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mongodb/jstests/cursora.js
2011-01-01 17:28:39 -05:00

48 lines
1.3 KiB
JavaScript

t = db.cursora
function run( n , atomic ){
if( !isNumber(n) ) {
print("n:");
printjson(n);
assert(isNumber(n), "cursora.js isNumber");
}
t.drop()
for ( i=0; i<n; i++ )
t.insert( { _id : i } )
db.getLastError()
print("cursora.js startParallelShell n:"+n+" atomic:"+atomic)
join = startParallelShell( "sleep(50); db.cursora.remove( {" + ( atomic ? "$atomic:true" : "" ) + "} ); db.getLastError();" );
var start = null;
var ex = null;
var num = null;
var end = null;
try {
start = new Date()
ex = t.find(function () { num = 2; for (var x = 0; x < 1000; x++) num += 2; return num > 0; }).sort({ _id: -1 }).explain()
num = ex.n
end = new Date()
}
catch (e) {
print("cursora.js FAIL " + e);
join();
throw e;
}
join()
//print( "cursora.js num: " + num + " time:" + ( end.getTime() - start.getTime() ) )
assert.eq( 0 , t.count() , "after remove: " + tojson( ex ) )
// assert.lt( 0 , ex.nYields , "not enough yields : " + tojson( ex ) ); // TODO make this more reliable so cen re-enable assert
if ( n == num )
print( "cursora.js warning: shouldn't have counted all n: " + n + " num: " + num );
}
run( 1500 )
run( 5000 )
run( 1500 , true )
run( 5000 , true )
print("cursora.js SUCCESS")