1 files changed, 160 insertions, 0 deletions
diff --git a/browser/base/content/test/fullscreen/browser_fullscreen_permissions_prompt.js b/browser/base/content/test/fullscreen/browser_fullscreen_permissions_prompt.js
new file mode 100644
index 0000000000..82f0c97631
--- /dev/null
+++ b/browser/base/content/test/fullscreen/browser_fullscreen_permissions_prompt.js
@@ -0,0 +1,160 @@
+/* Any copyright is dedicated to the Public Domain.
+   http://creativecommons.org/publicdomain/zero/1.0/ */
+
+"use strict";
+
+// This test tends to trigger a race in the fullscreen time telemetry,
+// where the fullscreen enter and fullscreen exit events (which use the
+// same histogram ID) overlap. That causes TelemetryStopwatch to log an
+// error.
+SimpleTest.ignoreAllUncaughtExceptions(true);
+const { PromiseTestUtils } = ChromeUtils.importESModule(
+  "resource://testing-common/PromiseTestUtils.sys.mjs"
+);
+PromiseTestUtils.allowMatchingRejectionsGlobally(/Not in fullscreen mode/);
+
+SimpleTest.requestCompleteLog();
+
+async function requestNotificationPermission(browser) {
+  return SpecialPowers.spawn(browser, [], () => {
+    return content.Notification.requestPermission();
+  });
+}
+
+async function requestCameraPermission(browser) {
+  return SpecialPowers.spawn(browser, [], () =>
+    content.navigator.mediaDevices
+      .getUserMedia({ video: true, fake: true })
+      .then(
+        () => true,
+        () => false
+      )
+  );
+}
+
+add_task(async function test_fullscreen_closes_permissionui_prompt() {
+  await SpecialPowers.pushPrefEnv({
+    set: [
+      ["dom.webnotifications.requireuserinteraction", false],
+      ["permissions.fullscreen.allowed", false],
+    ],
+  });
+
+  let tab = await BrowserTestUtils.openNewForegroundTab(
+    gBrowser,
+    "https://example.com"
+  );
+  let browser = tab.linkedBrowser;
+
+  let popupShown, requestResult, popupHidden;
+
+  popupShown = BrowserTestUtils.waitForEvent(
+    window.PopupNotifications.panel,
+    "popupshown"
+  );
+
+  info("Requesting notification permission");
+  requestResult = requestNotificationPermission(browser);
+  await popupShown;
+
+  info("Entering DOM full-screen");
+  popupHidden = BrowserTestUtils.waitForEvent(
+    window.PopupNotifications.panel,
+    "popuphidden"
+  );
+
+  await changeFullscreen(browser, true);
+
+  await popupHidden;
+
+  is(
+    await requestResult,
+    "default",
+    "Expect permission request to be cancelled"
+  );
+
+  await changeFullscreen(browser, false);
+
+  BrowserTestUtils.removeTab(tab);
+  await SpecialPowers.popPrefEnv();
+});
+
+add_task(async function test_fullscreen_closes_webrtc_permission_prompt() {
+  await SpecialPowers.pushPrefEnv({
+    set: [
+      ["media.navigator.permission.fake", true],
+      ["media.navigator.permission.force", true],
+      ["permissions.fullscreen.allowed", false],
+    ],
+  });
+
+  let tab = await BrowserTestUtils.openNewForegroundTab(
+    gBrowser,
+    "https://example.com"
+  );
+  let browser = tab.linkedBrowser;
+  let popupShown, requestResult, popupHidden;
+
+  popupShown = BrowserTestUtils.waitForEvent(
+    window.PopupNotifications.panel,
+    "popupshown"
+  );
+
+  info("Requesting camera permission");
+  requestResult = requestCameraPermission(browser);
+
+  await popupShown;
+
+  info("Entering DOM full-screen");
+  popupHidden = BrowserTestUtils.waitForEvent(
+    window.PopupNotifications.panel,
+    "popuphidden"
+  );
+  await changeFullscreen(browser, true);
+
+  await popupHidden;
+
+  is(
+    await requestResult,
+    false,
+    "Expect webrtc permission request to be cancelled"
+  );
+
+  await changeFullscreen(browser, false);
+
+  BrowserTestUtils.removeTab(tab);
+  await SpecialPowers.popPrefEnv();
+});
+
+add_task(async function test_permission_prompt_closes_fullscreen() {
+  await SpecialPowers.pushPrefEnv({
+    set: [
+      ["dom.webnotifications.requireuserinteraction", false],
+      ["permissions.fullscreen.allowed", false],
+    ],
+  });
+
+  let tab = await BrowserTestUtils.openNewForegroundTab(
+    gBrowser,
+    "https://example.com"
+  );
+  let browser = tab.linkedBrowser;
+  info("Entering DOM full-screen");
+  await changeFullscreen(browser, true);
+
+  let popupShown = BrowserTestUtils.waitForEvent(
+    window.PopupNotifications.panel,
+    "popupshown"
+  );
+  let fullScreenExit = waitForFullScreenState(browser, false);
+
+  info("Requesting notification permission");
+  requestNotificationPermission(browser).catch(() => {});
+  await popupShown;
+
+  info("Waiting for full-screen exit");
+  await fullScreenExit;
+
+  BrowserTestUtils.removeTab(tab);
+  await SpecialPowers.popPrefEnv();
+});