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Test Info:
/* Any copyright is dedicated to the Public Domain.
"use strict";
// Test that the box model view continues to work after the page is reloaded
add_task(async function () {
const tab = await addTab(URL_ROOT + "doc_boxmodel_iframe1.html");
const browser = tab.linkedBrowser;
const { inspector, boxmodel } = await openLayoutView();
info("Test that the box model view works on the first page");
await assertBoxModelView(inspector, boxmodel, browser);
info("Reload the page");
const onMarkupLoaded = waitForMarkupLoaded(inspector);
await reloadBrowser();
await onMarkupLoaded;
info("Test that the box model view works on the reloaded page");
await assertBoxModelView(inspector, boxmodel, browser);
});
async function assertBoxModelView(inspector, boxmodel, browser) {
await selectNode("p", inspector);
info("Checking that the box model view shows the right value");
const paddingElt = boxmodel.document.querySelector(
".boxmodel-padding.boxmodel-top > span"
);
is(paddingElt.textContent, "50");
info("Listening for box model view changes and modifying the padding");
const onUpdated = waitForUpdate(inspector);
await setStyle(browser, "p", "padding", "20px");
await onUpdated;
ok(true, "Box model view got updated");
info("Checking that the box model view shows the right value after update");
is(paddingElt.textContent, "20");
}