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/**
* Basic test from the drop collection command on a sharded cluster that verifies collections are
* cleanuped up properly.
*/
(function() {
"use strict";
var st = new ShardingTest({shards: 2});
var testDB = st.s.getDB('test');
// Test dropping an unsharded collection.
assert.writeOK(testDB.bar.insert({x: 1}));
assert.neq(null, testDB.bar.findOne({x: 1}));
assert.commandWorked(testDB.runCommand({drop: 'bar'}));
assert.eq(null, testDB.bar.findOne({x: 1}));
// Test dropping a sharded collection.
assert.commandWorked(st.s.adminCommand({enableSharding: 'test'}));
st.ensurePrimaryShard('test', 'shard0000');
st.s.adminCommand({shardCollection: 'test.user', key: {_id: 1}});
st.s.adminCommand({split: 'test.user', middle: {_id: 0}});
assert.commandWorked(
st.s.adminCommand({moveChunk: 'test.user', find: {_id: 0}, to: 'shard0001'}));
assert.writeOK(testDB.user.insert({_id: 10}));
assert.writeOK(testDB.user.insert({_id: -10}));
assert.neq(null, st.d0.getDB('test').user.findOne({_id: -10}));
assert.neq(null, st.d1.getDB('test').user.findOne({_id: 10}));
var configDB = st.s.getDB('config');
var collDoc = configDB.collections.findOne({_id: 'test.user'});
assert(!collDoc.dropped);
assert.eq(2, configDB.chunks.count({ns: 'test.user'}));
assert.commandWorked(testDB.runCommand({drop: 'user'}));
assert.eq(null, st.d0.getDB('test').user.findOne());
assert.eq(null, st.d1.getDB('test').user.findOne());
collDoc = configDB.collections.findOne({_id: 'test.user'});
assert(collDoc.dropped);
assert.eq(0, configDB.chunks.count({ns: 'test.user'}));
st.stop();
})();
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