1 files changed, 52 insertions, 0 deletions
diff --git a/toolkit/modules/tests/browser/browser_Finder_hidden_textarea.js b/toolkit/modules/tests/browser/browser_Finder_hidden_textarea.js
new file mode 100644
index 000000000..99d838ada
--- /dev/null
+++ b/toolkit/modules/tests/browser/browser_Finder_hidden_textarea.js
@@ -0,0 +1,52 @@
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+add_task(function* test_bug1174036() {
+  const URI =
+    "<body><textarea>e1</textarea><textarea>e2</textarea><textarea>e3</textarea></body>";
+  yield BrowserTestUtils.withNewTab({ gBrowser, url: "data:text/html;charset=utf-8," + encodeURIComponent(URI) },
+    function* (browser) {
+      // Hide the first textarea.
+      yield ContentTask.spawn(browser, null, function() {
+        content.document.getElementsByTagName("textarea")[0].style.display = "none";
+      });
+
+      let finder = browser.finder;
+      let listener = {
+        onFindResult: function () {
+          ok(false, "callback wasn't replaced");
+        }
+      };
+      finder.addResultListener(listener);
+
+      function waitForFind() {
+        return new Promise(resolve => {
+          listener.onFindResult = resolve;
+        })
+      }
+
+      // Find the first 'e' (which should be in the second textarea).
+      let promiseFind = waitForFind();
+      finder.fastFind("e", false, false);
+      let findResult = yield promiseFind;
+      is(findResult.result, Ci.nsITypeAheadFind.FIND_FOUND, "find first string");
+
+      let firstRect = findResult.rect;
+
+      // Find the second 'e' (in the third textarea).
+      promiseFind = waitForFind();
+      finder.findAgain(false, false, false);
+      findResult = yield promiseFind;
+      is(findResult.result, Ci.nsITypeAheadFind.FIND_FOUND, "find second string");
+      ok(!findResult.rect.equals(firstRect), "found new string");
+
+      // Ensure that we properly wrap to the second textarea.
+      promiseFind = waitForFind();
+      finder.findAgain(false, false, false);
+      findResult = yield promiseFind;
+      is(findResult.result, Ci.nsITypeAheadFind.FIND_WRAPPED, "wrapped to first string");
+      ok(findResult.rect.equals(firstRect), "wrapped to original string");
+
+      finder.removeResultListener(listener);
+    });
+});