1 files changed, 40 insertions, 0 deletions
diff --git a/devtools/client/webconsole/test/browser/browser_jsterm_completion_perfect_match.js b/devtools/client/webconsole/test/browser/browser_jsterm_completion_perfect_match.js
new file mode 100644
index 0000000000..45a9148892
--- /dev/null
+++ b/devtools/client/webconsole/test/browser/browser_jsterm_completion_perfect_match.js
@@ -0,0 +1,40 @@
+/* Any copyright is dedicated to the Public Domain.
+ * http://creativecommons.org/publicdomain/zero/1.0/ */
+
+// Tests that code completion works properly in regards to case sensitivity.
+
+"use strict";
+
+const TEST_URI = `data:text/html;charset=utf8,<!DOCTYPE html><p>test completion perfect match.
+  <script>
+    x = Object.create(null, Object.getOwnPropertyDescriptors({
+      foo: 1,
+      foO: 2,
+      fOo: 3,
+      fOO: 4,
+    }));
+  </script>`;
+
+add_task(async function () {
+  const hud = await openNewTabAndConsole(TEST_URI);
+  const { jsterm } = hud;
+  const { autocompletePopup } = jsterm;
+
+  info("Check that filtering the cache works like on the server");
+  await setInputValueForAutocompletion(hud, "x.");
+  ok(
+    hasExactPopupLabels(autocompletePopup, ["foo", "foO", "fOo", "fOO"]),
+    "popup has expected item, in expected order"
+  );
+
+  const onAutoCompleteUpdated = jsterm.once("autocomplete-updated");
+  EventUtils.sendString("foO");
+  await onAutoCompleteUpdated;
+  ok(
+    hasExactPopupLabels(autocompletePopup, ["foO", "foo", "fOo", "fOO"]),
+    "popup has expected item, in expected order"
+  );
+
+  info("Close autocomplete popup");
+  await closeAutocompletePopup(hud);
+});