mongodb/jstests/noPassthroughWithMongod/mr_noscripting.js

var conn = MongoRunner.runMongod({noscripting: ''});
var testDB = conn.getDB('foo');
var coll = testDB.bar;

coll.insert({x: 1});

var map = function() {
    emit(this.x, 1);
};

var reduce = function(key, values) {
    return 1;
};

var mrResult = testDB.runCommand({mapReduce: 'bar', map: map, reduce: reduce, out: {inline: 1}});

assert.eq(0, mrResult.ok, 'mr result: ' + tojson(mrResult));

// Confirm that mongod did not crash
var cmdResult = testDB.adminCommand({serverStatus: 1});
assert(cmdResult.ok, 'serverStatus failed, result: ' + tojson(cmdResult));
MongoRunner.stopMongod(conn);