1 files changed, 21 insertions, 0 deletions
diff --git a/jstests/core/query/or/or6.js b/jstests/core/query/or/or6.js
new file mode 100644
index 00000000000..8865d62d4f3
--- /dev/null
+++ b/jstests/core/query/or/or6.js
@@ -0,0 +1,21 @@
+// A few rooted $or cases.
+var t = db.jstests_orq;
+t.drop();
+
+t.createIndex({a: 1, c: 1});
+t.createIndex({b: 1, c: 1});
+
+t.save({a: 1, c: 9});
+t.save({a: 1, c: 10});
+t.save({b: 2, c: 8});
+t.save({b: 2, c: 7});
+
+// This can be answered using a merge sort. See SERVER-13715.
+var cursor = t.find({$or: [{a: 1}, {b: 2}]}).sort({c: 1});
+for (var i = 7; i < 11; i++) {
+    assert.eq(i, cursor.next()["c"]);
+}
+assert(!cursor.hasNext());
+
+// SERVER-13715
+assert.eq(4, t.find({$or: [{a: 1}, {b: 2}]}).sort({a: 1}).itcount());