67 lines
1.7 KiB
JavaScript
67 lines
1.7 KiB
JavaScript
// Check that $nin is the opposite of $in SERVER-3264
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t = db.jstests_nin2;
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t.drop();
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// Check various operator types.
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function checkOperators( array, inMatches ) {
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inCount = inMatches ? 1 : 0;
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notInCount = 1 - inCount;
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assert.eq( inCount, t.count( {foo:{$in:array}} ) );
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assert.eq( notInCount, t.count( {foo:{$not:{$in:array}}} ) );
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assert.eq( notInCount, t.count( {foo:{$nin:array}} ) );
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assert.eq( inCount, t.count( {foo:{$not:{$nin:array}}} ) );
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}
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t.save({});
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assert.eq( 1, t.count( {foo:null} ) );
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assert.eq( 0, t.count( {foo:{$ne:null}} ) );
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assert.eq( 0, t.count( {foo:1} ) );
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// Check matching null against missing field.
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checkOperators( [null], true );
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checkOperators( [null,1], true );
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checkOperators( [1,null], true );
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t.remove();
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t.save({foo:null});
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assert.eq( 1, t.count( {foo:null} ) );
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assert.eq( 0, t.count( {foo:{$ne:null}} ) );
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assert.eq( 0, t.count( {foo:1} ) );
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// Check matching empty set.
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checkOperators( [], false );
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// Check matching null against missing null field.
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checkOperators( [null], true );
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checkOperators( [null,1], true );
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checkOperators( [1,null], true );
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t.remove();
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t.save({foo:1});
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assert.eq( 0, t.count( {foo:null} ) );
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assert.eq( 1, t.count( {foo:{$ne:null}} ) );
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assert.eq( 1, t.count( {foo:1} ) );
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// Check matching null against 1.
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checkOperators( [null], false );
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checkOperators( [null,1], true );
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checkOperators( [1,null], true );
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t.remove();
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t.save( {foo:[0,1]} );
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// Check exact match of embedded array.
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checkOperators( [[0,1]], true );
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t.remove();
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t.save( {foo:[]} );
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// Check exact match of embedded empty array.
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checkOperators( [[]], true );
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t.remove();
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t.save( {foo:'foo'} );
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// Check regex match.
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checkOperators( [/o/], true );
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