Add m-esr52 at 52.6.0

1 files changed, 55 insertions, 0 deletions

diff --git a/toolkit/components/places/tests/unit/test_async_in_batchmode.js b/toolkit/components/places/tests/unit/test_async_in_batchmode.js
new file mode 100644
index 000000000..b39b26519
--- /dev/null
+++ b/toolkit/components/places/tests/unit/test_async_in_batchmode.js
@@ -0,0 +1,55 @@
+// This is testing the frankenstein situation Sync forces Places into.
+// Sync does runInBatchMode() and before the callback returns the Places async
+// APIs are used (either by Sync itself, or by any other code in the system)
+// As seen in bug 1197856 and bug 1190131.
+
+Cu.import("resource://gre/modules/PlacesUtils.jsm");
+
+// This function "waits" for a promise to resolve by spinning a nested event
+// loop.
+function waitForPromise(promise) {
+  let thread = Cc["@mozilla.org/thread-manager;1"].getService().currentThread;
+
+  let finalResult, finalException;
+
+  promise.then(result => {
+    finalResult = result;
+  }, err => {
+    finalException = err;
+  });
+
+  // Keep waiting until our callback is triggered (unless the app is quitting).
+  while (!finalResult && !finalException) {
+    thread.processNextEvent(true);
+  }
+  if (finalException) {
+    throw finalException;
+  }
+  return finalResult;
+}
+
+add_test(function() {
+  let testCompleted = false;
+  PlacesUtils.bookmarks.runInBatchMode({
+    runBatched() {
+      // create a bookmark.
+      let info = { parentGuid: PlacesUtils.bookmarks.unfiledGuid,
+                   type: PlacesUtils.bookmarks.TYPE_BOOKMARK,
+                   url: "http://example.com/" };
+      let insertPromise = PlacesUtils.bookmarks.insert(info);
+      let bookmark = waitForPromise(insertPromise);
+      // Check we got a bookmark (bookmark creation failed completely in
+      // bug 1190131)
+      equal(bookmark.url, info.url);
+      // Check the promiseItemGuid and promiseItemId helpers - failure in these
+      // was the underlying reason for the failure.
+      let id = waitForPromise(PlacesUtils.promiseItemId(bookmark.guid));
+      let guid = waitForPromise(PlacesUtils.promiseItemGuid(id));
+      equal(guid, bookmark.guid, "id and guid round-tripped correctly");
+      testCompleted = true;
+    }
+  }, null);
+  // make sure we tested what we think we tested.
+  ok(testCompleted);
+  run_next_test();
+});