1 files changed, 19 insertions, 0 deletions
diff --git a/jstests/update_arraymatch7.js b/jstests/update_arraymatch7.js
new file mode 100644
index 00000000000..78b025cc9d5
--- /dev/null
+++ b/jstests/update_arraymatch7.js
@@ -0,0 +1,19 @@
+// Check that the positional operator works properly when an index only match is used for the update
+// query spec.  SERVER-5067
+
+t = db.jstests_update_arraymatch7;
+t.drop();
+
+function testPositionalInc() {
+    t.remove();
+    t.save( { a:[ { b:'match', count:0 } ] } );
+    t.update( { 'a.b':'match' }, { $inc:{ 'a.$.count':1 } } );
+    // Check that the positional $inc succeeded.
+    assert( t.findOne( { 'a.count':1 } ) );
+}
+
+testPositionalInc();
+
+// Now check with a non multikey index.
+t.ensureIndex( { 'a.b' : 1 } );
+testPositionalInc();