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Add PoC C# test suite
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‎.gitignore

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# Mongosh temporary files
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temp
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# C# Debug files
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Debug/
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# NuGet generated artifact files
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obj/
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# User-specific settings files from JetBrains Rider and ReSharper
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*.DotSettings.user

‎usage-examples/csharp/driver/Examples/Aggregation/GroupTotal.cs

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namespace Examples.Aggregation;
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using MongoDB.Driver;
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using MongoDB.Bson;
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public class GroupTotal
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{
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private IMongoDatabase _aggDB;
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private IMongoCollection<Order> _orders;
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public void SeedData()
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{
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var uri = "mongodb://localhost:27017";
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var client = new MongoClient(uri);
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_aggDB = client.GetDatabase("agg_tutorials_db");
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_orders = _aggDB.GetCollection<Order>("orders");
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_orders.DeleteMany(Builders<Order>.Filter.Empty);
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_orders.InsertMany(new List<Order>
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{
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new Order
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{
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CustomerId = "elise_smith@myemail.com",
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OrderDate = DateTime.Parse("2020-05-30T08:35:52Z"),
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Value = 231
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},
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new Order
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{
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CustomerId = "elise_smith@myemail.com",
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OrderDate = DateTime.Parse("2020-01-13T09:32:07Z"),
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Value = 99
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},
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new Order
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{
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CustomerId = "oranieri@warmmail.com",
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OrderDate = DateTime.Parse("2020-01-01T08:25:37Z"),
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Value = 63
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},
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new Order
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{
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CustomerId = "tj@wheresmyemail.com",
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OrderDate = DateTime.Parse("2019-05-28T19:13:32Z"),
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Value = 2
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},
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new Order
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{
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CustomerId = "tj@wheresmyemail.com",
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OrderDate = DateTime.Parse("2020-11-23T22:56:53Z"),
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Value = 187
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},
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new Order
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{
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CustomerId = "tj@wheresmyemail.com",
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OrderDate = DateTime.Parse("2020-08-18T23:04:48Z"),
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Value = 4
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},
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new Order
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{
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CustomerId = "elise_smith@myemail.com",
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OrderDate = DateTime.Parse("2020-12-26T08:55:46Z"),
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Value = 4
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},
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new Order
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{
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CustomerId = "tj@wheresmyemail.com",
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OrderDate = DateTime.Parse("2021-02-28T07:49:32Z"),
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Value = 1024
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},
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new Order
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{
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CustomerId = "elise_smith@myemail.com",
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OrderDate = DateTime.Parse("2020-10-03T13:49:44Z"),
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Value = 102
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}
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});
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}
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public List<BsonDocument> PerformAggregation()
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{
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var uri = "mongodb://localhost:27017";
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var client = new MongoClient(uri);
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_aggDB = client.GetDatabase("agg_tutorials_db");
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_orders = _aggDB.GetCollection<Order>("orders");
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var results = _orders.Aggregate()
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.Match(o => o.OrderDate >= DateTime.Parse("2020-01-01T00:00:00Z") && o.OrderDate < DateTime.Parse("2021-01-01T00:00:00Z"))
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.SortBy(o => o.OrderDate)
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.Group(
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o => o.CustomerId,
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g => new
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{
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CustomerId = g.Key,
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FirstPurchaseDate = g.First().OrderDate,
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TotalValue = g.Sum(i => i.Value),
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TotalOrders = g.Count(),
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Orders = g.Select(i => new { i.OrderDate, i.Value }).ToList()
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}
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)
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.SortBy(c => c.FirstPurchaseDate)
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.As<BsonDocument>();
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foreach (var result in results.ToList())
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{
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Console.WriteLine(result);
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}
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return results.ToList();
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}
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}

‎usage-examples/csharp/driver/Examples/Aggregation/GroupTotalOutput.txt

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{ "CustomerId" : "oranieri@warmmail.com", "FirstPurchaseDate" : { "$date" : "2020-01-01T08:25:37Z" }, "TotalValue" : 63, "TotalOrders" : 1, "Orders" : [{ "OrderDate" : { "$date" : "2020-01-01T08:25:37Z" }, "Value" : 63 }] }
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{ "CustomerId" : "elise_smith@myemail.com", "FirstPurchaseDate" : { "$date" : "2020-01-13T09:32:07Z" }, "TotalValue" : 436, "TotalOrders" : 4, "Orders" : [{ "OrderDate" : { "$date" : "2020-01-13T09:32:07Z" }, "Value" : 99 }, { "OrderDate" : { "$date" : "2020-05-30T08:35:52Z" }, "Value" : 231 }, { "OrderDate" : { "$date" : "2020-10-03T13:49:44Z" }, "Value" : 102 }, { "OrderDate" : { "$date" : "2020-12-26T08:55:46Z" }, "Value" : 4 }] }
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{ "CustomerId" : "tj@wheresmyemail.com", "FirstPurchaseDate" : { "$date" : "2020-08-18T23:04:48Z" }, "TotalValue" : 191, "TotalOrders" : 2, "Orders" : [{ "OrderDate" : { "$date" : "2020-08-18T23:04:48Z" }, "Value" : 4 }, { "OrderDate" : { "$date" : "2020-11-23T22:56:53Z" }, "Value" : 187 }] }

