mongo/jstests/core/query/basic8.js

13 lines
191 B
JavaScript

// @tags: [requires_fastcount]
let t = db.basic8;
t.drop();
t.save({a: 1});
let o = t.findOne();
o.b = 2;
t.save(o);
assert.eq(1, t.find().count(), "A");
assert.eq(2, t.findOne().b, "B");