(function() {

    load("jstests/configs/standard_dump_targets.config.js");

    // skip tests requiring wiredTiger storage engine on pre 3.0 mongod
    if (TestData && TestData.storageEngine === 'wiredTiger')
        return

    // Tests using mongorestore to restore a dump from a 2.6 mongod to a 3.0 mongod.

    jsTest.log('Testing running mongorestore restoring data from a 2.6 mongod to'+
            ' a 3.0 mongod');

    var toolTest = new ToolTest('26_to_28', { binVersion: '2.6' });
    toolTest.startDB('foo');

    // where we'll put the dump
    var dumpTarget = '26_to_28_dump';
    resetDbpath(dumpTarget);

    // the db and collection we'll be using
    var testDB = toolTest.db.getSiblingDB('test');
    var testColl = testDB.coll;

    // insert some documents
    for (var i = 0; i < 50; i++) {
        testColl.insert({ _id: i });
    }
    // sanity check the insert worked
    assert.eq(50, testColl.count());

    // dump the data 
    var ret = toolTest.runTool.apply(toolTest,['dump'].concat(getDumpTarget(dumpTarget)));
    assert.eq(0, ret);

    // drop the database
    testDB.dropDatabase();

    // restart the mongod as a 3.0
    stopMongod(toolTest.port);
    toolTest.m = null;
    toolTest.db = null;
    delete toolTest.options.binVersion;
    toolTest.startDB('foo');

    // refresh the db and coll reference
    testDB = toolTest.db.getSiblingDB('test');
    testColl = testDB.coll;

    // restore the data
    ret = toolTest.runTool.apply(toolTest,['restore'].concat(getRestoreTarget(dumpTarget)));
    assert.eq(0, ret);

    // make sure the data was restored
    assert.eq(50, testColl.count());
    for (var i = 0; i < 50; i++) {
        assert.eq(1, testColl.count({ _id: i })); 
    }

    // success
    toolTest.stop();

}());
