From d4e16edc20cf094ab2d70f579441d3cc1e063070 Mon Sep 17 00:00:00 2001
From: Anastasia <akinekimura@gmail.com>
Date: Tue, 5 Dec 2023 23:52:32 +0500
Subject: [PATCH 1/4] =?UTF-8?q?=D0=9D=D0=B0=D0=BF=D0=B8=D1=81=D0=B0=D0=BB?=
 =?UTF-8?q?=D0=B0=20=D0=BA=D0=BB=D0=B0=D1=81=D1=81=D1=8B=20TagsCloudVisual?=
 =?UTF-8?q?ization=20=D0=B8=20PointsOnSpiral?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 cs/TagsCloudVisualization/PointsOnSpiral.cs   | 28 ++++++++++++++++++
 cs/TagsCloudVisualization/Program.cs          | 29 +++++++++++++++++++
 .../TagsCloudVisualization.csproj             | 10 +++++++
 cs/global.json                                |  7 +++++
 cs/tdd.sln                                    |  6 ++++
 5 files changed, 80 insertions(+)
 create mode 100644 cs/TagsCloudVisualization/PointsOnSpiral.cs
 create mode 100644 cs/TagsCloudVisualization/Program.cs
 create mode 100644 cs/TagsCloudVisualization/TagsCloudVisualization.csproj
 create mode 100644 cs/global.json

diff --git a/cs/TagsCloudVisualization/PointsOnSpiral.cs b/cs/TagsCloudVisualization/PointsOnSpiral.cs
new file mode 100644
index 000000000..0cd40a9a1
--- /dev/null
+++ b/cs/TagsCloudVisualization/PointsOnSpiral.cs
@@ -0,0 +1,28 @@
+using System.Drawing;
+
+namespace TagsCloudVisualization;
+
+public class PointsOnSpiral
+{
+    private Point center;
+
+    public PointsOnSpiral(Point center)
+    {
+        this.center = center;
+    }
+
+    public IEnumerable<Point> GetPointsOnSpiral()
+    {
+        var radius = 0;
+        while (true)
+        {
+            for (var i = 0; i < 360; i++)
+            {
+                yield return new Point((int)(Math.Cos(2 * Math.PI * i / 360) * radius) + center.X,
+                    (int)(Math.Sin(2 * Math.PI * i / 360) * radius) + center.Y);
+            }
+
+            radius++;
+        }
+    }
+}
\ No newline at end of file
diff --git a/cs/TagsCloudVisualization/Program.cs b/cs/TagsCloudVisualization/Program.cs
new file mode 100644
index 000000000..b68515782
--- /dev/null
+++ b/cs/TagsCloudVisualization/Program.cs
@@ -0,0 +1,29 @@
+using System.Drawing;
+using TagsCloudVisualization;
+
+class CircularCloudLayouter
+{
+    private Point cloudCenter;
+    private List<Rectangle> rectangels = new List<Rectangle>();
+    private PointsOnSpiral points;
+
+    public CircularCloudLayouter(Point cloudCenter)
+    {
+        this.cloudCenter = cloudCenter;
+        points = new PointsOnSpiral(cloudCenter);
+    }
+
+    public Rectangle PutNextRectangle(Size rectangleSize)
+    {
+        foreach (var point in points.GetPointsOnSpiral())
+        {
+            var rectangle = new Rectangle(point, rectangleSize);
+            if (rectangels.Any(x => x.IntersectsWith(rectangle)))
+                continue;
+            rectangels.Add(rectangle);
+            return rectangle;
+        }
+
+        return new Rectangle(cloudCenter, rectangleSize);
+    }
+}
\ No newline at end of file
diff --git a/cs/TagsCloudVisualization/TagsCloudVisualization.csproj b/cs/TagsCloudVisualization/TagsCloudVisualization.csproj
new file mode 100644
index 000000000..9c9ef272f
--- /dev/null
+++ b/cs/TagsCloudVisualization/TagsCloudVisualization.csproj
@@ -0,0 +1,10 @@
+<Project Sdk="Microsoft.NET.Sdk">
+
+    <PropertyGroup>
+        <OutputType>Exe</OutputType>
+        <TargetFramework>net7.0</TargetFramework>
+        <ImplicitUsings>enable</ImplicitUsings>
+        <Nullable>enable</Nullable>
+    </PropertyGroup>
+
+</Project>
diff --git a/cs/global.json b/cs/global.json
new file mode 100644
index 000000000..dad2db5ef
--- /dev/null
+++ b/cs/global.json
@@ -0,0 +1,7 @@
+{
+  "sdk": {
+    "version": "8.0.0",
+    "rollForward": "latestMajor",
+    "allowPrerelease": true
+  }
+}
\ No newline at end of file
diff --git a/cs/tdd.sln b/cs/tdd.sln
index c8f523d63..a5ce745e8 100644
--- a/cs/tdd.sln
+++ b/cs/tdd.sln
@@ -7,6 +7,8 @@ Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "BowlingGame", "BowlingGame\
 EndProject
 Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Samples", "Samples\Samples.csproj", "{B5108E20-2ACF-4ED9-84FE-2A718050FC94}"
 EndProject
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "TagsCloudVisualization", "TagsCloudVisualization\TagsCloudVisualization.csproj", "{21297E12-D769-413A-BDBE-7A1D2022B650}"
+EndProject
 Global
 	GlobalSection(SolutionConfigurationPlatforms) = preSolution
 		Debug|Any CPU = Debug|Any CPU
@@ -21,6 +23,10 @@ Global
 		{B5108E20-2ACF-4ED9-84FE-2A718050FC94}.Debug|Any CPU.Build.0 = Debug|Any CPU
 		{B5108E20-2ACF-4ED9-84FE-2A718050FC94}.Release|Any CPU.ActiveCfg = Release|Any CPU
 		{B5108E20-2ACF-4ED9-84FE-2A718050FC94}.Release|Any CPU.Build.0 = Release|Any CPU
+		{21297E12-D769-413A-BDBE-7A1D2022B650}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{21297E12-D769-413A-BDBE-7A1D2022B650}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{21297E12-D769-413A-BDBE-7A1D2022B650}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{21297E12-D769-413A-BDBE-7A1D2022B650}.Release|Any CPU.Build.0 = Release|Any CPU
 	EndGlobalSection
 	GlobalSection(SolutionProperties) = preSolution
 		HideSolutionNode = FALSE

