// unique index, drop dups t = db.jstests_index10; t.drop(); t.save( {i:1} ); t.save( {i:2} ); t.save( {i:1} ); t.save( {i:3} ); t.save( {i:1} ); t.ensureIndex( {i:1} ); assert.eq( 5, t.count() ); t.dropIndexes(); t.ensureIndex( {i:1}, true ); err = db.getLastErrorObj(); assert( err.err , "err.err" ); assert.eq( 11000, err.code ); assert( 1 == db.system.indexes.count( {ns:"test.jstests_index10" } ), "only id index" ); // t.dropIndexes(); ts = t.totalIndexSize(); t.ensureIndex( {i:1}, [ true, true ] ); ts2 = t.totalIndexSize(); assert.eq( ts * 2, ts2, "totalIndexSize fail" ); assert.eq( 3, t.count() ); assert.eq( 1, t.count( {i:1} ) ); t.ensureIndex( {j:1}, [ true, true ] ); assert.eq( 1, t.count() );