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(function() {
"use strict";
const coll = db.sort4;
coll.drop();
function nice(sort, correct, extra) {
const c = coll.find().sort(sort);
let s = "";
c.forEach(function(z) {
if (s.length) {
s += ",";
}
s += z.name;
if (z.prename) {
s += z.prename;
}
});
if (correct) {
assert.eq(correct, s, tojson(sort) + "(" + extra + ")");
}
return s;
}
assert.commandWorked(coll.insert({name: 'A', prename: 'B'}));
assert.commandWorked(coll.insert({name: 'A', prename: 'C'}));
assert.commandWorked(coll.insert({name: 'B', prename: 'B'}));
assert.commandWorked(coll.insert({name: 'B', prename: 'D'}));
nice({name: 1, prename: 1}, "AB,AC,BB,BD", "s3");
nice({prename: 1, name: 1}, "AB,BB,AC,BD", "s3");
assert.commandWorked(coll.insert({name: 'A'}));
nice({name: 1, prename: 1}, "A,AB,AC,BB,BD", "e1");
assert.commandWorked(coll.insert({name: 'C'}));
nice({name: 1, prename: 1}, "A,AB,AC,BB,BD,C", "e2"); // SERVER-282
assert.commandWorked(coll.ensureIndex({name: 1, prename: 1}));
nice({name: 1, prename: 1}, "A,AB,AC,BB,BD,C", "e2ia"); // SERVER-282
assert.commandWorked(coll.dropIndexes());
assert.commandWorked(coll.ensureIndex({name: 1}));
nice({name: 1, prename: 1}, "A,AB,AC,BB,BD,C", "e2ib"); // SERVER-282
}());
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