From 94943ce09338fccea3d8012eac665c9a7183eb2e Mon Sep 17 00:00:00 2001
From: Anastasia <akinekimura@gmail.com>
Date: Mon, 11 Dec 2023 21:03:03 +0500
Subject: [PATCH 2/4] =?UTF-8?q?=D0=9F=D0=BE=D0=BF=D1=80=D0=B0=D0=B2=D0=B8?=
 =?UTF-8?q?=D0=BB=D0=B0=20=D0=BD=D0=B5=D0=B4=D0=BE=D1=87=D0=B5=D1=82=D1=8B?=
 =?UTF-8?q?,=20=D0=BD=D0=B0=D0=BF=D0=B8=D1=81=D0=B0=D0=BB=D0=B0=20=D0=B8?=
 =?UTF-8?q?=D0=BD=D1=82=D0=B5=D1=80=D1=84=D0=B5=D0=B9=D1=81=D1=8B?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 cs/TagsCloudVisualization/IPointsGenerator.cs |  8 ++++
 .../ITagCloudLayouter.cs                      |  8 ++++
 cs/TagsCloudVisualization/PointsOnSpiral.cs   | 28 --------------
 cs/TagsCloudVisualization/Program.cs          | 27 ++++++++++----
 .../SpiralPointsGenerator.cs                  | 37 +++++++++++++++++++
 .../TagsCloudVisualization.csproj             |  5 +++
 6 files changed, 77 insertions(+), 36 deletions(-)
 create mode 100644 cs/TagsCloudVisualization/IPointsGenerator.cs
 create mode 100644 cs/TagsCloudVisualization/ITagCloudLayouter.cs
 delete mode 100644 cs/TagsCloudVisualization/PointsOnSpiral.cs
 create mode 100644 cs/TagsCloudVisualization/SpiralPointsGenerator.cs

