1 files changed, 49 insertions, 0 deletions
diff --git a/browser/components/downloads/test/browser/browser_downloads_pauseResume.js b/browser/components/downloads/test/browser/browser_downloads_pauseResume.js
new file mode 100644
index 0000000000..60a4a8a371
--- /dev/null
+++ b/browser/components/downloads/test/browser/browser_downloads_pauseResume.js
@@ -0,0 +1,49 @@
+/* Any copyright is dedicated to the Public Domain.
+ * http://creativecommons.org/publicdomain/zero/1.0/ */
+
+"use strict";
+
+registerCleanupFunction(async function () {
+  await task_resetState();
+});
+
+add_task(async function test_downloads_library() {
+  let DownloadData = [];
+  for (let i = 0; i < 20; i++) {
+    DownloadData.push({ state: DownloadsCommon.DOWNLOAD_PAUSED });
+  }
+
+  // Ensure that state is reset in case previous tests didn't finish.
+  await task_resetState();
+
+  // Populate the downloads database with the data required by this test.
+  await task_addDownloads(DownloadData);
+
+  let win = await openLibrary("Downloads");
+  registerCleanupFunction(function () {
+    win.close();
+  });
+
+  let listbox = win.document.getElementById("downloadsListBox");
+  ok(listbox, "Download list box present");
+
+  // Select one of the downloads.
+  listbox.itemChildren[0].click();
+  listbox.itemChildren[0]._shell._download.hasPartialData = true;
+
+  EventUtils.synthesizeKey(" ", {}, win);
+  is(
+    listbox.itemChildren[0]._shell._downloadState,
+    DownloadsCommon.DOWNLOAD_DOWNLOADING,
+    "Download state toggled from paused to downloading"
+  );
+
+  // there is no event to wait for in some cases, we need to wait for the keypress to potentially propagate
+  // eslint-disable-next-line mozilla/no-arbitrary-setTimeout
+  await new Promise(r => setTimeout(r, 500));
+  is(
+    listbox.scrollTop,
+    0,
+    "All downloads view did not scroll when spacebar event fired on a selected download"
+  );
+});