23 lines
721 B
JavaScript
23 lines
721 B
JavaScript
// Tests that the DOMDocElementInserted event is visible on the frame
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add_task(async function () {
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let tab = BrowserTestUtils.addTab(gBrowser);
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let uri = "data:text/html;charset=utf-8,<html/>";
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// Register synchronously before starting the load to avoid race condition
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let eventPromise = BrowserTestUtils.waitForContentEvent(
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tab.linkedBrowser,
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"DOMDocElementInserted",
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true
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);
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BrowserTestUtils.startLoadingURIString(tab.linkedBrowser, uri);
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await eventPromise;
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let loadedURI = await SpecialPowers.spawn(tab.linkedBrowser, [], function () {
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return content.document.documentURI;
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});
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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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