diff --git a/cs/TagsCloudVisualization/IPointsGenerator.cs b/cs/TagsCloudVisualization/IPointsGenerator.cs
new file mode 100644
index 000000000..ade75068f
--- /dev/null
+++ b/cs/TagsCloudVisualization/IPointsGenerator.cs
@@ -0,0 +1,8 @@
+using System.Drawing;
+
+namespace TagsCloudVisualization;
+
+public interface IPointsGenerator
+{
+    IEnumerable<Point> GetPoints();
+}
\ No newline at end of file
diff --git a/cs/TagsCloudVisualization/ITagCloudLayouter.cs b/cs/TagsCloudVisualization/ITagCloudLayouter.cs
new file mode 100644
index 000000000..c20626054
--- /dev/null
+++ b/cs/TagsCloudVisualization/ITagCloudLayouter.cs
@@ -0,0 +1,8 @@
+using System.Drawing;
+
+namespace TagsCloudVisualization;
+
+public interface ITagCloudLayouter
+{
+    Rectangle PutNextRectangle(Size rectangleSize);
+}
\ No newline at end of file
diff --git a/cs/TagsCloudVisualization/PointsOnSpiral.cs b/cs/TagsCloudVisualization/PointsOnSpiral.cs
deleted file mode 100644
index 0cd40a9a1..000000000
--- a/cs/TagsCloudVisualization/PointsOnSpiral.cs
+++ /dev/null
@@ -1,28 +0,0 @@
-using System.Drawing;
-
-namespace TagsCloudVisualization;
-
-public class PointsOnSpiral
-{
-    private Point center;
-
-    public PointsOnSpiral(Point center)
-    {
-        this.center = center;
-    }
-
-    public IEnumerable<Point> GetPointsOnSpiral()
-    {
-        var radius = 0;
-        while (true)
-        {
-            for (var i = 0; i < 360; i++)
-            {
-                yield return new Point((int)(Math.Cos(2 * Math.PI * i / 360) * radius) + center.X,
-                    (int)(Math.Sin(2 * Math.PI * i / 360) * radius) + center.Y);
-            }
-
-            radius++;
-        }
-    }
-}
\ No newline at end of file
diff --git a/cs/TagsCloudVisualization/Program.cs b/cs/TagsCloudVisualization/Program.cs
index b68515782..c668e6956 100644
--- a/cs/TagsCloudVisualization/Program.cs
+++ b/cs/TagsCloudVisualization/Program.cs
@@ -1,29 +1,40 @@
 using System.Drawing;
+using System.Collections.Generic;
 using TagsCloudVisualization;
 
-class CircularCloudLayouter
+public class CircularCloudLayouter : ITagCloudLayouter
 {
-    private Point cloudCenter;
-    private List<Rectangle> rectangels = new List<Rectangle>();
-    private PointsOnSpiral points;
+    private readonly Point cloudCenter;
+    private readonly IList<Rectangle> _rectangels = new List<Rectangle>();
+    private readonly SpiralPointsGenerator spiralPointsGenerator;
+    
 
     public CircularCloudLayouter(Point cloudCenter)
     {
         this.cloudCenter = cloudCenter;
-        points = new PointsOnSpiral(cloudCenter);
+        spiralPointsGenerator = new SpiralPointsGenerator(cloudCenter);
     }
 
     public Rectangle PutNextRectangle(Size rectangleSize)
     {
-        foreach (var point in points.GetPointsOnSpiral())
+        foreach (var point in spiralPointsGenerator.GetPoints())
         {
             var rectangle = new Rectangle(point, rectangleSize);
-            if (rectangels.Any(x => x.IntersectsWith(rectangle)))
+            if (_rectangels.Any(x => x.IntersectsWith(rectangle)))
                 continue;
-            rectangels.Add(rectangle);
+            
+            _rectangels.Add(rectangle);
             return rectangle;
         }
 
