jstests/cursor2.js


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/**
 *  test to see if the count returned from the cursor is the number of objects that would be returned
 *
 *  BUG 884
 */
function testCursorCountVsArrLen(dbConn) {

    var coll = dbConn.ed_db_cursor2_ccvsal;

    coll.drop();

    coll.save({ a: 1, b : 1});
    coll.save({ a: 2, b : 1});
    coll.save({ a: 3});

    var fromCount = coll.find({}, {b:1}).count();
    var fromArrLen = coll.find({}, {b:1}).toArray().length;

    assert(fromCount == fromArrLen, "count from cursor [" + fromCount + "] !=  count from arrlen [" + fromArrLen + "]");
}


testCursorCountVsArrLen(db);