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var s3832 = db.c;
s3832.drop();
s3832.save({_id: 1, a: "foo", b: "bar"});
s3832.save({_id: 2, a: "feh", b: "baz"});
s3832.save({_id: 3, a: "fee", b: "fum"});
var a1 = s3832.aggregate({$match: {b: "baz"}});
var a1result = [{"_id": 2, "a": "feh", "b": "baz"}];
assert.eq(a1.toArray(), a1result, 's3832.a1 failed');
var a2 = s3832.aggregate({$sort: {a: 1}});
var a2result = [
{"_id": 3, "a": "fee", "b": "fum"},
{"_id": 2, "a": "feh", "b": "baz"},
{"_id": 1, "a": "foo", "b": "bar"}
];
assert.eq(a2.toArray(), a2result, 's3832.a2 failed');
var a3 = s3832.aggregate({$match: {b: "baz"}}, {$sort: {a: 1}});
assert.eq(a3.toArray(), a1result, 's3832.a3 failed');
db.s3832.ensureIndex({b: 1}, {name: "s3832_b"});
var a4 = s3832.aggregate({$match: {b: "baz"}});
assert.eq(a4.toArray(), a1result, 's3832.a4 failed');
var a5 = s3832.aggregate({$sort: {a: 1}});
assert.eq(a5.toArray(), a2result, 's3832.a5 failed');
var a6 = s3832.aggregate({$match: {b: "baz"}}, {$sort: {a: 1}});
assert.eq(a6.toArray(), a1result, 's3832.a6 failed');
var dropb = db.s3832.dropIndex("s3832_b");
db.s3832.ensureIndex({a: 1}, {name: "s3832_a"});
var a7 = s3832.aggregate({$match: {b: "baz"}});
assert.eq(a7.toArray(), a1result, 's3832.a7 failed');
var a8 = s3832.aggregate({$sort: {a: 1}});
assert.eq(a8.toArray(), a2result, 's3832.a8 failed');
var a9 = s3832.aggregate({$match: {b: "baz"}}, {$sort: {a: 1}});
assert.eq(a9.toArray(), a1result, 's3832.a9 failed');
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