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path: root/jstests/core/remove_justone.js
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t = db.remove_justone;
t.drop();

t.insert({x: 1});
t.insert({x: 1});
t.insert({x: 1});
t.insert({x: 1});

assert.eq(4, t.count());

t.remove({x: 1}, true);
assert.eq(3, t.count());

t.remove({x: 1});
assert.eq(0, t.count());