1 files changed, 113 insertions, 0 deletions
diff --git a/toolkit/components/pictureinpicture/tests/browser_closePip_pageNavigationChanges.js b/toolkit/components/pictureinpicture/tests/browser_closePip_pageNavigationChanges.js
new file mode 100644
index 0000000000..c64b5f2b14
--- /dev/null
+++ b/toolkit/components/pictureinpicture/tests/browser_closePip_pageNavigationChanges.js
@@ -0,0 +1,113 @@
+/* Any copyright is dedicated to the Public Domain.
+http://creativecommons.org/publicdomain/zero/1.0/ */
+
+"use strict";
+
+/**
+ * Tests that the pip window closes when the pagehide page lifecycle event
+ * is not detected and if a video is not loaded with a src.
+ */
+add_task(async function test_close_empty_pip_window() {
+  await BrowserTestUtils.withNewTab(
+    {
+      url: TEST_PAGE,
+      gBrowser,
+    },
+    async browser => {
+      let videoID = "with-controls";
+
+      await ensureVideosReady(browser);
+
+      let emptied = SpecialPowers.spawn(browser, [{ videoID }], async args => {
+        let video = content.document.getElementById(args.videoID);
+        info("Waiting for emptied event to be called");
+        await ContentTaskUtils.waitForEvent(video, "emptied");
+      });
+
+      let pipWin = await triggerPictureInPicture(browser, videoID);
+      ok(pipWin, "Got Picture-in-Picture window.");
+
+      let pipClosed = BrowserTestUtils.domWindowClosed(pipWin);
+      await SpecialPowers.spawn(browser, [{ videoID }], async args => {
+        let video = content.document.getElementById(args.videoID);
+        video.removeAttribute("src");
+        video.load();
+      });
+      await emptied;
+      await pipClosed;
+    }
+  );
+});
+
+/**
+ * Tests that the pip window closes when navigating to another page
+ * via the pagehide page lifecycle event.
+ */
+add_task(async function test_close_pagehide() {
+  await BrowserTestUtils.withNewTab(
+    {
+      url: TEST_PAGE,
+      gBrowser,
+    },
+    async browser => {
+      let videoID = "with-controls";
+
+      await ensureVideosReady(browser);
+      await SpecialPowers.spawn(browser, [{ videoID }], async args => {
+        let video = content.document.getElementById(args.videoID);
+        video.onemptied = () => {
+          // Since we handle pagehide first, handle emptied should not be invoked
+          ok(false, "emptied not expected to be called");
+        };
+      });
+
+      let pipWin = await triggerPictureInPicture(browser, videoID);
+      ok(pipWin, "Got Picture-in-Picture window.");
+
+      let pipClosed = BrowserTestUtils.domWindowClosed(pipWin);
+      await SpecialPowers.spawn(browser, [{ videoID }], async args => {
+        content.location.href = "otherpage.html";
+      });
+
+      await pipClosed;
+    }
+  );
+});
+
+/**
+ * Tests that the pip window remains open if the pagehide page lifecycle
+ * event is not detected and if the video is still loaded with a src.
+ */
+add_task(async function test_open_pip_window_history_nav() {
+  await BrowserTestUtils.withNewTab(
+    {
+      url: TEST_PAGE,
+      gBrowser,
+    },
+    async browser => {
+      let videoID = "with-controls";
+
+      await ensureVideosReady(browser);
+
+      let pipWin = await triggerPictureInPicture(browser, videoID);
+      ok(pipWin, "Got Picture-in-Picture window.");
+
+      await SpecialPowers.spawn(browser, [{ videoID }], async args => {
+        let popStatePromise = ContentTaskUtils.waitForEvent(
+          content,
+          "popstate"
+        );
+        content.history.pushState({}, "new page", "test-page-with-sound.html");
+        content.history.back();
+        await popStatePromise;
+      });
+
+      ok(!pipWin.closed, "pip windows should still be open");
+
+      let pipClosed = BrowserTestUtils.domWindowClosed(pipWin);
+      let closeButton = pipWin.document.getElementById("close");
+      EventUtils.synthesizeMouseAtCenter(closeButton, {}, pipWin);
+      await pipClosed;
+    }
+  );
+});