1 files changed, 58 insertions, 0 deletions
diff --git a/browser/extensions/formautofill/test/browser/browser_autocomplete_marked_detached_tab.js b/browser/extensions/formautofill/test/browser/browser_autocomplete_marked_detached_tab.js
new file mode 100644
index 0000000000..399e7e16e5
--- /dev/null
+++ b/browser/extensions/formautofill/test/browser/browser_autocomplete_marked_detached_tab.js
@@ -0,0 +1,58 @@
+/**
+ * Test that autofill autocomplete works after detaching a tab
+ */
+
+"use strict";
+
+const URL = BASE_URL + "autocomplete_basic.html";
+
+function checkPopup(autoCompletePopup) {
+  let first = autoCompletePopup.view.results[0];
+  const { primary, secondary } = JSON.parse(first.label);
+  ok(
+    primary.startsWith(TEST_ADDRESS_1["street-address"].split("\n")[0]),
+    "Check primary label is street address"
+  );
+  is(
+    secondary,
+    TEST_ADDRESS_1["address-level2"],
+    "Check secondary label is address-level2"
+  );
+}
+
+add_task(async function setup_storage() {
+  await setStorage(TEST_ADDRESS_1, TEST_ADDRESS_2, TEST_ADDRESS_3);
+});
+
+add_task(async function test_detach_tab_marked() {
+  let tab = await BrowserTestUtils.openNewForegroundTab({ gBrowser, url: URL });
+  let browser = tab.linkedBrowser;
+  const { autoCompletePopup } = browser;
+
+  // Check the page after the initial load
+  await openPopupOn(browser, "#street-address");
+  checkPopup(autoCompletePopup);
+  await closePopup(browser);
+
+  // Detach the tab to a new window
+  info("expecting tab replaced with new window");
+  let windowLoadedPromise = BrowserTestUtils.waitForNewWindow();
+  let newWin = gBrowser.replaceTabWithWindow(
+    gBrowser.getTabForBrowser(browser)
+  );
+  await windowLoadedPromise;
+
+  info("tab was detached");
+  let newBrowser = newWin.gBrowser.selectedBrowser;
+  ok(newBrowser, "Found new <browser>");
+  let newAutoCompletePopup = newBrowser.autoCompletePopup;
+  ok(newAutoCompletePopup, "Found new autocomplete popup");
+
+  await openPopupOn(newBrowser, "#street-address");
+  checkPopup(newAutoCompletePopup);
+
+  await closePopup(newBrowser);
+  let windowRefocusedPromise = BrowserTestUtils.waitForEvent(window, "focus");
+  await BrowserTestUtils.closeWindow(newWin);
+  await windowRefocusedPromise;
+});