1 files changed, 56 insertions, 0 deletions
diff --git a/dom/media/test/browser/browser_partial.js b/dom/media/test/browser/browser_partial.js
new file mode 100644
index 0000000000..572287b392
--- /dev/null
+++ b/dom/media/test/browser/browser_partial.js
@@ -0,0 +1,56 @@
+async function test() {
+  waitForExplicitFinish();
+  const target =
+    "https://example.com/browser/dom/media/test/browser/file_empty_page.html";
+
+  info("Loading download page...");
+
+  let tab = BrowserTestUtils.addTab(gBrowser, target);
+
+  registerCleanupFunction(function () {
+    gBrowser.removeTab(tab);
+    window.restore();
+  });
+
+  gBrowser.selectedTab = tab;
+  BrowserTestUtils.browserLoaded(tab.linkedBrowser, false, target).then(
+    async () => {
+      info("Page loaded.");
+      let allDownloads = await Downloads.getList(Downloads.ALL);
+      let started = new Promise(resolve => {
+        // With no download modal, the download will begin on its own, so we need
+        // to wait to be notified by the downloads list when that happens.
+        let downloadView = {
+          onDownloadAdded(download) {
+            ok(true, "Download was started.");
+            download.cancel();
+            allDownloads.removeView(this);
+            allDownloads.removeFinished();
+            resolve();
+          },
+        };
+        allDownloads.addView(downloadView);
+      });
+
+      let revoked = SpecialPowers.spawn(
+        tab.linkedBrowser,
+        [],
+        () =>
+          new Promise(resolve => {
+            let link = content.document.createElement("a");
+            link.href = "force_octet_stream.mp4";
+            content.document.body.appendChild(link);
+            info("Clicking HTMLAnchorElement...");
+            link.click();
+            info("Clicked HTMLAnchorElement.");
+            resolve();
+          })
+      );
+
+      info("Waiting for async activities...");
+      await Promise.all([revoked, started]);
+      ok(true, "Exiting test.");
+      finish();
+    }
+  );
+}