1 files changed, 29 insertions, 0 deletions
diff --git a/toolkit/content/tests/browser/browser_bug1572798.js b/toolkit/content/tests/browser/browser_bug1572798.js
new file mode 100644
index 0000000000..0e15ef4f3d
--- /dev/null
+++ b/toolkit/content/tests/browser/browser_bug1572798.js
@@ -0,0 +1,29 @@
+add_task(async function test_bug_1572798() {
+  let tab = BrowserTestUtils.addTab(window.gBrowser, "about:blank");
+  BrowserTestUtils.loadURIString(
+    tab.linkedBrowser,
+    "https://example.com/browser/toolkit/content/tests/browser/file_document_open_audio.html"
+  );
+  await BrowserTestUtils.browserLoaded(tab.linkedBrowser);
+  let windowLoaded = BrowserTestUtils.waitForNewWindow();
+  info("- clicking button to spawn a new window -");
+  await ContentTask.spawn(tab.linkedBrowser, null, function () {
+    content.document.querySelector("button").click();
+  });
+  info("- waiting for the new window -");
+  let newWin = await windowLoaded;
+  info("- checking that the new window plays the audio -");
+  let documentOpenedBrowser = newWin.gBrowser.selectedBrowser;
+  await ContentTask.spawn(documentOpenedBrowser, null, async function () {
+    try {
+      await content.document.querySelector("audio").play();
+      ok(true, "Could play the audio");
+    } catch (e) {
+      ok(false, "Rejected audio promise" + e);
+    }
+  });
+
+  info("- Cleaning up -");
+  await BrowserTestUtils.closeWindow(newWin);
+  await BrowserTestUtils.removeTab(tab);
+});