Source code
Revision control
Copy as Markdown
Other Tools
Test Info:
/* Any copyright is dedicated to the Public Domain.
"use strict";
// Tests that the grid highlighter is re-displayed after reloading a page and the grid
// item is highlighted.
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>
`;
const OTHER_URI = `
<style type='text/css'>
#grid {
display: grid;
}
</style>
<div id="grid">
<div id="cell1">cell1</div>
<div id="cell2">cell2</div>
<div id="cell3">cell3</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;
const HIGHLIGHTER_TYPE = inspector.highlighters.TYPES.GRID;
const { waitForHighlighterTypeRestored, waitForHighlighterTypeDiscarded } =
getHighlighterTestHelpers(inspector);
await selectNode("#grid", inspector);
const gridList = doc.getElementById("grid-list");
const checkbox = gridList.children[0].querySelector("input");
info("Toggling ON the CSS grid highlighter from the layout panel.");
const onHighlighterShown = highlighters.once("grid-highlighter-shown");
const onCheckboxChange = waitUntilState(
store,
state => state.grids.length == 1 && state.grids[0].highlighted
);
checkbox.click();
await onHighlighterShown;
await onCheckboxChange;
info(
"Check that the CSS grid highlighter is created and the saved grid state."
);
is(highlighters.gridHighlighters.size, 1, "CSS grid highlighter is shown.");
is(
highlighters.state.grids.size,
1,
"There's a saved grid state to be restored."
);
info(
"Reload the page, expect the highlighter to be displayed once again and " +
"grid is checked"
);
const onRestored = waitForHighlighterTypeRestored(HIGHLIGHTER_TYPE);
let onGridListRestored = waitUntilState(
store,
state => state.grids.length == 1 && state.grids[0].highlighted
);
const onReloaded = inspector.once("reloaded");
await reloadBrowser();
info("Wait for inspector to be reloaded after page reload");
await onReloaded;
await onRestored;
await onGridListRestored;
info(
"Check that the grid highlighter can be displayed after reloading the page"
);
is(highlighters.gridHighlighters.size, 1, "CSS grid highlighter is shown.");
is(
highlighters.state.grids.size,
1,
"The saved grid state has the correct number of saved states."
);
info(
"Navigate to another URL, and check that the highlighter is hidden and " +
"grid is unchecked"
);
const otherUri =
"data:text/html;charset=utf-8," + encodeURIComponent(OTHER_URI);
const onDiscarded = waitForHighlighterTypeDiscarded(HIGHLIGHTER_TYPE);
onGridListRestored = waitUntilState(
store,
state => state.grids.length == 1 && !state.grids[0].highlighted
);
await navigateTo(otherUri);
await onDiscarded;
await onGridListRestored;
info(
"Check that the grid highlighter is hidden after navigating to a different page"
);
ok(!highlighters.gridHighlighters.size, "CSS grid highlighter is hidden.");
ok(!highlighters.state.grids.size, "No grids to be restored on page reload.");
});