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// Tests that an empty shard can't be the cause of a chunk reset
var st = new ShardingTest({shards: 2, mongos: 2});
var coll = st.s.getCollection(jsTestName() + ".coll");
for (var i = -10; i < 10; i++)
coll.insert({_id: i});
st.shardColl(coll, {_id: 1}, {_id: 0}, {_id: 0}, null, /* waitForDelete */ true);
jsTestLog("Sharded setup complete");
st.printShardingStatus();
jsTestLog("Setting initial versions for each mongos...");
coll.find().itcount();
var collB = st.s1.getCollection("" + coll);
collB.find().itcount();
jsTestLog("Migrating via first mongos...");
var fullShard = st.getShard(coll, {_id: 1});
var emptyShard = st.getShard(coll, {_id: -1});
var admin = st.s.getDB("admin");
assert.commandWorked(st.s0.adminCommand(
{moveChunk: "" + coll, find: {_id: -1}, to: fullShard.shardName, _waitForDelete: true}));
jsTestLog("Resetting shard version via first mongos...");
coll.find().itcount();
jsTestLog("Making sure we don't insert into the wrong shard...");
collB.insert({_id: -11});
var emptyColl = emptyShard.getCollection("" + coll);
print(emptyColl);
print(emptyShard);
print(emptyShard.shardName);
st.printShardingStatus();
assert.eq(0, emptyColl.find().itcount());
jsTestLog("DONE!");
st.stop();
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