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.gitignore

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+# Download this file using PowerShell v3 under Windows with the following comand:
+# Invoke-WebRequest https://gist.githubusercontent.com/kmorcinek/2710267/raw/ -OutFile .gitignore
+# or wget:
+# wget --no-check-certificate http://gist.githubusercontent.com/kmorcinek/2710267/raw/.gitignore
+
+# User-specific files
+*.suo
+*.user
+*.sln.docstates
+
+# Build results
+
+[Dd]ebug/
+[Rr]elease/
+x64/
+build/
+[Bb]in/
+[Oo]bj/
+
+# NuGet Packages
+*.nupkg
+# The packages folder can be ignored because of Package Restore
+**/packages/*
+# except build/, which is used as an MSBuild target.
+!**/packages/build/
+# Uncomment if necessary however generally it will be regenerated when needed
+#!**/packages/repositories.config
+
+# MSTest test Results
+[Tt]est[Rr]esult*/
+[Bb]uild[Ll]og.*
+
+*_i.c
+*_p.c
+*.ilk
+*.meta
+*.obj
+*.pch
+*.pdb
+*.pgc
+*.pgd
+*.rsp
+*.sbr
+*.tlb
+*.tli
+*.tlh
+*.tmp
+*.tmp_proj
+*.log
+*.vspscc
+*.vssscc
+.builds
+*.pidb
+*.log
+*.scc
+
+# OS generated files #
+.DS_Store*
+Icon?
+
+# Visual C++ cache files
+ipch/
+*.aps
+*.ncb
+*.opensdf
+*.sdf
+*.cachefile
+
+# Visual Studio profiler
+*.psess
+*.vsp
+*.vspx
+
+# Guidance Automation Toolkit
+*.gpState
+
+# ReSharper is a .NET coding add-in
+_ReSharper*/
+*.[Rr]e[Ss]harper
+
+# TeamCity is a build add-in
+_TeamCity*
+
+# DotCover is a Code Coverage Tool
+*.dotCover
+
+# NCrunch
+*.ncrunch*
+.*crunch*.local.xml
+
+# Installshield output folder
+[Ee]xpress/
+
+# DocProject is a documentation generator add-in
+DocProject/buildhelp/
+DocProject/Help/*.HxT
+DocProject/Help/*.HxC
+DocProject/Help/*.hhc
+DocProject/Help/*.hhk
+DocProject/Help/*.hhp
+DocProject/Help/Html2
+DocProject/Help/html
+
+# Click-Once directory
+publish/
+
+# Publish Web Output
+*.Publish.xml
+
+# Windows Azure Build Output
+csx
+*.build.csdef
+
+# Windows Store app package directory
+AppPackages/
+
+# Others
+*.Cache
+ClientBin/
+# [Ss]tyle[Cc]op.*
+~$*
+*~
+*.dbmdl
+*.[Pp]ublish.xml
+*.pfx
+*.publishsettings
+modulesbin/
+tempbin/
+
+# EPiServer Site file (VPP)
+AppData/
+
+# RIA/Silverlight projects
+Generated_Code/
+
+# Backup & report files from converting an old project file to a newer
+# Visual Studio version. Backup files are not needed, because we have git ;-)
+_UpgradeReport_Files/
+Backup*/
+UpgradeLog*.XML
+UpgradeLog*.htm
+
+# vim
+*.txt~
+*.swp
+*.swo
+
+# svn
+.svn
+
+# Remainings from resolvings conflicts in Source Control
+*.orig
+
+# SQL Server files
+**/App_Data/*.mdf
+**/App_Data/*.ldf
+**/App_Data/*.sdf
+
+
+#LightSwitch generated files
+GeneratedArtifacts/
+_Pvt_Extensions/
+ModelManifest.xml
+
+# =========================
+# Windows detritus
+# =========================
+
+# Windows image file caches
+Thumbs.db
+ehthumbs.db
+
+# Folder config file
+Desktop.ini
+
+# Recycle Bin used on file shares
+$RECYCLE.BIN/
+
+# Mac desktop service store files
+.DS_Store
+
+# SASS Compiler cache
+.sass-cache
+
+# Visual Studio 2014 CTP
+**/*.sln.ide
+
+# Visual Studio temp something
+.vs/
+
+# VS 2015+
+*.vc.vc.opendb
+*.vc.db
+
+# Rider
+.idea/
+
+**/node_modules/*
+
+# Added by Jskonst
+Properties/
+
+#####
+# End of core ignore list, below put you custom 'per project' settings (patterns or path)
+#####

.vscode/launch.json

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+{
+    // Use IntelliSense to learn about possible attributes.
+    // Hover to view descriptions of existing attributes.
+    // For more information, visit: https://go.microsoft.com/fwlink/?linkid=830387
+    "version": "0.2.0",
+    "configurations": []
+}

