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Test Info:
/* Any copyright is dedicated to the Public Domain.
"use strict";
// Tests that the 'Extend grid lines infinitely' grid highlighter setting will update
// the redux store and pref setting.
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 SHOW_INFINITE_LINES_PREF = "devtools.gridinspector.showInfiniteLines";
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 { store } = inspector;
await selectNode("#grid", inspector);
const checkbox = doc.getElementById("grid-setting-extend-grid-lines");
ok(
!Services.prefs.getBoolPref(SHOW_INFINITE_LINES_PREF),
"'Extend grid lines infinitely' is pref off by default."
);
info("Toggling ON the 'Extend grid lines infinitely' setting.");
let onCheckboxChange = waitUntilState(
store,
state => state.highlighterSettings.showInfiniteLines
);
checkbox.click();
await onCheckboxChange;
info("Toggling OFF the 'Extend grid lines infinitely' setting.");
onCheckboxChange = waitUntilState(
store,
state => !state.highlighterSettings.showInfiniteLines
);
checkbox.click();
await onCheckboxChange;
ok(
!Services.prefs.getBoolPref(SHOW_INFINITE_LINES_PREF),
"'Extend grid lines infinitely' is pref off."
);
Services.prefs.clearUserPref(SHOW_INFINITE_LINES_PREF);
});