/* Any copyright is dedicated to the Public Domain.
http://creativecommons.org/publicdomain/zero/1.0/ */
"use strict";
// Tests that the grid outline does reflect the grid in the page even after the grid has
// changed.
const TEST_URI = `
`;
add_task(async function () {
await addTab("data:text/html;charset=utf-8," + encodeURIComponent(TEST_URI));
const { inspector, gridInspector } = await openLayoutView();
const { document: doc } = gridInspector;
const { highlighters, store } = inspector;
info("Clicking on the first checkbox to highlight the grid");
const checkbox = doc.querySelector("#grid-list input");
const onHighlighterShown = highlighters.once("grid-highlighter-shown");
const onCheckboxChange = waitUntilState(
store,
state => state.grids.length == 1 && state.grids[0].highlighted
);
const onGridOutlineRendered = waitForDOM(doc, ".grid-outline-cell", 2);
checkbox.click();
await onHighlighterShown;
await onCheckboxChange;
let elements = await onGridOutlineRendered;
info("Checking the grid outline is shown.");
is(elements.length, 2, "Grid outline is shown.");
info("Changing the grid in the page");
const onReflow = inspector.once("reflow-in-selected-target");
const onGridOutlineChanged = waitForDOM(doc, ".grid-outline-cell", 4);
await SpecialPowers.spawn(gBrowser.selectedBrowser, [], () => {
const div = content.document.createElement("div");
div.textContent = "item 3";
content.document.querySelector(".container").appendChild(div);
});
await onReflow;
elements = await onGridOutlineChanged;
info("Checking the grid outline is correct.");
is(elements.length, 4, "Grid outline was changed.");
});