CourseApp.Tests/DemoTest.cs

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+using System;
+using System.Collections.Generic;
+using Xunit;
+
+namespace CourseApp.Tests
+{
+    public class DemoTest
+    {
+        [Fact]
+        public void Test1()
+        {
+            Assert.True(true);
+        }
+
+        [Fact]
+        public void TestEmptyListA()
+        {
+            double a = 0.1;
+            double b = 0.5;
+            double xn = 1.37;
+            double xk = 2.57;
+            double dx = 0.3;
+            Assert.Empty(Program.TaskA(a, b, xn, xk, dx));
+        }
+
+        [Fact]
+        public void TestTaskA()
+        {
+            double a = 0.8;
+            double b = 0.4;
+            double xn = 1.23;
+            double xk = 7.23;
+            double dx = 1.2;
+            List<double> res = Program.TaskA(a, b, xn, xk, dx);
+            List<double> expy = new List<double> { 2.237126168657003, 2.215581361121909, 2.5269082194827885, 2.785377126824208, 3.0079000350329963 };
+            for (int i = 0; i < 5; i++)
+            {
+                Assert.Equal(expy[i], res[i], 3);
+            }
+        }
+
+        [Fact]
+        public void TestXnMoreThenXk()
+        {
+            List<double> res = Program.TaskA(0.8, 0.4, 1.23, 7.23, 1.2);
+            Assert.Equal(res, new List<double>());
+        }
+
+        [Fact]
+        public void TestDx()
+        {
+            List<double> res = Program.TaskA(0.8, 0.4, 1.23, 7.23, 1.2);
+            Assert.Equal(res, new List<double>());
+        }
+
+        [Fact]
+        public void TestEmptyListB()
+        {
+            List<double> x = new List<double>();
+                Assert.Empty(Program.TaskB(0.8, 0.4, x));
+        }
+
+        [Fact]
+        public void TestTaskB()
+        {
+            List<double> x = new List<double> { 1.88, 2.26, 3.84, 4.55, -6.21 };
+            List<double> res = Program.TaskB(0.8, 0.4, x);
+            List<double> expy = new List<double> { 2.0558467733507353, 2.1665433513017915, 2.5754036757838303, 2.7287991234367484, double.NaN };
+            for (int i = 0; i < 5; i++)
+            {
+                Assert.Equal(expy[i], res[i], 3);
+            }
+        }
+    }
+}

CourseApp.Tests/PigTest.cs

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+using System;
+using Xunit;
+
+namespace CourseApp.Tests
+{
+    public class PigTest
+    {
+        [Fact]
+        public void TestEmptyConstructor()
+        {
+            var item = new Pig();
+            Assert.Equal("Test", item.Name);
+            Assert.Equal(1, item.Age);
+            Assert.Equal(1, item.Salo);
+            Assert.Equal("Male", item.Gender);
+        }
+
+        [Theory]
+        [InlineData("PigMale", 5, 7, "Male")]
+        [InlineData("PigFemale", 2, 1, "Female")]
+        [InlineData("PigPigger", 10, 11, "Male")]
+        public void TestFullConstructor(string name, int age, int salo, string gender)
+        {
+            var item = new Pig(name, age, salo, gender);
+            Assert.Equal(age, item.Age);
+            Assert.Equal(name, item.Name);
+            Assert.Equal(salo, item.Salo);
+            Assert.Equal(gender, item.Gender);
+        }
+
+        [Fact]
+        public void TestRightSetAge()
+        {
+            var item = new Pig();
+            item.Age = 11;
+            Assert.Equal(11, item.Age);
+        }
+
+        [Fact]
+        public void TestWrongSetAge()
+        {
+            try
+            {
+                var item = new Pig();
+                item.Age = -100;
+            }
+            catch (System.Exception)
+            {
+                Console.WriteLine("Возраст должен быть больше 1 года");
+                Assert.True(true);
+            }
+        }
+    }
+}

CourseApp/CourseApp.sln

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+
+Microsoft Visual Studio Solution File, Format Version 12.00
+# Visual Studio 15
+VisualStudioVersion = 15.0.28307.852
+MinimumVisualStudioVersion = 10.0.40219.1
+Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "CourseApp", "CourseApp.csproj", "{17CB0273-34D3-4D23-965F-FC4AD0A83D0F}"
+EndProject
+Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "CourseApp.Tests", "..\CourseApp.Tests\CourseApp.Tests.csproj", "{E0133767-62A2-4B4A-87A2-BD09BC775E0A}"
+EndProject
+Global
+	GlobalSection(SolutionConfigurationPlatforms) = preSolution
+		Debug|Any CPU = Debug|Any CPU
+		Release|Any CPU = Release|Any CPU
+	EndGlobalSection
+	GlobalSection(ProjectConfigurationPlatforms) = postSolution
+		{17CB0273-34D3-4D23-965F-FC4AD0A83D0F}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{17CB0273-34D3-4D23-965F-FC4AD0A83D0F}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{17CB0273-34D3-4D23-965F-FC4AD0A83D0F}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{17CB0273-34D3-4D23-965F-FC4AD0A83D0F}.Release|Any CPU.Build.0 = Release|Any CPU
+		{E0133767-62A2-4B4A-87A2-BD09BC775E0A}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{E0133767-62A2-4B4A-87A2-BD09BC775E0A}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{E0133767-62A2-4B4A-87A2-BD09BC775E0A}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{E0133767-62A2-4B4A-87A2-BD09BC775E0A}.Release|Any CPU.Build.0 = Release|Any CPU
+	EndGlobalSection
+	GlobalSection(SolutionProperties) = preSolution
+		HideSolutionNode = FALSE
+	EndGlobalSection
+	GlobalSection(ExtensibilityGlobals) = postSolution
+		SolutionGuid = {1849B280-B447-4D18-9764-F412B7768C4F}
+	EndGlobalSection
+EndGlobal