test for broken multi-key issue

1 files changed, 19 insertions, 0 deletions

diff --git a/jstests/indexc.js b/jstests/indexc.js
new file mode 100644
index 00000000000..d7c218b1969
--- /dev/null
+++ b/jstests/indexc.js
@@ -0,0 +1,19 @@
+
+t = db.indexc;
+t.drop();
+
+for ( var i=1; i<100; i++ ){
+    var d = new Date( ( new Date() ).getTime() + i );
+    t.save( { a : i , ts : d , cats : [ i , i + 1 , i + 2 ] } );
+    if ( i == 51 )
+        mid = d;
+}
+
+assert.eq( 50 , t.find( { ts : { $lt : mid } } ).itcount() , "A" );
+assert.eq( 50 , t.find( { ts : { $lt : mid } } ).sort( { ts : 1 } ).itcount() , "B" );
+
+t.ensureIndex( { ts : 1 , cats : 1 } );
+
+// multi-key bug
+//assert.eq( 50 , t.find( { ts : { $lt : mid } } ).itcount() , "C" );
+//assert.eq( 50 , t.find( { ts : { $lt : mid } } ).sort( { ts : 1 } ).itcount() , "D" );