1 files changed, 85 insertions, 0 deletions
diff --git a/browser/components/urlbar/tests/unit/test_pages_alt_frecency.js b/browser/components/urlbar/tests/unit/test_pages_alt_frecency.js
new file mode 100644
index 0000000000..41452587d4
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+++ b/browser/components/urlbar/tests/unit/test_pages_alt_frecency.js
@@ -0,0 +1,85 @@
+/* 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
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+// This is a basic autocomplete test to ensure enabling the alternative frecency
+// algorithm doesn't break results and sorts them appropriately.
+// A more comprehensive testing of the algorithm itself is not included since it
+// is something that may change frequently according to experimentation results.
+// Other existing tests will, of course, need to be adapted once an algorithm
+// is promoted to be the default.
+
+testEngine_setup();
+
+add_task(async function test_autofill() {
+  const searchString = "match";
+  const singleVisitUrl = "https://singlevisit-match.org/";
+  const singleVisitBookmarkedUrl = "https://singlevisitbookmarked-match.org/";
+  const adaptiveVisitUrl = "https://adaptivevisit-match.org/";
+  const adaptiveManyVisitsUrl = "https://adaptivemanyvisit-match.org/";
+  const manyVisitsUrl = "https://manyvisits-match.org/";
+  const sampledVisitsUrl = "https://sampledvisits-match.org/";
+  const bookmarkedUrl = "https://bookmarked-match.org/";
+
+  await PlacesUtils.bookmarks.insert({
+    url: bookmarkedUrl,
+    title: "bookmark",
+    parentGuid: PlacesUtils.bookmarks.toolbarGuid,
+  });
+  await PlacesUtils.bookmarks.insert({
+    url: singleVisitBookmarkedUrl,
+    title: "visited bookmark",
+    parentGuid: PlacesUtils.bookmarks.toolbarGuid,
+  });
+  await PlacesTestUtils.addVisits([
+    singleVisitUrl,
+    singleVisitBookmarkedUrl,
+    adaptiveVisitUrl,
+    ...new Array(10).fill(adaptiveManyVisitsUrl),
+    ...new Array(100).fill(manyVisitsUrl),
+    ...new Array(10).fill(sampledVisitsUrl),
+  ]);
+  await UrlbarUtils.addToInputHistory(adaptiveVisitUrl, searchString);
+  await UrlbarUtils.addToInputHistory(adaptiveManyVisitsUrl, searchString);
+
+  let context = createContext(searchString, { isPrivate: false });
+  await check_results({
+    context,
+    matches: [
+      makeSearchResult(context, {
+        engineName: "Suggestions",
+        heuristic: true,
+      }),
+      makeVisitResult(context, {
+        uri: adaptiveManyVisitsUrl,
+        title: `test visit for ${adaptiveManyVisitsUrl}`,
+      }),
+      makeVisitResult(context, {
+        uri: adaptiveVisitUrl,
+        title: `test visit for ${adaptiveVisitUrl}`,
+      }),
+      makeVisitResult(context, {
+        uri: manyVisitsUrl,
+        title: `test visit for ${manyVisitsUrl}`,
+      }),
+      makeVisitResult(context, {
+        uri: sampledVisitsUrl,
+        title: `test visit for ${sampledVisitsUrl}`,
+      }),
+      makeBookmarkResult(context, {
+        uri: singleVisitBookmarkedUrl,
+        title: "visited bookmark",
+      }),
+      makeBookmarkResult(context, {
+        uri: bookmarkedUrl,
+        title: "bookmark",
+      }),
+      makeVisitResult(context, {
+        uri: singleVisitUrl,
+        title: `test visit for ${singleVisitUrl}`,
+      }),
+    ],
+  });
+
+  await PlacesUtils.history.clear();
+});