1 files changed, 94 insertions, 0 deletions
diff --git a/browser/components/extensions/test/browser/browser_ext_tabs_move_discarded.js b/browser/components/extensions/test/browser/browser_ext_tabs_move_discarded.js
new file mode 100644
index 0000000000..74099f0f24
--- /dev/null
+++ b/browser/components/extensions/test/browser/browser_ext_tabs_move_discarded.js
@@ -0,0 +1,94 @@
+/* -*- Mode: indent-tabs-mode: nil; js-indent-level: 2 -*- */
+/* vim: set sts=2 sw=2 et tw=80: */
+"use strict";
+
+add_task(async function move_discarded_to_window() {
+  let extension = ExtensionTestUtils.loadExtension({
+    manifest: { permissions: ["tabs"] },
+    background: async function () {
+      // Create a discarded tab
+      let url = "http://example.com/";
+      let tab = await browser.tabs.create({ url, discarded: true });
+      browser.test.assertEq(true, tab.discarded, "Tab should be discarded");
+      browser.test.assertEq(url, tab.url, "Tab URL should be correct");
+
+      // Create a new window
+      let { id: windowId } = await browser.windows.create();
+
+      // Move the tab into that window
+      [tab] = await browser.tabs.move(tab.id, { windowId, index: -1 });
+      browser.test.assertTrue(tab.discarded, "Tab should still be discarded");
+      browser.test.assertEq(url, tab.url, "Tab URL should still be correct");
+
+      await browser.windows.remove(windowId);
+      browser.test.notifyPass("tabs.move");
+    },
+  });
+
+  await extension.startup();
+  await extension.awaitFinish("tabs.move");
+  await extension.unload();
+});
+
+add_task(async function move_hidden_discarded_to_window() {
+  let extensionWithoutTabsPermission = ExtensionTestUtils.loadExtension({
+    manifest: {
+      permissions: ["http://example.com/"],
+    },
+    background() {
+      browser.tabs.onUpdated.addListener((tabId, changeInfo, tab) => {
+        if (changeInfo.hidden) {
+          browser.test.assertEq(
+            tab.url,
+            "http://example.com/?hideme",
+            "tab.url is correctly observed without tabs permission"
+          );
+          browser.test.sendMessage("onUpdated_checked");
+        }
+      });
+      // Listener with "urls" filter, regression test for
+      // https://bugzilla.mozilla.org/show_bug.cgi?id=1695346
+      browser.tabs.onUpdated.addListener(
+        (tabId, changeInfo, tab) => {
+          browser.test.assertTrue(changeInfo.hidden, "tab was hidden");
+          browser.test.sendMessage("onUpdated_urls_filter");
+        },
+        {
+          properties: ["hidden"],
+          urls: ["http://example.com/?hideme"],
+        }
+      );
+    },
+  });
+  await extensionWithoutTabsPermission.startup();
+
+  let extension = ExtensionTestUtils.loadExtension({
+    manifest: { permissions: ["tabs", "tabHide"] },
+    // ExtensionControlledPopup's populateDescription method requires an addon:
+    useAddonManager: "temporary",
+    async background() {
+      let url = "http://example.com/?hideme";
+      let tab = await browser.tabs.create({ url, discarded: true });
+      await browser.tabs.hide(tab.id);
+
+      let { id: windowId } = await browser.windows.create();
+
+      // Move the tab into that window
+      [tab] = await browser.tabs.move(tab.id, { windowId, index: -1 });
+      browser.test.assertTrue(tab.discarded, "Tab should still be discarded");
+      browser.test.assertTrue(tab.hidden, "Tab should still be hidden");
+      browser.test.assertEq(url, tab.url, "Tab URL should still be correct");
+
+      await browser.windows.remove(windowId);
+      browser.test.notifyPass("move_hidden_discarded_to_window");
+    },
+  });
+
+  await extension.startup();
+  await extension.awaitFinish("move_hidden_discarded_to_window");
+  await extension.unload();
+
+  await extensionWithoutTabsPermission.awaitMessage("onUpdated_checked");
+  await extensionWithoutTabsPermission.awaitMessage("onUpdated_urls_filter");
+  await extensionWithoutTabsPermission.unload();
+});