         return new Rectangle(cloudCenter, rectangleSize);
     }
+    
+    static void Main(string[] args)
+    {
+        var myCenter = new Point(0, 0);
+        var test = new CircularCloudLayouter(myCenter);
+        var ans = test.spiralPointsGenerator.GetPoints().Take(100000).ToList();
+        //Console.WriteLine(test.spiralPointsGenerator.GetPoints().Take(100).ToList());
+    }
 }
\ No newline at end of file
diff --git a/cs/TagsCloudVisualization/SpiralPointsGenerator.cs b/cs/TagsCloudVisualization/SpiralPointsGenerator.cs
new file mode 100644
index 000000000..ecf0997ab
--- /dev/null
+++ b/cs/TagsCloudVisualization/SpiralPointsGenerator.cs
@@ -0,0 +1,37 @@
+using System.Drawing;
+
+namespace TagsCloudVisualization;
+
+public sealed class SpiralPointsGenerator : IPointsGenerator
+{
+    private readonly Point center;
+    private readonly double radiusStep;
+
+    public SpiralPointsGenerator(Point center, double radiusStep = 1)
+    {
+        this.center = center;
+        this.radiusStep = radiusStep;
+    }
+
+    ///<exception cref="System.OverflowExeption">
+    /// Long point generation operation
+    /// </exception>
+    public IEnumerable<Point> GetPoints()
+    {
+        double radius = 0;
+        var term = radiusStep / 360;
+        while (true)
+        {
+            for (var pointNumber = 0; pointNumber < 360; pointNumber++)
+            {
+                var pointAngle = 2 * Math.PI * pointNumber / 360;
+                // yield return new Point((int)(Math.Cos(pointAngle) * radius) + center.X,
+                //     (int)(Math.Sin(pointAngle) * radius) + center.Y);
+                var currentPoint = new Point(center.X, center.Y);
+                currentPoint.Offset((int)(Math.Cos(pointAngle) * radius), (int)(Math.Sin(pointAngle) * radius));
+                yield return currentPoint;
+                radius += term;
+            }
+        }
+    }
+}
\ No newline at end of file
diff --git a/cs/TagsCloudVisualization/TagsCloudVisualization.csproj b/cs/TagsCloudVisualization/TagsCloudVisualization.csproj
index 9c9ef272f..f1062eaac 100644
--- a/cs/TagsCloudVisualization/TagsCloudVisualization.csproj
+++ b/cs/TagsCloudVisualization/TagsCloudVisualization.csproj
@@ -7,4 +7,9 @@
         <Nullable>enable</Nullable>
     </PropertyGroup>
 
+    <ItemGroup>
+      <PackageReference Include="NUnit" Version="4.0.1" />
+      <PackageReference Include="System.Drawing.Common" Version="8.0.0" />
+    </ItemGroup>
+
 </Project>

From 197b13d17c6534b86efd94bd2dd2d9abc686f28d Mon Sep 17 00:00:00 2001
From: Anastasia <akinekimura@gmail.com>
Date: Mon, 11 Dec 2023 21:27:20 +0500
Subject: [PATCH 3/4] =?UTF-8?q?=D0=BF=D0=BE=D0=BF=D1=80=D0=B0=D0=B2=D0=B8?=
 =?UTF-8?q?=D0=BB=D0=B0=20=D0=BD=D0=B5=D0=B4=D0=BE=D1=87=D0=B5=D1=82=D1=8B?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 cs/TagsCloudVisualization/Program.cs               | 4 ----
 cs/TagsCloudVisualization/SpiralPointsGenerator.cs | 2 --
 2 files changed, 6 deletions(-)

diff --git a/cs/TagsCloudVisualization/Program.cs b/cs/TagsCloudVisualization/Program.cs
index c668e6956..6ee532d10 100644
--- a/cs/TagsCloudVisualization/Program.cs
+++ b/cs/TagsCloudVisualization/Program.cs
@@ -32,9 +32,5 @@ public Rectangle PutNextRectangle(Size rectangleSize)
     
