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25 lines
605 B
JavaScript
25 lines
605 B
JavaScript
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t = db.explain1;
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t.drop();
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for ( var i=0; i<100; i++ ){
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t.save( { x : i } );
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}
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q = { x : { $gt : 50 } };
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assert.eq( 49 , t.find( q ).count() , "A" );
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assert.eq( 49 , t.find( q ).itcount() , "B" );
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assert.eq( 20 , t.find( q ).limit(20).itcount() , "C" );
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t.ensureIndex( { x : 1 } );
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assert.eq( 49 , t.find( q ).count() , "D" );
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assert.eq( 49 , t.find( q ).itcount() , "E" );
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assert.eq( 20 , t.find( q ).limit(20).itcount() , "F" );
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assert.eq( 49 , t.find(q).explain().n , "G" );
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assert.eq( 20 , t.find(q).limit(20).explain().n , "H" );
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assert.eq( 20 , t.find(q).limit(-20).explain().n , "I" );
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