1 files changed, 50 insertions, 0 deletions
diff --git a/browser/base/content/test/webrtc/browser_indicator_popuphiding.js b/browser/base/content/test/webrtc/browser_indicator_popuphiding.js
new file mode 100644
index 0000000000..8d02eb5c70
--- /dev/null
+++ b/browser/base/content/test/webrtc/browser_indicator_popuphiding.js
@@ -0,0 +1,50 @@
+/* Any copyright is dedicated to the Public Domain.
+   http://creativecommons.org/publicdomain/zero/1.0/ */
+
+"use strict";
+
+const TEST_ROOT = getRootDirectory(gTestPath).replace(
+  "chrome://mochitests/content/",
+  "https://example.com/"
+);
+const TEST_PAGE = TEST_ROOT + "get_user_media.html";
+
+/**
+ * Regression test for bug 1668838 - make sure that a popuphiding
+ * event that fires for any popup not related to the device control
+ * menus is ignored and doesn't cause the targets contents to be all
+ * removed.
+ */
+add_task(async function test_popuphiding() {
+  let prefs = [
+    [PREF_PERMISSION_FAKE, true],
+    [PREF_AUDIO_LOOPBACK, ""],
+    [PREF_VIDEO_LOOPBACK, ""],
+    [PREF_FAKE_STREAMS, true],
+    [PREF_FOCUS_SOURCE, false],
+  ];
+  await SpecialPowers.pushPrefEnv({ set: prefs });
+
+  await BrowserTestUtils.withNewTab(TEST_PAGE, async browser => {
+    let indicatorPromise = promiseIndicatorWindow();
+
+    await shareDevices(
+      browser,
+      true /* camera */,
+      true /* microphone */,
+      SHARE_SCREEN
+    );
+
+    let indicator = await indicatorPromise;
+    let doc = indicator.document;
+
+    Assert.ok(doc.body, "Should have a document body in the indicator.");
+
+    let event = new indicator.MouseEvent("popuphiding", { bubbles: true });
+    doc.documentElement.dispatchEvent(event);
+
+    Assert.ok(doc.body, "Should still have a document body in the indicator.");
+  });
+
+  await checkNotSharing();
+});