     static void Main(string[] args)
     {
-        var myCenter = new Point(0, 0);
-        var test = new CircularCloudLayouter(myCenter);
-        var ans = test.spiralPointsGenerator.GetPoints().Take(100000).ToList();
-        //Console.WriteLine(test.spiralPointsGenerator.GetPoints().Take(100).ToList());
     }
 }
\ No newline at end of file
diff --git a/cs/TagsCloudVisualization/SpiralPointsGenerator.cs b/cs/TagsCloudVisualization/SpiralPointsGenerator.cs
index ecf0997ab..bf294ead2 100644
--- a/cs/TagsCloudVisualization/SpiralPointsGenerator.cs
+++ b/cs/TagsCloudVisualization/SpiralPointsGenerator.cs
@@ -25,8 +25,6 @@ public IEnumerable<Point> GetPoints()
             for (var pointNumber = 0; pointNumber < 360; pointNumber++)
             {
                 var pointAngle = 2 * Math.PI * pointNumber / 360;
-                // yield return new Point((int)(Math.Cos(pointAngle) * radius) + center.X,
-                //     (int)(Math.Sin(pointAngle) * radius) + center.Y);
                 var currentPoint = new Point(center.X, center.Y);
                 currentPoint.Offset((int)(Math.Cos(pointAngle) * radius), (int)(Math.Sin(pointAngle) * radius));
                 yield return currentPoint;

From 28eb625a2d035564dccac8a373e5abeb943cd73d Mon Sep 17 00:00:00 2001
From: Anastasia <akinekimura@gmail.com>
Date: Tue, 12 Dec 2023 03:20:53 +0500
Subject: [PATCH 4/4] =?UTF-8?q?=D0=A1=D0=B4=D0=B5=D0=BB=D0=B0=D0=BB=D0=B0?=
 =?UTF-8?q?=20=D0=B7=D0=B0=D0=B4=D0=B0=D1=87=D0=B8=202,3?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 .../GlobalUsings.cs                           |   1 +
 .../TagCloudVisualization.Tests.csproj        |  25 +++++++
 cs/TagCloudVisualization.Tests/UnitTest1.cs   |  67 ++++++++++++++++++
 .../100(10,50)Rectangles.png                  | Bin 0 -> 6443 bytes
 .../100(randomButLesser70)Rectangles.png      | Bin 0 -> 9423 bytes
 .../40(randomButLesser50)Rectangles.png       | Bin 0 -> 4366 bytes
 cs/TagsCloudVisualization/CloudDrawer.cs      |  17 +++++
 cs/TagsCloudVisualization/README.md           |   8 +++
 .../TagsCloudVisualization.csproj             |   6 +-
 cs/tdd.sln                                    |   6 ++
 10 files changed, 129 insertions(+), 1 deletion(-)
 create mode 100644 cs/TagCloudVisualization.Tests/GlobalUsings.cs
 create mode 100644 cs/TagCloudVisualization.Tests/TagCloudVisualization.Tests.csproj
 create mode 100644 cs/TagCloudVisualization.Tests/UnitTest1.cs
 create mode 100644 cs/TagsCloudVisualization/100(10,50)Rectangles.png
 create mode 100644 cs/TagsCloudVisualization/100(randomButLesser70)Rectangles.png
 create mode 100644 cs/TagsCloudVisualization/40(randomButLesser50)Rectangles.png
 create mode 100644 cs/TagsCloudVisualization/CloudDrawer.cs
 create mode 100644 cs/TagsCloudVisualization/README.md

