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Test Info:
/* Any copyright is dedicated to the Public Domain.
"use strict";
// Tests that the grid highlighter is re-displayed after reloading a page.
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));
info("Check that the grid highlighter can be displayed");
const { inspector, view } = await openRuleView();
const { highlighters } = inspector;
const HIGHLIGHTER_TYPE = inspector.highlighters.TYPES.GRID;
const {
waitForHighlighterTypeShown,
waitForHighlighterTypeRestored,
waitForHighlighterTypeDiscarded,
} = getHighlighterTestHelpers(inspector);
await selectNode("#grid", inspector);
const container = getRuleViewProperty(view, "#grid", "display").valueSpan;
const gridToggle = container.querySelector(".js-toggle-grid-highlighter");
info("Toggling ON the CSS grid highlighter from the rule-view.");
const onHighlighterShown = waitForHighlighterTypeShown(HIGHLIGHTER_TYPE);
gridToggle.click();
await onHighlighterShown;
is(highlighters.gridHighlighters.size, 1, "CSS grid highlighter is shown.");
info("Reload the page, expect the highlighter to be displayed once again");
const onRestored = waitForHighlighterTypeRestored(HIGHLIGHTER_TYPE);
const onReloaded = inspector.once("reloaded");
await reloadBrowser();
info("Wait for inspector to be reloaded after page reload");
await onReloaded;
await onRestored;
is(
highlighters.gridHighlighters.size,
1,
"CSS grid highlighter was restored."
);
info("Navigate to another URL, and check that the highlighter is hidden");
const otherUri =
"data:text/html;charset=utf-8," + encodeURIComponent(OTHER_URI);
const onDiscarded = waitForHighlighterTypeDiscarded(HIGHLIGHTER_TYPE);
await navigateTo(otherUri);
await onDiscarded;
is(
highlighters.gridHighlighters.size,
0,
"CSS grid highlighter was not restored."
);
});