1 files changed, 32 insertions, 0 deletions
diff --git a/devtools/client/debugger/src/utils/tests/result-list.spec.js b/devtools/client/debugger/src/utils/tests/result-list.spec.js
new file mode 100644
index 0000000000..dcbaf421c5
--- /dev/null
+++ b/devtools/client/debugger/src/utils/tests/result-list.spec.js
@@ -0,0 +1,32 @@
+/* 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/>. */
+
+import { scrollList } from "../result-list.js";
+
+describe("scrollList", () => {
+  beforeEach(() => {
+    jest.useFakeTimers();
+  });
+
+  /* eslint-disable jest/expect-expect */
+  it("just returns if element not found", () => {
+    const li = document.createElement("li");
+    scrollList([li], 1);
+  });
+  /* eslint-enable jest/expect-expect */
+
+  it("calls scrollIntoView", () => {
+    const ul = document.createElement("ul");
+    const li = document.createElement("li");
+
+    li.scrollIntoView = jest.fn();
+    ul.appendChild(li);
+
+    scrollList([li], 0);
+
+    jest.runAllTimers();
+
+    expect(li.scrollIntoView).toHaveBeenCalled();
+  });
+});