jstests/core/loglong.js


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// test for SERVER-5013
// make sure very long long lines get truncated

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

t.insert( { x : 1 } );

n = 0;
query = { x : [] };
while ( Object.bsonsize( query ) < 30000 ) {
    query.x.push( n++ );
}

before = db.adminCommand( { setParameter : 1 , logLevel : 1 } );

t.findOne( query );

x = db.adminCommand( { setParameter : 1 , logLevel : before.was } );
assert.eq( 1 , x.was , tojson( x ) );

log = db.adminCommand( { getLog : "global" } ).log;

found = false;
for ( i=log.length - 1; i>= 0; i-- ) {
    if ( log[i].indexOf( "warning: log line attempted (16kB)" ) >= 0 ) {
        found = true;
        break;
    }
}

assert(found, tojson(log));