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// Cannot implicitly shard accessed collections because of not being able to create unique index
// using hashed shard key pattern.
// @tags: [cannot_create_unique_index_when_using_hashed_shard_key, requires_fastcount]
// unique index test for a case where the object grows
// and must move
// see indexa.js for the test case for an update with dup id check
// when it doesn't move
t = db.indexb;
t.drop();
t.ensureIndex({a: 1}, true);
t.insert({a: 1});
x = {
a: 2
};
t.save(x);
{
assert(t.count() == 2, "count wrong B");
x.a = 1;
x.filler = "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa";
t.save(x); // should fail, not unique.
assert(t.count() == 2, "count wrong");
assert(t.find({a: 1}).count() == 1, "bfail1");
assert(t.find({a: 2}).count() == 1, "bfail2");
}
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