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Test Info:
/* Any copyright is dedicated to the Public Domain.
"use strict";
// Tests toggling ON/OFF the grid highlighter from the grid ispector panel.
const TEST_URI = `
<style type='text/css'>
#grid {
display: grid;
}
</style>
<div id="grid">
<div id="cell1">cell1</div>
<div id="cell2">cell2</div>
</div>
`;
add_task(async function () {
await addTab("data:text/html;charset=utf-8," + encodeURIComponent(TEST_URI));
const { gridInspector, inspector } = await openLayoutView();
const { document: doc } = gridInspector;
const { highlighters, store } = inspector;
await selectNode("#grid", inspector);
const gridList = doc.getElementById("grid-list");
const checkbox = gridList.children[0].querySelector("input");
info("Checking the initial state of the Grid Inspector.");
is(gridList.childNodes.length, 1, "One grid container is listed.");
ok(
!checkbox.checked,
`Grid item ${checkbox.value} is unchecked in the grid list.`
);
ok(!highlighters.gridHighlighters.size, "No CSS grid highlighter is shown.");
info("Toggling ON the CSS grid highlighter from the layout panel.");
const onHighlighterShown = highlighters.once("grid-highlighter-shown");
let onCheckboxChange = waitUntilState(
store,
state => state.grids.length == 1 && state.grids[0].highlighted
);
checkbox.click();
await onHighlighterShown;
await onCheckboxChange;
info("Checking the CSS grid highlighter is created.");
is(highlighters.gridHighlighters.size, 1, "CSS grid highlighter is shown.");
info("Toggling OFF the CSS grid highlighter from the layout panel.");
const onHighlighterHidden = highlighters.once("grid-highlighter-hidden");
onCheckboxChange = waitUntilState(
store,
state => state.grids.length == 1 && !state.grids[0].highlighted
);
checkbox.click();
await onHighlighterHidden;
await onCheckboxChange;
info("Checking the CSS grid highlighter is not shown.");
ok(!highlighters.gridHighlighters.size, "No CSS grid highlighter is shown.");
});