|
|
"windowless browser's layerManagerType should be 'Basic' or 'WebRender (Software)'"
|
|
);
|
|
} catch (e) {
|
|
// The windowless browser may not have a layermanager at all yet, and that's ok.
|
|
// The troubleshooting code similarly skips over windows with no layer managers.
|
|
}
|
|
ok(true, "not crashed");
|
|
|
|
var { Troubleshoot } = ChromeUtils.importESModule(
|
|
"resource://gre/modules/Troubleshoot.sys.mjs"
|
|
);
|
|
var data = await Troubleshoot.snapshot();
|
|
|
|
Assert.notStrictEqual(
|
|
data.graphics.windowLayerManagerType,
|
|
"None",
|
|
"windowless browser window should not set windowLayerManagerType to 'None'"
|
|
);
|
|
|
|
webNav.close();
|
|
});
|