1 files changed, 32 insertions, 0 deletions
diff --git a/browser/base/content/test/newtab/browser_newtab_bug735987.js b/browser/base/content/test/newtab/browser_newtab_bug735987.js
new file mode 100644
index 000000000..2ae541c70
--- /dev/null
+++ b/browser/base/content/test/newtab/browser_newtab_bug735987.js
@@ -0,0 +1,32 @@
+/* Any copyright is dedicated to the Public Domain.
+   http://creativecommons.org/publicdomain/zero/1.0/ */
+
+add_task(function* () {
+  yield setLinks("0,1,2,3,4,5,6,7,8");
+  setPinnedLinks("");
+
+  yield* addNewTabPageTab();
+  yield* checkGrid("0,1,2,3,4,5,6,7,8");
+
+  yield* simulateExternalDrop(1);
+  yield* checkGrid("0,99p,1,2,3,4,5,6,7");
+
+  yield blockCell(1);
+  yield* checkGrid("0,1,2,3,4,5,6,7,8");
+
+  yield* simulateExternalDrop(1);
+  yield* checkGrid("0,99p,1,2,3,4,5,6,7");
+
+  // Simulate a restart and force the next about:newtab
+  // instance to read its data from the storage again.
+  NewTabUtils.blockedLinks.resetCache();
+
+  // Update all open pages, e.g. preloaded ones.
+  NewTabUtils.allPages.update();
+
+  yield* addNewTabPageTab();
+  yield* checkGrid("0,99p,1,2,3,4,5,6,7");
+
+  yield blockCell(1);
+  yield* checkGrid("0,1,2,3,4,5,6,7,8");
+});