[SERVER-7104] jsonString has incorrect output on undefined BSON elements. - MongoDB

XML

Word

Printable

Test case that fails:

class SingleUndefinedMember {
public:
void run() {
BSONObjBuilder b;
b.appendUndefined( "a" );
ASSERT_EQUALS( "

{ \"a\" : undefined }

", b.done().jsonString( Strict ) );
}
};

jsonString outputs "

{ undefined }

is depended on by

SERVER-6947 db.createCollection creates undefined fields which cause mongorestore to fail

SERVER-7190 Mongodump metadata.json files should be in proper json format

related to

SERVER-6102 Shell displays both 'undefined' and 'null' type as 'null'