1 files changed, 33 insertions, 0 deletions
diff --git a/jstests/core/write/update/update3.js b/jstests/core/write/update/update3.js
new file mode 100644
index 00000000000..5a61b8bcfc9
--- /dev/null
+++ b/jstests/core/write/update/update3.js
@@ -0,0 +1,33 @@
+// Cannot implicitly shard accessed collections because of following errmsg: A single
+// update/delete on a sharded collection must contain an exact match on _id or contain the shard
+// key.
+// @tags: [assumes_unsharded_collection]
+
+// Update with mods corner cases.
+
+f = db.jstests_update3;
+
+f.drop();
+f.save({a: 1});
+f.update({}, {$inc: {a: 1}});
+assert.eq(2, f.findOne().a, "A");
+
+f.drop();
+f.save({a: {b: 1}});
+f.update({}, {$inc: {"a.b": 1}});
+assert.eq(2, f.findOne().a.b, "B");
+
+f.drop();
+f.save({a: {b: 1}});
+f.update({}, {$set: {"a.b": 5}});
+assert.eq(5, f.findOne().a.b, "C");
+
+f.drop();
+f.save({'_id': 0});
+f.update({}, {$set: {'_id': 5}});
+assert.eq(0, f.findOne()._id, "D");
+
+f.drop();
+f.save({_id: 1, a: 1});
+f.update({}, {$unset: {"a": 1, "b.c": 1}});
+assert.docEq({_id: 1}, f.findOne(), "E");
+\ No newline at end of file