1 files changed, 25 insertions, 0 deletions
diff --git a/jstests/core/update_currentdate_examples.js b/jstests/core/update_currentdate_examples.js
new file mode 100644
index 00000000000..f6270c62871
--- /dev/null
+++ b/jstests/core/update_currentdate_examples.js
@@ -0,0 +1,25 @@
+// Basic examples for $currentDate
+var res;
+var coll = db.update_currentdate;
+coll.drop();
+
+// $currentDate default
+coll.remove({})
+coll.save({_id:1, a:2});
+res = coll.update({}, {$currentDate: {a: true}})
+assert.writeOK(res);
+assert(coll.findOne().a.constructor == Date)
+
+// $currentDate type = date
+coll.remove({})
+coll.save({_id:1, a:2});
+res = coll.update({}, {$currentDate: {a: {$type: "date"}}})
+assert.writeOK(res);
+assert(coll.findOne().a.constructor == Date)
+
+// $currentDate type = timestamp
+coll.remove({})
+coll.save({_id:1, a:2});
+res = coll.update({}, {$currentDate: {a: {$type: "timestamp"}}})
+assert.writeOK(res);
+assert(coll.findOne().a.constructor == Timestamp)