// check that there is preallocation on insert

port = allocatePorts( 1 )[ 0 ];

var baseName = "jstests_preallocate2";

var m = startMongod( "--port", port, "--dbpath", MongoRunner.dataPath + baseName );

m.getDB( baseName )[ baseName ].save( {i:1} );

// Windows does not currently use preallocation
expectedMB = ( _isWindows() ? 70 : 100 );
if ( m.getDB( baseName ).serverBits() < 64 )
    expectedMB /= 4;

assert.soon( function() { return m.getDBs().totalSize > expectedMB * 1000000; }, "\n\n\nFAIL preallocate.js expected second file to bring total size over " + expectedMB + "MB" );
