poista bak

luennot/live20/Poikkeus/Poikkeus.cs

@@ -14,10 +14,26 @@ public class Poikkeus
     {
         int[] luvut = { 2, 4, 1 };
 
-        int s = Summa(luvut, 0, 4);
+        int a1 = 3, a2 = 4, a3 = 0, a4 = 7;
 
-        Console.WriteLine(s);
- 
+        try
+        {
+            int s = Summa(luvut, 0, 2);
+
+            Console.WriteLine(s);
+            Console.WriteLine(10 / a1);
+            Console.WriteLine(10 / a2);
+            Console.WriteLine(10 / a3);
+            Console.WriteLine(10 / a4);
+        }
+        catch (IndexOutOfRangeException ex)
+        {
+            Console.WriteLine(ex.Message);
+        }
+        catch (DivideByZeroException )
+        {
+            Console.WriteLine("Jaoit 0:lla ääliö!");
+        }  
     }
 
 

luennot/live20/PoikkeusTest/PoikkeusTest.cs

+using System;
+using NUnit.Framework;
+using static Poikkeus;
+
+	[TestFixture]
+	[DefaultFloatingPointTolerance(0.000001)]
+	public  class TestPoikkeus
+	{
+		[Test]
+		public  void TestSumma49()
+		{
+			int[] luvut = { 2, 4, 1 };
+			Assert.AreEqual( 7, Summa(luvut) , "in method Summa, line 51");
+			Assert.AreEqual( 7, Summa(luvut,0,2) , "in method Summa, line 52");
+			Assert.AreEqual( 5, Summa(luvut,1,2) , "in method Summa, line 53");
+			Assert.AreEqual( 5, Summa(luvut,1) , "in method Summa, line 54");
+			Assert.AreEqual( 6, Summa(luvut,0,1) , "in method Summa, line 55");
+			Assert.AreEqual( 4, Summa(luvut,1,1) , "in method Summa, line 56");
+			try
+			{
+			Assert.AreEqual( 0, Summa(luvut,1,0) , "in method Summa, line 57");
+			Assert.Fail("Did not throw IndexOutOfRangeException in method Summa on line 56");
+			}
+			catch (IndexOutOfRangeException)
+			{
+			}
+			try
+			{
+			Assert.AreEqual( 7, Summa(luvut,0,100) , "in method Summa, line 58");
+			Assert.Fail("Did not throw IndexOutOfRangeException in method Summa on line 57");
+			}
+			catch (IndexOutOfRangeException)
+			{
+			}
+			try
+			{
+			Assert.AreEqual( 7, Summa(luvut,-4,100) , "in method Summa, line 59");
+			Assert.Fail("Did not throw IndexOutOfRangeException in method Summa on line 58");
+			}
+			catch (IndexOutOfRangeException)
+			{
+			}
+		}
+	}
+

luennot/live20/PoikkeusTest/PoikkeusTest.csproj

+<?xml version="1.0" encoding="UTF-8"?><Project Sdk="Microsoft.NET.Sdk">
+    <PropertyGroup>
+        <TargetFramework>net6.0</TargetFramework>
+        <IsPackable>false</IsPackable>
+    </PropertyGroup>
+    <ItemGroup>
+        <PackageReference Include="NUnit" Version="3.13.1"/>
+        <PackageReference Include="NUnit3TestAdapter" Version="3.17.0"/>
+        <PackageReference Include="Microsoft.NET.Test.Sdk" Version="16.8.3"/>
+    </ItemGroup>
+    <ItemGroup>
+        <ProjectReference Include="..\Poikkeus\Poikkeus.csproj"/>
+    </ItemGroup>
+</Project>

luennot/live20/Poistot/Poistot.cs

@@ -15,10 +15,22 @@ public class Poistot
     /// </summary>
     public static void Main()
     {
-        List<string> sanat = new List<string>() { "kissa", "koira", "kana", "susi", "ankka" };
+        List<string> sanat = new List<string>() { "kissa", "", "koira", "kana", "susi", "ankka" };
 
