browser_DOMDocElementInserted.js

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This test gets skipped with pattern: os == 'linux' && os_version == '22.04' && arch == 'x86_64' && display == 'wayland' OR os == 'linux' && os_version == '24.04' && arch == 'x86_64' && display == 'x11' OR os == 'mac' && os_version == '10.15' && arch == 'x86_64' OR os == 'mac' && os_version == '14.70' && arch == 'x86_64'
Manifest: dom/html/test/browser.toml

// Tests that the DOMDocElementInserted event is visible on the frame

add_task(async function () {

  let tab = BrowserTestUtils.addTab(gBrowser);

  let uri = "data:text/html;charset=utf-8,<html/>";

  // Register synchronously before starting the load to avoid race condition

  let eventPromise = BrowserTestUtils.waitForContentEvent(

    tab.linkedBrowser,

    "DOMDocElementInserted",

    true

);

  BrowserTestUtils.startLoadingURIString(tab.linkedBrowser, uri);

  await eventPromise;

  let loadedURI = await SpecialPowers.spawn(tab.linkedBrowser, [], function () {

    return content.document.documentURI;

});

  is(loadedURI, uri, "Should have seen the event for the right URI");

  gBrowser.removeTab(tab);

});