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using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using NUnit.Framework;
using Enyim.Caching.Memcached.Results.StatusCodes;

namespace Enyim.Caching.Tests
{
[TestFixture]
public class MemcachedClientGetTests : MemcachedClientTestsBase
{

[Test]
public void When_Getting_Existing_Item_Value_Is_Not_Null_And_Result_Is_Successful()
{
var key = GetUniqueKey("get");
var value = GetRandomString();
var storeResult = Store(key: key, value: value);
StoreAssertPass(storeResult);

var getResult = _Client.ExecuteGet(key);
GetAssertPass(getResult, value);
}

[Test]
public void When_Getting_Item_For_Invalid_Key_HasValue_Is_False_And_Result_Is_Not_Successful()
{
var key = GetUniqueKey("get");

var getResult = _Client.ExecuteGet(key);
Assert.That(getResult.StatusCode, Is.EqualTo((int)StatusCodeEnums.NotFound), "Invalid status code");
GetAssertFail(getResult);
}

[Test]
public void When_TryGetting_Existing_Item_Value_Is_Not_Null_And_Result_Is_Successful()
{
var key = GetUniqueKey("get");
var value = GetRandomString();
var storeResult = Store(key: key, value: value);
StoreAssertPass(storeResult);

object temp;
var getResult = _Client.ExecuteTryGet(key, out temp);
GetAssertPass(getResult, temp);
}

[Test]
public void When_Generic_Getting_Existing_Item_Value_Is_Not_Null_And_Result_Is_Successful()
{
var key = GetUniqueKey("get");
var value = GetRandomString();
var storeResult = Store(key: key, value: value);
StoreAssertPass(storeResult);

var getResult = _Client.ExecuteGet<string>(key);
Assert.That(getResult.Success, Is.True, "Success was false");
Assert.That(getResult.Cas, Is.GreaterThan(0), "Cas value was 0");
Assert.That(getResult.StatusCode, Is.EqualTo(0).Or.Null, "StatusCode was neither 0 nor null");
Assert.That(getResult.Value, Is.EqualTo(value), "Actual value was not expected value: " + getResult.Value);
}

[Test]
public void When_Getting_Multiple_Keys_Result_Is_Successful()
{
var keys = GetUniqueKeys().Distinct();
foreach (var key in keys)
{
Store(key: key, value: "Value for" + key);
}

var dict = _Client.ExecuteGet(keys);
Assert.That(dict.Keys.Count, Is.EqualTo(keys.Count()), "Keys count did not match results count");

foreach (var key in dict.Keys)
{
Assert.That(dict[key].Success, Is.True, "Get failed for key: " + key);
}
}

[Test]
public void When_Getting_Byte_Result_Is_Successful()
{
var key = GetUniqueKey("Get");
const byte expectedValue = 1;
Store(key: key, value: expectedValue);
var getResult = _Client.ExecuteGet(key);
GetAssertPass(getResult, expectedValue);
}

[Test]
public void When_Getting_SByte_Result_Is_Successful()
{
var key = GetUniqueKey("Get");
const sbyte expectedValue = 1;
Store(key: key, value: expectedValue);
var getResult = _Client.ExecuteGet(key);
GetAssertPass(getResult, expectedValue);
}
}
}

#region [ License information ]
/* ************************************************************
*
* @author Couchbase <info@couchbase.com>
* @copyright 2012 Couchbase, Inc.
* @copyright 2012 Attila Kiskó, enyim.com
*
* 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.
*
* ************************************************************/
#endregion
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