1 files changed, 30 insertions, 0 deletions
diff --git a/jstests/core/nestedarr1.js b/jstests/core/nestedarr1.js
new file mode 100644
index 00000000000..b3bc9b73156
--- /dev/null
+++ b/jstests/core/nestedarr1.js
@@ -0,0 +1,30 @@
+// make sure that we don't crash on large nested arrays but correctly do not index them
+// SERVER-5127, SERVER-5036
+
+function makeNestArr(depth){
+    if(depth == 1){
+        return {a : [depth]};
+    }
+    else{
+        return {a : [makeNestArr(depth - 1)] };
+    }
+}
+
+t = db.arrNestTest;
+t.drop();
+
+t.ensureIndex({a:1});
+
+n = 1;
+while ( true ) {
+    var before = t.count();
+    t.insert( { _id : n, a : makeNestArr(n) } );
+    var after = t.count();
+    if ( before == after )
+        break;
+    n++;
+}
+
+assert( n > 30, "not enough n: " + n );
+
+assert.eq( t.count(), t.find( { _id : { $gt : 0 } } ).hint( { a : 1 } ).itcount() );