diff --git a/cs/TagCloudVisualization.Tests/GlobalUsings.cs b/cs/TagCloudVisualization.Tests/GlobalUsings.cs
new file mode 100644
index 000000000..cefced496
--- /dev/null
+++ b/cs/TagCloudVisualization.Tests/GlobalUsings.cs
@@ -0,0 +1 @@
+global using NUnit.Framework;
\ No newline at end of file
diff --git a/cs/TagCloudVisualization.Tests/TagCloudVisualization.Tests.csproj b/cs/TagCloudVisualization.Tests/TagCloudVisualization.Tests.csproj
new file mode 100644
index 000000000..e2563dbf0
--- /dev/null
+++ b/cs/TagCloudVisualization.Tests/TagCloudVisualization.Tests.csproj
@@ -0,0 +1,25 @@
+<Project Sdk="Microsoft.NET.Sdk">
+
+    <PropertyGroup>
+        <TargetFramework>net7.0</TargetFramework>
+        <ImplicitUsings>enable</ImplicitUsings>
+        <Nullable>enable</Nullable>
+
+        <IsPackable>false</IsPackable>
+        <IsTestProject>true</IsTestProject>
+    </PropertyGroup>
+
+    <ItemGroup>
+        <PackageReference Include="FluentAssertions" Version="7.0.0-alpha.3" />
+        <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.6.0"/>
+        <PackageReference Include="NUnit" Version="3.12.0"/>
+        <PackageReference Include="NUnit3TestAdapter" Version="4.2.1"/>
+        <PackageReference Include="NUnit.Analyzers" Version="3.6.1"/>
+        <PackageReference Include="coverlet.collector" Version="6.0.0"/>
+    </ItemGroup>
+
+    <ItemGroup>
+      <ProjectReference Include="..\TagsCloudVisualization\TagsCloudVisualization.csproj" />
+    </ItemGroup>
+
+</Project>
diff --git a/cs/TagCloudVisualization.Tests/UnitTest1.cs b/cs/TagCloudVisualization.Tests/UnitTest1.cs
new file mode 100644
index 000000000..3c7c52383
--- /dev/null
+++ b/cs/TagCloudVisualization.Tests/UnitTest1.cs
@@ -0,0 +1,67 @@
+namespace TagCloudVisualization.Tests;
+using System;
+using System.Collections.Generic;
+using System.Drawing;
+using FluentAssertions;
+using System.Linq;
+using NUnit.Framework;
+using NUnit.Framework.Interfaces;
+using TagsCloudVisualization;
+
+[TestFixture]
+public class CircularCloudLayouter_Should
+{
+    private CircularCloudLayouter cloud;
+    private Point center;
+    private List<Rectangle> rectangles;
+
+    [SetUp]
+    public void Setup()
+    {
+        center = new Point(250, 250);
+        cloud = new CircularCloudLayouter(center);
+        rectangles = new List<Rectangle>();
+    }
+    
+    [TearDown]
+    public void TearDown()
+    {
+        if (TestContext.CurrentContext.Result.Outcome.Status != TestStatus.Failed)
+            return;
+
+        var path = TestContext.CurrentContext.TestDirectory + "\\" + TestContext.CurrentContext.Test.Name + ".bmp";
+        CloudDrawer.DrawAndSaveCloud(rectangles.ToArray(), path);
+        TestContext.WriteLine("Tag cloud visualization saved to file: " + path);
+    }
+    
+    [Test]
+    public void PutNextRectangle_NoIntersects_AfterPutting()
+    {
+        var rectangleSize = new Size(10, 50);
+
+        rectangles = new List<Rectangle>();
+        for (var i = 0; i < 100; i++)
+        {
+            rectangles.Add(cloud.PutNextRectangle(rectangleSize));
+        }
+
+        foreach (var rectangle in rectangles)
+        {
+            foreach (var secondRectangle in rectangles.Where(x => x != rectangle))
+            {
+                rectangle.IntersectsWith(secondRectangle).Should().BeFalse();
+            }
+        }
+    }
+
+    [Test]
+    public void PutNextRectangle_OnCenter_AfterFirstPut()
+    {
+        var rectangleSize = new Size(100, 50);
+        var expectedRectangle = new Rectangle(center, rectangleSize);
+        var rectangle = cloud.PutNextRectangle(rectangleSize);
+        rectangles.Add(rectangle);
+        rectangle.Should().BeEquivalentTo(expectedRectangle);
+    }
+
+}
\ No newline at end of file
diff --git a/cs/TagsCloudVisualization/100(10,50)Rectangles.png b/cs/TagsCloudVisualization/100(10,50)Rectangles.png
new file mode 100644
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diff --git a/cs/TagsCloudVisualization/CloudDrawer.cs b/cs/TagsCloudVisualization/CloudDrawer.cs
new file mode 100644
index 000000000..ee451e630
--- /dev/null
+++ b/cs/TagsCloudVisualization/CloudDrawer.cs
@@ -0,0 +1,17 @@
+using System.Drawing;
+using System.Collections.Generic;
+using System.Drawing.Imaging;
+
+namespace TagsCloudVisualization;
+
+public class CloudDrawer
+{
+    public static void DrawAndSaveCloud(Rectangle[] rectangles, string fileName)
+    {
+        var bitmap = new Bitmap(500, 500);
+        var gr = Graphics.FromImage(bitmap);
+        gr.FillRectangle(Brushes.Black, 0, 0, 500, 500);
+        gr.FillRectangles(Brushes.White, rectangles);
+        bitmap.Save(fileName);
+    }
+}
\ No newline at end of file
diff --git a/cs/TagsCloudVisualization/README.md b/cs/TagsCloudVisualization/README.md
new file mode 100644
index 000000000..5f8cc76d3
--- /dev/null
+++ b/cs/TagsCloudVisualization/README.md
@@ -0,0 +1,8 @@
+100 квадратов со случайными размерами (максимальный размер - 70)
+![TagCloud](100(randomButLesser70)Rectangles.png )
+
+40 квадратов со случайными размерами (максимальный размер - 50)
+![TagCloud](40(randomButLesser50)Rectangles.png )
+
+100 квадратов со сторонами 10, 50
+![TagCloud](100(10,50)Rectangles.png )
\ No newline at end of file
diff --git a/cs/TagsCloudVisualization/TagsCloudVisualization.csproj b/cs/TagsCloudVisualization/TagsCloudVisualization.csproj
index f1062eaac..ec8a30500 100644
--- a/cs/TagsCloudVisualization/TagsCloudVisualization.csproj
+++ b/cs/TagsCloudVisualization/TagsCloudVisualization.csproj
@@ -5,10 +5,14 @@
         <TargetFramework>net7.0</TargetFramework>
         <ImplicitUsings>enable</ImplicitUsings>
         <Nullable>enable</Nullable>
+        <GenerateProgramFile>false</GenerateProgramFile>
     </PropertyGroup>
 