‎usage-examples/csharp/driver/Examples/Aggregation/Order.cs

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using MongoDB.Bson;
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using MongoDB.Bson.Serialization.Attributes;
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namespace Examples.Aggregation;
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public class Order
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{
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[BsonId]
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public ObjectId Id { get; set; }
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public string CustomerId { get; set; }
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public DateTime OrderDate { get; set; }
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public int Value { get; set; }
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}

‎usage-examples/csharp/driver/Examples/Examples.csproj

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<Project Sdk="Microsoft.NET.Sdk">
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<PropertyGroup>
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<OutputType>Exe</OutputType>
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<TargetFramework>net9.0</TargetFramework>
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<ImplicitUsings>enable</ImplicitUsings>
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<Nullable>enable</Nullable>
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</PropertyGroup>
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<ItemGroup>
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<PackageReference Include="MongoDB.Driver" Version="3.4.0" />
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</ItemGroup>
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</Project>

‎usage-examples/csharp/driver/Examples/Program.cs

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Console.WriteLine("This project is not intended to be run as a console application. Run the tests using the 'Tests' solution.");

‎usage-examples/csharp/driver/Tests/GroupTotalTest.cs

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using Examples.Aggregation;
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namespace Tests;
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public class GroupTotalTest
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{
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[SetUp]
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public void Setup()
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{
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var obj = new GroupTotal();
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obj.SeedData();
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}
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[Test]
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public void Test1()
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{
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var obj = new GroupTotal();
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var results = obj.PerformAggregation();
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string outputfilePath = "/Users/dachary.carey/workspace/docs-code-examples/usage-examples/csharp/driver/Examples/Aggregation/GroupTotalOutput.txt";
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var fileData = TestUtils.ReadBsonDocumentsFromFile(outputfilePath);
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Assert.That(results.Count, Is.EqualTo(fileData.Length), "Result count does not match output example length.");
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for (int i = 0; i < fileData.Length; i++)
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{
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Assert.That(fileData[i], Is.EqualTo(results[i]), $"Mismatch at index {i}: expected {fileData[i]}, got {results[i]}.");
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}
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}
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}

‎usage-examples/csharp/driver/Tests/TestUtils.cs

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using MongoDB.Bson;
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public static class TestUtils
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{
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public static BsonDocument[] ReadBsonDocumentsFromFile(string filePath)
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{
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var bsonDocuments = new List<BsonDocument>();
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foreach (var line in File.ReadLines(filePath))
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{
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if (!string.IsNullOrWhiteSpace(line))
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{
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var bsonDoc = BsonDocument.Parse(line);
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bsonDocuments.Add(bsonDoc);
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}
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}
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return bsonDocuments.ToArray();
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}
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}

‎usage-examples/csharp/driver/Tests/Tests.csproj

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<Project Sdk="Microsoft.NET.Sdk">
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<PropertyGroup>
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<TargetFramework>net9.0</TargetFramework>
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<LangVersion>latest</LangVersion>
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<ImplicitUsings>enable</ImplicitUsings>
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<Nullable>enable</Nullable>
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<IsPackable>false</IsPackable>
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</PropertyGroup>
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<ItemGroup>
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<PackageReference Include="coverlet.collector" Version="6.0.2"/>
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<PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.11.1"/>
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<PackageReference Include="NUnit" Version="4.2.2"/>
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<PackageReference Include="NUnit.Analyzers" Version="4.3.0"/>
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<PackageReference Include="NUnit3TestAdapter" Version="4.6.0"/>
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</ItemGroup>
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<ItemGroup>
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<Using Include="NUnit.Framework"/>
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</ItemGroup>
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<ItemGroup>
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<ProjectReference Include="..\Examples\Examples.csproj" />
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</ItemGroup>
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</Project>

‎usage-examples/csharp/driver/driver.sln

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Microsoft Visual Studio Solution File, Format Version 12.00
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Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Examples", "Examples\Examples.csproj", "{D1D4ACA8-520F-4B09-983D-132861CC8AEB}"
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EndProject
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Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Tests", "Tests\Tests.csproj", "{E1F6E308-2D95-4FBB-8F39-214C70889A3D}"
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EndProject
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Global
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GlobalSection(SolutionConfigurationPlatforms) = preSolution
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Debug|Any CPU = Debug|Any CPU
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Release|Any CPU = Release|Any CPU
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EndGlobalSection
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GlobalSection(ProjectConfigurationPlatforms) = postSolution
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{D1D4ACA8-520F-4B09-983D-132861CC8AEB}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
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{D1D4ACA8-520F-4B09-983D-132861CC8AEB}.Debug|Any CPU.Build.0 = Debug|Any CPU
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{D1D4ACA8-520F-4B09-983D-132861CC8AEB}.Release|Any CPU.ActiveCfg = Release|Any CPU
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{D1D4ACA8-520F-4B09-983D-132861CC8AEB}.Release|Any CPU.Build.0 = Release|Any CPU
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{E1F6E308-2D95-4FBB-8F39-214C70889A3D}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
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{E1F6E308-2D95-4FBB-8F39-214C70889A3D}.Debug|Any CPU.Build.0 = Debug|Any CPU
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{E1F6E308-2D95-4FBB-8F39-214C70889A3D}.Release|Any CPU.ActiveCfg = Release|Any CPU
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{E1F6E308-2D95-4FBB-8F39-214C70889A3D}.Release|Any CPU.Build.0 = Release|Any CPU
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EndGlobalSection
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EndGlobal

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