Files
mongo/jstests/aggregation/bugs/server4638.js
2015-11-11 11:12:17 -05:00

19 lines
567 B
JavaScript

// SERVER-4638 - this tests explicit undefined values
// This case is marked as a dup of SERVER-4674
t = db.server4638
t.drop();
t.insert( { _id : 0 , x : 0 , undef: undefined } );
// Make sure having an undefined doesn't break pipelines not using the field
res = t.aggregate( { $project : { x : 1 } } ).toArray();
assert.eq(res[0].x, 0);
// Make sure having an undefined doesn't break pipelines that do use the field
res = t.aggregate( { $project : { undef : 1 } } ).toArray();
assert.eq(res[0].undef, undefined);
assert.eq(typeof(res[0].undef), "undefined");