// Alocate collection forcing just a small size remainder in 2nd extent

var baseName = "jstests_disk_newcollection2";
var m = MongoRunner.runMongod({noprealloc: "", smallfiles: ""});
db = m.getDB( "test" );

db.createCollection( baseName, {size:0x1FFC0000-0x10-8192} );
var v = db[ baseName ].validate();
printjson( v );
assert( v.valid );

// Try creating collections with some invalid names and confirm that they
// don't crash MongoD.

db.runCommand({ applyOps: [ { op: 'u', ns: 'a\0b' } ] });
var res = db["a\0a"].insert({});
assert(res.hasWriteError(), "A write to collection a\0a succceeded");