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mongodb/jstests/inc2.js

23 lines
493 B
JavaScript

t = db.inc2
t.drop();
t.save( { _id : 1 , x : 1 } );
t.save( { _id : 2 , x : 2 } );
t.save( { _id : 3 , x : 3 } );
function order(){
return t.find().sort( { x : 1 } ).map( function(z){ return z._id; } );
}
assert.eq( "1,2,3" , order() , "A" );
t.update( { _id : 1 } , { $inc : { x : 4 } } );
assert.eq( "2,3,1" , order() , "B" );
t.ensureIndex( { x : 1 } );
assert.eq( "2,3,1" , order() , "C" );
t.update( { _id : 3 } , { $inc : { x : 4 } } );
assert.eq( "2,1,3" , order() , "D" );