1 files changed, 95 insertions, 0 deletions
diff --git a/browser/components/extensions/test/browser/browser_ext_tabs_move_array.js b/browser/components/extensions/test/browser/browser_ext_tabs_move_array.js
new file mode 100644
index 0000000000..539c60c232
--- /dev/null
+++ b/browser/components/extensions/test/browser/browser_ext_tabs_move_array.js
@@ -0,0 +1,95 @@
+/* -*- Mode: indent-tabs-mode: nil; js-indent-level: 2 -*- */
+/* vim: set sts=2 sw=2 et tw=80: */
+"use strict";
+
+add_task(async function moveMultiple() {
+  let tabs = [];
+  for (let k of [1, 2, 3, 4]) {
+    let tab = await BrowserTestUtils.openNewForegroundTab(
+      window.gBrowser,
+      `http://example.com/?${k}`
+    );
+    tabs.push(tab);
+  }
+
+  let extension = ExtensionTestUtils.loadExtension({
+    manifest: { permissions: ["tabs"] },
+    background: async function () {
+      function num(url) {
+        return parseInt(url.slice(-1), 10);
+      }
+
+      async function check(expected) {
+        let tabs = await browser.tabs.query({ url: "http://example.com/*" });
+        let endings = tabs.map(tab => num(tab.url));
+        browser.test.assertTrue(
+          expected.every((v, i) => v === endings[i]),
+          `Tab order should be ${expected}, got ${endings}.`
+        );
+      }
+
+      async function reset() {
+        let tabs = await browser.tabs.query({ url: "http://example.com/*" });
+        await browser.tabs.move(
+          tabs.sort((a, b) => num(a.url) - num(b.url)).map(tab => tab.id),
+          { index: 0 }
+        );
+      }
+
+      async function move(moveIndexes, moveTo) {
+        let tabs = await browser.tabs.query({ url: "http://example.com/*" });
+        await browser.tabs.move(
+          moveIndexes.map(e => tabs[e - 1].id),
+          {
+            index: moveTo,
+          }
+        );
+      }
+
+      let tests = [
+        { move: [2], index: 0, result: [2, 1, 3, 4] },
+        { move: [2], index: -1, result: [1, 3, 4, 2] },
+        // Start -> After first tab  -> After second tab
+        { move: [4, 3], index: 0, result: [4, 3, 1, 2] },
+        // [1, 2, 3, 4] -> [1, 4, 2, 3] -> [1, 4, 3, 2]
+        { move: [4, 3], index: 1, result: [1, 4, 3, 2] },
+        // [1, 2, 3, 4] -> [2, 3, 1, 4] -> [3, 1, 2, 4]
+        { move: [1, 2], index: 2, result: [3, 1, 2, 4] },
+        // [1, 2, 3, 4] -> [1, 2, 4, 3] -> [2, 4, 1, 3]
+        { move: [4, 1], index: 2, result: [2, 4, 1, 3] },
+        // [1, 2, 3, 4] -> [2, 3, 1, 4] -> [2, 3, 1, 4]
+        { move: [1, 4], index: 2, result: [2, 3, 1, 4] },
+      ];
+
+      for (let test of tests) {
+        await reset();
+        await move(test.move, test.index);
+        await check(test.result);
+      }
+
+      let firstId = (
+        await browser.tabs.query({
+          url: "http://example.com/*",
+        })
+      )[0].id;
+      // Assuming that tab.id of 12345 does not exist.
+      await browser.test.assertRejects(
+        browser.tabs.move([firstId, 12345], { index: -1 }),
+        /Invalid tab/,
+        "Should receive invalid tab error"
+      );
+      // The first argument got moved, the second on failed.
+      await check([2, 3, 1, 4]);
+
+      browser.test.notifyPass("tabs.move");
+    },
+  });
+
+  await extension.startup();
+  await extension.awaitFinish("tabs.move");
+  await extension.unload();
+
+  for (let tab of tabs) {
+    BrowserTestUtils.removeTab(tab);
+  }
+});