// Tests that executing splitChunk directly against a shard, with an invalid split point will not
// corrupt the chunks metadata
(function() {
'use strict';

var st = new ShardingTest({shards: 1});

var testDB = st.s.getDB('TestSplitDB');
assert.commandWorked(testDB.adminCommand({enableSharding: 'TestSplitDB'}));
st.ensurePrimaryShard('TestSplitDB', st.shard0.shardName);

assert.commandWorked(testDB.adminCommand({shardCollection: 'TestSplitDB.Coll', key: {x: 1}}));
assert.commandWorked(testDB.adminCommand({split: 'TestSplitDB.Coll', middle: {x: 0}}));

var chunksBefore = st.s.getDB('config').chunks.find().toArray();

// Try to do a split with invalid parameters through mongod
var callSplit = function(db, minKey, maxKey, splitPoints) {
    var res = assert.commandWorked(st.s.adminCommand({getShardVersion: 'TestSplitDB.Coll'}));
    return db.runCommand({
        splitChunk: 'TestSplitDB.Coll',
        from: st.shard0.shardName,
        min: minKey,
        max: maxKey,
        keyPattern: {x: 1},
        splitKeys: splitPoints,
        epoch: res.versionEpoch,
    });
};

assert.commandFailedWithCode(
    callSplit(st.rs0.getPrimary().getDB('admin'), {x: MinKey}, {x: 0}, [{x: 2}]),
    ErrorCodes.InvalidOptions);

var chunksAfter = st.s.getDB('config').chunks.find().toArray();
assert.eq(chunksBefore,
          chunksAfter,
          'Split chunks failed, but the chunks were updated in the config database');

st.stop();
})();