25 lines
795 B
JavaScript
25 lines
795 B
JavaScript
// Tests that the DOMDocElementInserted event is visible on the frame
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add_task(function*() {
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let tab = gBrowser.addTab();
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let uri = "data:text/html;charset=utf-8,<html/>"
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let eventPromise = ContentTask.spawn(tab.linkedBrowser, null, function() {
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Cu.import("resource://gre/modules/PromiseUtils.jsm");
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let deferred = PromiseUtils.defer();
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let listener = (event) => {
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removeEventListener("DOMDocElementInserted", listener, true);
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deferred.resolve(event.target.documentURIObject.spec);
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};
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addEventListener("DOMDocElementInserted", listener, true);
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return deferred.promise;
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});
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tab.linkedBrowser.loadURI(uri);
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let loadedURI = yield eventPromise;
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is(loadedURI, uri, "Should have seen the event for the right URI");
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gBrowser.removeTab(tab);
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});
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