     <ItemGroup>
-      <PackageReference Include="NUnit" Version="4.0.1" />
+      <PackageReference Include="FluentAssertions" Version="6.12.0" />
+      <PackageReference Include="Microsoft.NET.Test.Sdk" Version="16.7.1" />
+      <PackageReference Include="NUnit" Version="3.12.0" />
+      <PackageReference Include="NUnit3TestAdapter" Version="3.17.0" />
       <PackageReference Include="System.Drawing.Common" Version="8.0.0" />
     </ItemGroup>
 
diff --git a/cs/tdd.sln b/cs/tdd.sln
index a5ce745e8..bc2562de9 100644
--- a/cs/tdd.sln
+++ b/cs/tdd.sln
@@ -9,6 +9,8 @@ Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Samples", "Samples\Samples.
 EndProject
 Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "TagsCloudVisualization", "TagsCloudVisualization\TagsCloudVisualization.csproj", "{21297E12-D769-413A-BDBE-7A1D2022B650}"
 EndProject
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "TagCloudVisualization.Tests", "TagCloudVisualization.Tests\TagCloudVisualization.Tests.csproj", "{FCBA6AEA-59FC-4A6B-817E-5FCE66279D38}"
+EndProject
 Global
 	GlobalSection(SolutionConfigurationPlatforms) = preSolution
 		Debug|Any CPU = Debug|Any CPU
@@ -27,6 +29,10 @@ Global
 		{21297E12-D769-413A-BDBE-7A1D2022B650}.Debug|Any CPU.Build.0 = Debug|Any CPU
 		{21297E12-D769-413A-BDBE-7A1D2022B650}.Release|Any CPU.ActiveCfg = Release|Any CPU
 		{21297E12-D769-413A-BDBE-7A1D2022B650}.Release|Any CPU.Build.0 = Release|Any CPU
+		{FCBA6AEA-59FC-4A6B-817E-5FCE66279D38}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{FCBA6AEA-59FC-4A6B-817E-5FCE66279D38}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{FCBA6AEA-59FC-4A6B-817E-5FCE66279D38}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{FCBA6AEA-59FC-4A6B-817E-5FCE66279D38}.Release|Any CPU.Build.0 = Release|Any CPU
 	EndGlobalSection
 	GlobalSection(SolutionProperties) = preSolution
 		HideSolutionNode = FALSE