         Console.WriteLine(String.Join(" ", sanat));
+        // sanat.RemoveAll(delegate (string sana) { return sana == "susi"; });
 
+        // sanat.RemoveAll(delegate (string sana) { return sana == "kana"; });
+        // sanat.RemoveAll(sana => sana == "kana");
+        sanat.RemoveAll(sana => sana.CompareTo("kana") <= 0);
+        Console.WriteLine(String.Join(" ", sanat));
     }
 
+    public static bool AlkaaKlla(string sana)
+    {
+        if (sana.Length == 0) return false;
+        return sana[0] == 'k';
+    }
+
+
 }

luennot/live20/TiedostoIsoksi/TiedostoIsoksi.cs

@@ -22,11 +22,19 @@ public class TiedostoIsoksi
 
         string nimi = "kissa.txt";
         if (args.Length > 0) nimi = args[0];
-
-        string[] luetutRivit = File.ReadAllLines(nimi);
-        foreach (string rivi in luetutRivit)
+        // onko tiedostoa
+        try
+        {
+            string[] luetutRivit = File.ReadAllLines(nimi);
+            foreach (string rivi in luetutRivit)
+            {
+                Console.WriteLine(rivi.ToUpper());
+            }
+        }
+        catch (FileNotFoundException ex)
         {
-            Console.WriteLine(rivi.ToUpper());
+            // Console.WriteLine(ex.Message);
+            Console.WriteLine("Ei löyvy: " + nimi);
         }
     }
 

luennot/live20/TiedostoIsoksi/kissa.txt

+kissa
+kana
+koira
+mato
+kana

luennot/live20/live20.sln

@@ -7,6 +7,10 @@ Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Poistot", "Poistot\Poistot.
 EndProject
 Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Poikkeus", "Poikkeus\Poikkeus.csproj", "{5FB72467-CC42-4593-A68A-6C5B7C72FA86}"
 EndProject
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "TiedostoIsoksi", "TiedostoIsoksi\TiedostoIsoksi.csproj", "{D9F6B6FA-0A72-4834-A55A-D46750902390}"
+EndProject
+Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "PoikkeusTest", "PoikkeusTest\PoikkeusTest.csproj", "{391A0206-EBC6-4D22-9CC3-9E9067A425EA}"
+EndProject
 Global
 	GlobalSection(SolutionConfigurationPlatforms) = preSolution
 		Debug|Any CPU = Debug|Any CPU
@@ -21,6 +25,14 @@ Global
 		{5FB72467-CC42-4593-A68A-6C5B7C72FA86}.Debug|Any CPU.Build.0 = Debug|Any CPU
 		{5FB72467-CC42-4593-A68A-6C5B7C72FA86}.Release|Any CPU.ActiveCfg = Release|Any CPU
 		{5FB72467-CC42-4593-A68A-6C5B7C72FA86}.Release|Any CPU.Build.0 = Release|Any CPU
+		{D9F6B6FA-0A72-4834-A55A-D46750902390}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{D9F6B6FA-0A72-4834-A55A-D46750902390}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{D9F6B6FA-0A72-4834-A55A-D46750902390}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{D9F6B6FA-0A72-4834-A55A-D46750902390}.Release|Any CPU.Build.0 = Release|Any CPU
+		{391A0206-EBC6-4D22-9CC3-9E9067A425EA}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{391A0206-EBC6-4D22-9CC3-9E9067A425EA}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{391A0206-EBC6-4D22-9CC3-9E9067A425EA}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{391A0206-EBC6-4D22-9CC3-9E9067A425EA}.Release|Any CPU.Build.0 = Release|Any CPU
 	EndGlobalSection
 	GlobalSection(SolutionProperties) = preSolution
 		HideSolutionNode = FALSE