1 files changed, 54 insertions, 0 deletions
diff --git a/jstests/core/find1.js b/jstests/core/find1.js
new file mode 100644
index 00000000000..ed79c3dd2c7
--- /dev/null
+++ b/jstests/core/find1.js
@@ -0,0 +1,54 @@
+t = db.find1;
+t.drop();
+
+lookAtDocumentMetrics = false;
+
+// QUERY MIGRATION
+// New system is still not connected to server status
+if ( db.serverStatus().metrics ) {
+    // var ss = db.serverStatus();
+    // lookAtDocumentMetrics = ss.metrics.document != null && ss.metrics.queryExecutor.scanned != null;
+}
+
+print( "lookAtDocumentMetrics: " + lookAtDocumentMetrics );
+
+if ( lookAtDocumentMetrics ) {
+    // ignore mongos
+    nscannedStart = db.serverStatus().metrics.queryExecutor.scanned
+}
+
+
+t.save( { a : 1 , b : "hi" } );
+t.save( { a : 2 , b : "hi" } );
+
+/* very basic test of $snapshot just that we get some result */
+// we are assumign here that snapshot uses the id index; maybe one day it doesn't if so this would need to change then
+assert( t.find({$query:{},$snapshot:1})[0].a == 1 , "$snapshot simple test 1" );
+var q = t.findOne();
+q.c = "zzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzz";
+t.save(q); // will move a:1 object to after a:2 in the file 
+assert( t.find({$query:{},$snapshot:1})[0].a == 1 , "$snapshot simple test 2" );
+
+assert( t.findOne( { a : 1 } ).b != null , "A" );
+assert( t.findOne( { a : 1 } , { a : 1 } ).b == null , "B");
+
+assert( t.find( { a : 1 } )[0].b != null , "C" );
+assert( t.find( { a : 1 } , { a : 1 } )[0].b == null , "D" );
+assert( t.find( { a : 1 } , { a : 1 } ).sort( { a : 1 } )[0].b == null , "D" );
+
+id = t.findOne()._id;
+
+assert( t.findOne( id ) , "E" );
+assert( t.findOne( id ).a , "F" );
+assert( t.findOne( id ).b , "G" );
+
+assert( t.findOne( id , { a : 1 } ).a , "H" );
+assert( ! t.findOne( id , { a : 1 } ).b , "I" );
+
+assert(t.validate().valid,"not valid");
+
+if ( lookAtDocumentMetrics ) {
+    // ignore mongos
+    nscannedEnd = db.serverStatus().metrics.queryExecutor.scanned
+    assert.lte( nscannedStart + 16, nscannedEnd );
+}