File: remove_justone.js

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mongodb 1%3A2.4.10-5
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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() )