1 files changed, 31 insertions, 0 deletions
diff --git a/jstests/core/ddl/drop3.js b/jstests/core/ddl/drop3.js
new file mode 100644
index 00000000000..78d4872a6c0
--- /dev/null
+++ b/jstests/core/ddl/drop3.js
@@ -0,0 +1,31 @@
+// @tags: [
+//   requires_getmore,
+//   # getMore is not causally consistent if collection is dropped.
+//   does_not_support_causal_consistency,
+// ]
+
+t = db.jstests_drop3;
+sub = t.sub;
+
+t.drop();
+sub.drop();
+
+for (var i = 0; i < 10; i++) {
+    t.insert({});
+    sub.insert({});
+}
+
+var cursor = t.find().batchSize(2);
+var subcursor = sub.find().batchSize(2);
+
+cursor.next();
+subcursor.next();
+assert.eq(cursor.objsLeftInBatch(), 1);
+assert.eq(subcursor.objsLeftInBatch(), 1);
+
+t.drop();  // should invalidate cursor, but not subcursor
+
+assert.throws(function() {
+    cursor.itcount();
+});                                 // throws "cursor doesn't exist on server" error on getMore
+assert.eq(subcursor.itcount(), 9);  // one already seen