1 files changed, 42 insertions, 0 deletions
diff --git a/browser/components/urlbar/tests/unit/test_providerPlaces_duplicate_entries.js b/browser/components/urlbar/tests/unit/test_providerPlaces_duplicate_entries.js
new file mode 100644
index 0000000000..7533921fc6
--- /dev/null
+++ b/browser/components/urlbar/tests/unit/test_providerPlaces_duplicate_entries.js
@@ -0,0 +1,42 @@
+/* Any copyright is dedicated to the Public Domain.
+   http://creativecommons.org/publicdomain/zero/1.0/ */
+
+"use strict";
+
+add_task(async function test_duplicates() {
+  const TEST_URL = "https://history.mozilla.org/";
+  await PlacesTestUtils.addVisits([
+    { uri: TEST_URL, title: "Test history" },
+    { uri: TEST_URL + "?#", title: "Test history" },
+    { uri: TEST_URL + "#", title: "Test history" },
+  ]);
+
+  let controller = UrlbarTestUtils.newMockController();
+  let searchString = "^Hist";
+  let context = createContext(searchString, { isPrivate: false });
+  await controller.startQuery(context);
+
+  // The first result will be a search heuristic, which we don't care about for
+  // this test.
+  info(
+    "Results:\n" +
+      context.results.map(m => `${m.title} - ${m.payload.url}`).join("\n")
+  );
+  Assert.equal(
+    context.results.length,
+    2,
+    "Found the expected number of matches"
+  );
+  Assert.equal(
+    context.results[1].type,
+    UrlbarUtils.RESULT_TYPE.URL,
+    "Should have a history  result"
+  );
+  Assert.equal(
+    context.results[1].payload.url,
+    TEST_URL + "#",
+    "Check result URL"
+  );
+
+  await PlacesUtils.history.clear();
+});