Fixed CSHARP-353. DropDatabase now clears related entries in the Inde…

…xCache.

Driver/Core/MongoServer.cs

@@ -645,7 +645,9 @@ string databaseName
         ) {
             MongoDatabase database = GetDatabase(databaseName);
             var command = new CommandDocument("dropDatabase", 1);
-            return database.RunCommand(command);
+            var result = database.RunCommand(command);
+            indexCache.Reset(databaseName);
+            return result;
         }
 
         /// <summary>

DriverOnlineTests/DriverOnlineTests.csproj

@@ -113,6 +113,7 @@
     <Compile Include="Jira\CSharp307Tests.cs" />
     <Compile Include="Jira\CSharp325Tests.cs" />
     <Compile Include="Jira\CSharp330Tests.cs" />
+    <Compile Include="Jira\CSharp353Tests.cs" />
     <Compile Include="Jira\CSharp77Tests.cs" />
     <Compile Include="Jira\CSharp92Tests.cs" />
     <Compile Include="Jira\CSharp93Tests.cs" />

DriverOnlineTests/Jira/CSharp353Tests.cs

@@ -0,0 +1,53 @@
+/* Copyright 2010-2011 10gen Inc.
+*
+* Licensed under the Apache License, Version 2.0 (the "License");
+* you may not use this file except in compliance with the License.
+* You may obtain a copy of the License at
+*
+* http://www.apache.org/licenses/LICENSE-2.0
+*
+* Unless required by applicable law or agreed to in writing, software
+* distributed under the License is distributed on an "AS IS" BASIS,
+* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+* See the License for the specific language governing permissions and
+* limitations under the License.
+*/
+
+using System;
+using System.Collections;
+using System.Collections.Generic;
+using System.IO;
+using System.Linq;
+using System.Runtime.Serialization;
+using System.Text;
+using NUnit.Framework;
+
+using MongoDB.Bson;
+using MongoDB.Bson.Serialization.Attributes;
+using MongoDB.Driver;
+using MongoDB.Driver.Builders;
+
+namespace MongoDB.DriverOnlineTests.Jira.CSharp353 {
+    [TestFixture]
+    public class CSharp353Tests {
+        private MongoServer server;
+        private MongoDatabase database;
+        private MongoCollection<BsonDocument> collection;
+
+        [TestFixtureSetUp]
+        public void TestFixtureSetup() {
+            server = MongoServer.Create("mongodb://localhost/?safe=true;slaveOk=true");
+            database = server["onlinetests"];
+            collection = database["test"];
+        }
+
+        [Test]
+        public void TestDropDatabaseClearsIndexCache() {
+            server.IndexCache.Reset();
+            collection.EnsureIndex("x");
+            Assert.IsTrue(server.IndexCache.Contains(collection, "x_1"));
+            database.Drop();
+            Assert.IsFalse(server.IndexCache.Contains(collection, "x_1"));
+        }
+    }
+}