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path: root/jstests/fts1.js
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load( "jstests/libs/fts.js" );

t = db.text1;
t.drop();

// this test requires usePowerOf2Sizes to be off
db.createCollection( t.getName(), {"usePowerOf2Sizes" : false } );
assert.eq(0, t.stats().userFlags);

assert.eq( [] , queryIDS( t , "az" ) , "A0" );

t.save( { _id : 1 , x : "az b c" } );
t.save( { _id : 2 , x : "az b" } );
t.save( { _id : 3 , x : "b c" } );
t.save( { _id : 4 , x : "b c d" } );

assert.eq(t.stats().userFlags, 0,
          "A new collection should not have power-of-2 storage allocation strategy");
t.ensureIndex( { x : "text" } );
assert.eq(t.stats().userFlags, 1,
          "Creating a text index on a collection should change the allocation strategy " +
          "to power-of-2.");

assert.eq( [1,2,3,4] , queryIDS( t , "c az" ) , "A1" );
assert.eq( [4] , queryIDS( t , "d" ) , "A2" );

idx = db.system.indexes.findOne( { ns: t.getFullName(), "weights.x" : 1 } )
assert( idx.v >= 1, tojson( idx ) )
assert( idx.textIndexVersion >= 1, tojson( idx ) )