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));