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Test Info:

/* Any copyright is dedicated to the Public Domain.
// Tests a zero frecency is correctly updated when inserting new valid visits.
add_task(async function () {
const TEST_URI = NetUtil.newURI("http://example.com/");
let bookmark = await PlacesUtils.bookmarks.insert({
parentGuid: PlacesUtils.bookmarks.unfiledGuid,
url: TEST_URI,
title: "A title",
});
await PlacesFrecencyRecalculator.recalculateAnyOutdatedFrecencies();
Assert.ok(
(await PlacesTestUtils.getDatabaseValue("moz_places", "frecency", {
url: TEST_URI,
})) > 0
);
// Removing the bookmark should leave an orphan page with zero frecency.
// Note this would usually be expired later by expiration.
await PlacesUtils.bookmarks.remove(bookmark.guid);
await PlacesFrecencyRecalculator.recalculateAnyOutdatedFrecencies();
Assert.equal(
await PlacesTestUtils.getDatabaseValue("moz_places", "frecency", {
url: TEST_URI,
}),
0
);
// Now add a valid visit to the page, frecency should increase.
await PlacesTestUtils.addVisits({ uri: TEST_URI });
Assert.ok(
(await PlacesTestUtils.getDatabaseValue("moz_places", "frecency", {
url: TEST_URI,
})) > 0
);
});