SERVER-12127 migrate js tests to jscore suite when not related to writes

Migrate js tests starting from j-z.
Include SERVER-12920 Update use_power_of_2.js

Signed-off-by: Matt Kangas <matt.kangas@mongodb.com>

1 files changed, 27 insertions, 0 deletions

diff --git a/jstests/core/orf.js b/jstests/core/orf.js
new file mode 100644
index 00000000000..720b5b31f0c
--- /dev/null
+++ b/jstests/core/orf.js
@@ -0,0 +1,27 @@
+// Test a query with 200 $or clauses
+
+t = db.jstests_orf;
+t.drop();
+
+var a = [];
+var expectBounds = [];
+for( var i = 0; i < 200; ++i ) {
+    a.push( {_id:i} );
+    expectBounds.push([i, i]);
+}
+a.forEach( function( x ) { t.save( x ); } );
+
+// This $or query is answered as an index scan over
+// a series of _id index point intervals.
+explain = t.find( {$or:a} ).hint( {_id: 1} ).explain( true );
+printjson( explain );
+assert.eq( 'BtreeCursor _id_', explain.cursor, 'cursor' );
+assert.eq( expectBounds, explain.indexBounds['_id'], 'indexBounds' );
+assert.eq( 200, explain.n, 'n' );
+assert.eq( 200, explain.nscanned, 'nscanned' );
+assert.eq( 200, explain.nscannedObjects, 'nscannedObjects' );
+assert.eq( false, explain.isMultiKey, 'isMultiKey' );
+assert.eq( false, explain.scanAndOrder, 'scanAndOrder' );
+assert.eq( false, explain.indexOnly, 'indexOnly' );
+
+assert.eq( 200, t.count( {$or:a} ) );