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Test Info:
/* Any copyright is dedicated to the Public Domain.
"use strict";
// Test that the box model view for elements within iframes also updates when they
// change
add_task(async function () {
const tab = await addTab(URL_ROOT + "doc_boxmodel_iframe1.html");
const browser = tab.linkedBrowser;
const { inspector, boxmodel } = await openLayoutView();
await testResizingInIframe(inspector, boxmodel, browser);
await testReflowsAfterIframeDeletion(inspector, boxmodel, browser);
});
async function testResizingInIframe(inspector, boxmodel, browser) {
info("Test that resizing an element in an iframe updates its box model");
info("Selecting the nested test node");
await selectNodeInFrames(["iframe", "iframe", "div"], inspector);
info("Checking that the box model view shows the right value");
const sizeElt = boxmodel.document.querySelector(".boxmodel-size > span");
is(sizeElt.textContent, "400\u00D7200");
info("Listening for box model view changes and modifying its size");
const onUpdated = waitForUpdate(inspector);
await setStyleInNestedIframe(browser, "div", "width", "200px");
await onUpdated;
ok(true, "Box model view got updated");
info("Checking that the box model view shows the right value after update");
is(sizeElt.textContent, "200\u00D7200");
}
async function testReflowsAfterIframeDeletion(inspector, boxmodel, browser) {
info(
"Test reflows are still sent to the box model view after deleting an " +
"iframe"
);
info("Deleting the iframe2");
const onInspectorUpdated = inspector.once("inspector-updated");
await removeNestedIframe(browser);
await onInspectorUpdated;
info("Selecting the test node in iframe1");
await selectNodeInFrames(["iframe", "p"], inspector);
info("Checking that the box model view shows the right value");
const sizeElt = boxmodel.document.querySelector(".boxmodel-size > span");
is(sizeElt.textContent, "100\u00D7100");
info("Listening for box model view changes and modifying its size");
const onUpdated = waitForUpdate(inspector);
await setStyleInIframe(browser, "p", "width", "200px");
await onUpdated;
ok(true, "Box model view got updated");
info("Checking that the box model view shows the right value after update");
is(sizeElt.textContent, "200\u00D7100");
}
async function setStyleInIframe(browser, selector, propertyName, value) {
const context = await getBrowsingContextInFrames(browser, ["iframe"]);
return setStyle(context, selector, propertyName, value);
}
async function setStyleInNestedIframe(browser, selector, propertyName, value) {
const context = await getBrowsingContextInFrames(browser, [
"iframe",
"iframe",
]);
return setStyle(context, selector, propertyName, value);
}
async function removeNestedIframe(browser) {
const context = await getBrowsingContextInFrames(browser, ["iframe"]);
await SpecialPowers.spawn(context, [], () =>
content.document.querySelector("iframe").remove()
);
}