1 files changed, 89 insertions, 0 deletions
diff --git a/comm/mailnews/local/test/unit/test_folderLoaded.js b/comm/mailnews/local/test/unit/test_folderLoaded.js
new file mode 100644
index 0000000000..398aa6bff4
--- /dev/null
+++ b/comm/mailnews/local/test/unit/test_folderLoaded.js
@@ -0,0 +1,89 @@
+/* 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/. */
+
+/**
+ * The intent of this file is to show a folder loaded event after a load
+ * with a null database.
+ */
+
+var { MessageGenerator, SyntheticMessageSet } = ChromeUtils.import(
+  "resource://testing-common/mailnews/MessageGenerator.jsm"
+);
+var { MessageInjection } = ChromeUtils.import(
+  "resource://testing-common/mailnews/MessageInjection.jsm"
+);
+var { PromiseTestUtils } = ChromeUtils.import(
+  "resource://testing-common/mailnews/PromiseTestUtils.jsm"
+);
+
+var testSubjects = [
+  "[Bug 397009] A filter will let me tag, but not untag",
+  "Hello, did you receive my bugmail?",
+];
+var gMsgFile1 = do_get_file("../../../data/bugmail1");
+var gMsgFile2 = do_get_file("../../../data/draft1");
+
+var gTargetFolder = null;
+
+add_setup(async function () {
+  if (typeof localAccountUtils.inboxFolder == "undefined") {
+    localAccountUtils.loadLocalMailAccount();
+  }
+  localAccountUtils.rootFolder.createSubfolder("target", null);
+  gTargetFolder = localAccountUtils.rootFolder.getChildNamed("target");
+
+  let copyListenerFile1 = new PromiseTestUtils.PromiseCopyListener();
+  MailServices.copy.copyFileMessage(
+    gMsgFile1,
+    gTargetFolder,
+    null,
+    false,
+    0,
+    "",
+    copyListenerFile1,
+    null
+  );
+  await copyListenerFile1.promise;
+
+  let copyListenerFile2 = new PromiseTestUtils.PromiseCopyListener();
+  MailServices.copy.copyFileMessage(
+    gMsgFile2,
+    gTargetFolder,
+    null,
+    false,
+    0,
+    "",
+    copyListenerFile2,
+    null
+  );
+  await copyListenerFile2.promise;
+});
+
+add_task(async function firstUpdate() {
+  // Get message headers for the target folder.
+  var msgCount = 0;
+  for (let hdr of gTargetFolder.msgDatabase.enumerateMessages()) {
+    msgCount++;
+    Assert.equal(hdr.subject, testSubjects[msgCount - 1]);
+  }
+  Assert.equal(msgCount, 2);
+
+  let folderAddedListener = PromiseTestUtils.promiseFolderEvent(
+    gTargetFolder,
+    "FolderLoaded"
+  );
+  gTargetFolder.updateFolder(null);
+  await folderAddedListener;
+});
+
+add_task(async function secondUpdate() {
+  // If the following executes, the test hangs in bug 787557.
+  gTargetFolder.msgDatabase = null;
+  let folderAddedListener = PromiseTestUtils.promiseFolderEvent(
+    gTargetFolder,
+    "FolderLoaded"
+  );
+  gTargetFolder.updateFolder(null);
+  await folderAddedListener;
+});