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49 lines
1.5 KiB
JavaScript
49 lines
1.5 KiB
JavaScript
t = db.jstests_exists;
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t.drop();
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t.save( {} );
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t.save( {a:1} );
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t.save( {a:{b:1}} );
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t.save( {a:{b:{c:1}}} );
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t.save( {a:{b:{c:{d:null}}}} );
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function dotest( n ){
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assert.eq( 5, t.count() , n );
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assert.eq( 1, t.count( {a:null} ) , n );
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assert.eq( 2, t.count( {'a.b':null} ) , n );
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assert.eq( 3, t.count( {'a.b.c':null} ) , n );
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assert.eq( 5, t.count( {'a.b.c.d':null} ) , n );
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assert.eq( 5, t.count() , n );
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assert.eq( 4, t.count( {a:{$ne:null}} ) , n );
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assert.eq( 3, t.count( {'a.b':{$ne:null}} ) , n );
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assert.eq( 2, t.count( {'a.b.c':{$ne:null}} ) , n );
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assert.eq( 0, t.count( {'a.b.c.d':{$ne:null}} ) , n );
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assert.eq( 4, t.count( {a: {$exists:true}} ) , n );
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assert.eq( 3, t.count( {'a.b': {$exists:true}} ) , n );
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assert.eq( 2, t.count( {'a.b.c': {$exists:true}} ) , n );
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assert.eq( 1, t.count( {'a.b.c.d': {$exists:true}} ) , n );
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assert.eq( 1, t.count( {a: {$exists:false}} ) , n );
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assert.eq( 2, t.count( {'a.b': {$exists:false}} ) , n );
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assert.eq( 3, t.count( {'a.b.c': {$exists:false}} ) , n );
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assert.eq( 4, t.count( {'a.b.c.d': {$exists:false}} ) , n );
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}
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dotest( "before index" )
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t.ensureIndex( { "a" : 1 } )
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t.ensureIndex( { "a.b" : 1 } )
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t.ensureIndex( { "a.b.c" : 1 } )
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t.ensureIndex( { "a.b.c.d" : 1 } )
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dotest( "after index" )
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t.drop();
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t.save( {r:[{s:1}]} );
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assert( t.findOne( {'r.s':{$exists:true}} ) );
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assert( !t.findOne( {'r.s':{$exists:false}} ) );
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assert( !t.findOne( {'r.t':{$exists:true}} ) );
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assert( t.findOne( {'r.t':{$exists:false}} ) );
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