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add_task(function* invalid_input_throws() {
Assert.throws(() => PlacesUtils.bookmarks.getRecent(),
/numberOfItems argument is required/);
Assert.throws(() => PlacesUtils.bookmarks.getRecent("abc"),
/numberOfItems argument must be an integer/);
Assert.throws(() => PlacesUtils.bookmarks.getRecent(1.2),
/numberOfItems argument must be an integer/);
Assert.throws(() => PlacesUtils.bookmarks.getRecent(0),
/numberOfItems argument must be greater than zero/);
Assert.throws(() => PlacesUtils.bookmarks.getRecent(-1),
/numberOfItems argument must be greater than zero/);
});
add_task(function* getRecent_returns_recent_bookmarks() {
yield PlacesUtils.bookmarks.eraseEverything();
let bm1 = yield PlacesUtils.bookmarks.insert({ parentGuid: PlacesUtils.bookmarks.unfiledGuid,
url: "http://example.com/",
title: "a bookmark" });
let bm2 = yield PlacesUtils.bookmarks.insert({ parentGuid: PlacesUtils.bookmarks.unfiledGuid,
url: "http://example.org/path",
title: "another bookmark" });
let bm3 = yield PlacesUtils.bookmarks.insert({ parentGuid: PlacesUtils.bookmarks.unfiledGuid,
url: "http://example.net/",
title: "another bookmark" });
let bm4 = yield PlacesUtils.bookmarks.insert({ parentGuid: PlacesUtils.bookmarks.unfiledGuid,
url: "http://example.net/path",
title: "yet another bookmark" });
checkBookmarkObject(bm1);
checkBookmarkObject(bm2);
checkBookmarkObject(bm3);
checkBookmarkObject(bm4);
let results = yield PlacesUtils.bookmarks.getRecent(3);
Assert.equal(results.length, 3);
checkBookmarkObject(results[0]);
Assert.deepEqual(bm4, results[0]);
checkBookmarkObject(results[1]);
Assert.deepEqual(bm3, results[1]);
checkBookmarkObject(results[2]);
Assert.deepEqual(bm2, results[2]);
yield PlacesUtils.bookmarks.eraseEverything();
});
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