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Test Info:
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
"use strict";
// Test the creation of the canvas highlighter element of the css grid highlighter.
const TEST_URL = `
<style type='text/css'>
#grid {
display: grid;
}
#cell1 {
grid-column: 1;
grid-row: 1;
}
#cell2 {
grid-column: 2;
grid-row: 1;
}
#cell3 {
grid-column: 1;
grid-row: 2;
}
#cell4 {
grid-column: 2;
grid-row: 2;
}
</style>
<div id="grid">
<div id="cell1">cell1</div>
<div id="cell2">cell2</div>
<div id="cell3">cell3</div>
<div id="cell4">cell4</div>
</div>
`;
const HIGHLIGHTER_TYPE = "CssGridHighlighter";
add_task(async function () {
const { inspector, highlighterTestFront } = await openInspectorForURL(
"data:text/html;charset=utf-8," + encodeURIComponent(TEST_URL)
);
const front = inspector.inspectorFront;
const highlighter = await front.getHighlighterByType(HIGHLIGHTER_TYPE);
await isHiddenByDefault(highlighterTestFront, highlighter);
await isVisibleWhenShown(highlighterTestFront, inspector, highlighter);
await highlighter.finalize();
});
async function isHiddenByDefault(highlighterTestFront, highlighterFront) {
info("Checking that the highlighter is hidden by default");
const hidden = await highlighterTestFront.getHighlighterNodeAttribute(
"css-grid-canvas",
"hidden",
highlighterFront
);
ok(hidden, "The highlighter is hidden by default");
}
async function isVisibleWhenShown(
highlighterTestFront,
inspector,
highlighterFront
) {
info("Asking to show the highlighter on the test node");
const node = await getNodeFront("#grid", inspector);
await highlighterFront.show(node);
let hidden = await highlighterTestFront.getHighlighterNodeAttribute(
"css-grid-canvas",
"hidden",
highlighterFront
);
ok(!hidden, "The highlighter is visible");
info("Hiding the highlighter");
await highlighterFront.hide();
hidden = await highlighterTestFront.getHighlighterNodeAttribute(
"css-grid-canvas",
"hidden",
highlighterFront
);
ok(hidden, "The highlighter is hidden");
}