jstests/disk/newcollection.js


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// SERVER-594 test

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

var t = db[baseName];
var getTotalNonLocalSize = function() {
    var totalNonLocalDBSize = 0;
    m.getDBs().databases.forEach( function(dbStats) {
        // We accept the local database's space overhead.
        if (dbStats.name == "local") return;

        // Databases with "sizeOnDisk=1" and "empty=true" dont' actually take up space o disk.
        // See SERVER-11051.
        if (dbStats.sizeOnDisk == 1 && dbStats.empty) return;
        totalNonLocalDBSize += dbStats.sizeOnDisk;
    });
    return totalNonLocalDBSize;
};

for (var pass = 0; pass <= 1; pass++) {

    db.createCollection(baseName, { size: 15.8 * 1024 * 1024 });
    if( pass == 0 )
        t.drop();

    size = getTotalNonLocalSize();
    t.save({});
    assert.eq(size, getTotalNonLocalSize());
    assert(size <= 32 * 1024 * 1024);

    t.drop();
}