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Test Info:
/* Any copyright is dedicated to the Public Domain.
"use strict";
// Test toggling (expand/collapse) elements by dbl-clicking on tag lines
const TEST_URL = URL_ROOT + "doc_markup_toggle.html";
add_task(async function () {
const { inspector } = await openInspectorForURL(TEST_URL);
info("Getting the container for the UL parent element");
const container = await getContainerForSelector("ul", inspector);
info("Dbl-clicking on the UL parent expander, and waiting for children");
const onChildren = waitForChildrenUpdated(inspector);
const onUpdated = inspector.once("inspector-updated");
EventUtils.synthesizeMouseAtCenter(
container.tagLine,
{ clickCount: 2 },
inspector.markup.doc.defaultView
);
await onChildren;
await onUpdated;
info("Checking that child LI elements have been created");
let numLi = await getNumberOfMatchingElementsInContentPage("li");
for (let i = 0; i < numLi; i++) {
const liContainer = await getContainerForSelector(
"li:nth-child(" + (i + 1) + ")",
inspector
);
ok(liContainer, "A container for the child LI element was created");
}
ok(container.expanded, "Parent UL container is expanded");
info("Dbl-clicking again on the UL expander");
// No need to wait, this is a local, synchronous operation where nodes are
// only hidden from the view, not destroyed
EventUtils.synthesizeMouseAtCenter(
container.tagLine,
{ clickCount: 2 },
inspector.markup.doc.defaultView
);
info("Checking that child LI elements have been hidden");
numLi = await getNumberOfMatchingElementsInContentPage("li");
for (let i = 0; i < numLi; i++) {
const liContainer = await getContainerForSelector(
"li:nth-child(" + (i + 1) + ")",
inspector
);
is(
liContainer.elt.getClientRects().length,
0,
"The container for the child LI element was hidden"
);
}
ok(!container.expanded, "Parent UL container is collapsed");
});