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, 18 insertions, 0 deletions

diff --git a/jstests/core/regex4.js b/jstests/core/regex4.js
new file mode 100644
index 00000000000..fc26d691c91
--- /dev/null
+++ b/jstests/core/regex4.js
@@ -0,0 +1,18 @@
+
+t = db.regex4;
+t.drop();
+
+t.save( { name : "eliot" } );
+t.save( { name : "emily" } );
+t.save( { name : "bob" } );
+t.save( { name : "aaron" } );
+
+assert.eq( 2 , t.find( { name : /^e.*/ } ).count() , "no index count" );
+assert.eq( 4 , t.find( { name : /^e.*/ } ).explain().nscanned , "no index explain" );
+//assert.eq( 2 , t.find( { name : { $ne : /^e.*/ } } ).count() , "no index count ne" ); // SERVER-251
+
+t.ensureIndex( { name : 1 } );
+
+assert.eq( 2 , t.find( { name : /^e.*/ } ).count() , "index count" );
+assert.eq( 2 , t.find( { name : /^e.*/ } ).explain().nscanned , "index explain" ); // SERVER-239
+//assert.eq( 2 , t.find( { name : { $ne : /^e.*/ } } ).count() , "index count ne" ); // SERVER-251