1 files changed, 129 insertions, 0 deletions
diff --git a/toolkit/components/pictureinpicture/tests/browser_text_tracks_webvtt_1.js b/toolkit/components/pictureinpicture/tests/browser_text_tracks_webvtt_1.js
new file mode 100644
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+++ b/toolkit/components/pictureinpicture/tests/browser_text_tracks_webvtt_1.js
@@ -0,0 +1,129 @@
+/* Any copyright is dedicated to the Public Domain.
+ * http://creativecommons.org/publicdomain/zero/1.0/ */
+
+"use strict";
+
+/**
+ * This test ensures that text tracks shown on the source video
+ * do not appear on a newly created pip window if the pref
+ * is disabled.
+ */
+add_task(async function test_text_tracks_new_window_pref_disabled() {
+  info("Running test: new window - pref disabled");
+  await SpecialPowers.pushPrefEnv({
+    set: [
+      [
+        "media.videocontrols.picture-in-picture.display-text-tracks.enabled",
+        false,
+      ],
+    ],
+  });
+  let videoID = "with-controls";
+
+  await BrowserTestUtils.withNewTab(
+    {
+      url: TEST_PAGE_WITH_WEBVTT,
+      gBrowser,
+    },
+    async browser => {
+      await prepareVideosAndWebVTTTracks(browser, videoID);
+
+      let pipWin = await triggerPictureInPicture(browser, videoID);
+      ok(pipWin, "Got Picture-in-Picture window.");
+      let pipBrowser = pipWin.document.getElementById("browser");
+
+      await SpecialPowers.spawn(pipBrowser, [], async () => {
+        info("Checking text track content in pip window");
+        let textTracks = content.document.getElementById("texttracks");
+
+        ok(textTracks, "TextTracks container should exist in the pip window");
+        ok(
+          !textTracks.textContent,
+          "Text tracks should not be visible on the pip window"
+        );
+      });
+    }
+  );
+});
+
+/**
+ * This test ensures that text tracks shown on the source video
+ * appear on a newly created pip window if the pref is enabled.
+ */
+add_task(async function test_text_tracks_new_window_pref_enabled() {
+  info("Running test: new window - pref enabled");
+  await SpecialPowers.pushPrefEnv({
+    set: [
+      [
+        "media.videocontrols.picture-in-picture.display-text-tracks.enabled",
+        true,
+      ],
+    ],
+  });
+  let videoID = "with-controls";
+
+  await BrowserTestUtils.withNewTab(
+    {
+      url: TEST_PAGE_WITH_WEBVTT,
+      gBrowser,
+    },
+    async browser => {
+      await prepareVideosAndWebVTTTracks(browser, videoID);
+
+      let pipWin = await triggerPictureInPicture(browser, videoID);
+      ok(pipWin, "Got Picture-in-Picture window.");
+      let pipBrowser = pipWin.document.getElementById("browser");
+
+      await SpecialPowers.spawn(pipBrowser, [], async () => {
+        info("Checking text track content in pip window");
+        let textTracks = content.document.getElementById("texttracks");
+        ok(textTracks, "TextTracks container should exist in the pip window");
+        await ContentTaskUtils.waitForCondition(() => {
+          return textTracks.textContent;
+        }, `Text track is still not visible on the pip window. Got ${textTracks.textContent}`);
+      });
+    }
+  );
+});
+
+/**
+ * This test ensures that text tracks do not appear on a new pip window
+ * if no track is loaded and the pref is enabled.
+ */
+add_task(async function test_text_tracks_new_window_no_track() {
+  info("Running test: new window - no track");
+  await SpecialPowers.pushPrefEnv({
+    set: [
+      [
+        "media.videocontrols.picture-in-picture.display-text-tracks.enabled",
+        true,
+      ],
+    ],
+  });
+  let videoID = "with-controls";
+
+  await BrowserTestUtils.withNewTab(
+    {
+      url: TEST_PAGE_WITH_WEBVTT,
+      gBrowser,
+    },
+    async browser => {
+      await prepareVideosAndWebVTTTracks(browser, videoID, -1);
+
+      let pipWin = await triggerPictureInPicture(browser, videoID);
+      ok(pipWin, "Got Picture-in-Picture window.");
+      let pipBrowser = pipWin.document.getElementById("browser");
+
+      await SpecialPowers.spawn(pipBrowser, [], async () => {
+        info("Checking text track content in pip window");
+        let textTracks = content.document.getElementById("texttracks");
+
+        ok(textTracks, "TextTracks container should exist in the pip window");
+        ok(
+          !textTracks.textContent,
+          "Text tracks should not be visible on the pip window"
+        );
+      });
+    }
+  );
+});