1 files changed, 21 insertions, 0 deletions
diff --git a/jstests/core/indexs.js b/jstests/core/indexs.js
new file mode 100644
index 00000000000..609f912affe
--- /dev/null
+++ b/jstests/core/indexs.js
@@ -0,0 +1,21 @@
+// Test index key generation issue with parent and nested fields in same index and array containing subobject SERVER-3005.
+
+t = db.jstests_indexs;
+
+t.drop();
+t.ensureIndex( {a:1} );
+t.save( { a: [ { b: 3 } ] } );
+assert.eq( 1, t.count( { a:{ b:3 } } ) );
+
+t.drop();
+t.ensureIndex( {a:1,'a.b':1} );
+t.save( { a: { b: 3 } } );
+assert.eq( 1, t.count( { a:{ b:3 } } ) );
+ib = t.find( { a:{ b:3 } } ).explain().indexBounds;
+
+t.drop();
+t.ensureIndex( {a:1,'a.b':1} );
+t.save( { a: [ { b: 3 } ] } );
+assert.eq( ib, t.find( { a:{ b:3 } } ).explain().indexBounds );
+assert.eq( 1, t.find( { a:{ b:3 } } ).explain().nscanned );
+assert.eq( 1, t.count( { a:{ b:3 } } ) );