1 files changed, 17 insertions, 0 deletions
diff --git a/jstests/core/orb.js b/jstests/core/orb.js
new file mode 100644
index 00000000000..a4abdeecabf
--- /dev/null
+++ b/jstests/core/orb.js
@@ -0,0 +1,17 @@
+// check neg direction index and negation
+
+var t = db.jstests_orb;
+t.drop();
+
+t.save( {a:1} );
+t.ensureIndex( {a:-1} );
+
+assert.eq.automsg( "1", "t.count( {$or: [ { a: { $gt:0,$lt:2 } }, { a: { $gt:-1,$lt:3 } } ] } )" );
+
+t.drop();
+
+t.save( {a:1,b:1} );
+t.ensureIndex( {a:1,b:-1} );
+
+assert.eq.automsg( "1", "t.count( {$or: [ { a: { $gt:0,$lt:2 } }, { a: { $gt:-1,$lt:3 } } ] } )" );
+assert.eq.automsg( "1", "t.count( {$or: [ { a:1, b: { $gt:0,$lt:2 } }, { a:1, b: { $gt:-1,$lt:3 } } ] } )" );
+\ No newline at end of file