Added KarateChop Kata

CodeKata/CodeKata.csproj

@@ -45,6 +45,7 @@
  </ItemGroup>
  <ItemGroup>
    <Compile Include="Katas\FizzBuzz.cs" />
    <Compile Include="Katas\KarateChop.cs" />
    <Compile Include="Properties\AssemblyInfo.cs" />
  </ItemGroup>
  <ItemGroup>

CodeKata/Katas/KarateChop.cs

@@ -0,0 +1,33 @@
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
namespace CodeKata.Katas
{
    /// <summary>
    /// Karate Chop.
    /// </summary>
    /// <remarks>
    /// Implement a binary search routine (using the specification below) in the language and technique of your choice.
    /// Tomorrow, implement it again, using a totally different technique.
    /// Do the same the next day, until you have five totally unique implementations of a binary chop.
    /// 
    /// (For example, one solution might be the traditional iterative approach, one might be recursive,
    /// one might use a functional style passing array slices around, and so on).
    /// </remarks>
    public class KarateChop
    {
        /// <summary>
        /// Chops the specified target.
        /// </summary>
        /// <param name="target">The target.</param>
        /// <param name="array">The array.</param>
        /// <returns>The index of the targetted number (-1 if not found).</returns>
        public static int Chop(int target, int[] array)
        {
            throw new NotImplementedException();
        }
    }
}

CodeKataTests/CodeKataTests.csproj

@@ -42,6 +42,7 @@
  <ItemGroup>
    <Compile Include="Properties\AssemblyInfo.cs" />
    <Compile Include="Solutions\FizzBuzzTests.cs" />
    <Compile Include="Solutions\KarateChopTests.cs" />
  </ItemGroup>
  <ItemGroup>
    <Folder Include="Personal\" />

CodeKataTests/Solutions/KarateChopTests.cs

@@ -0,0 +1,63 @@
using CodeKata.Katas;
using Microsoft.VisualStudio.TestTools.UnitTesting;
namespace CodeKataTests.Solutions
{
    /// <summary>
    /// Karata Chop Tests.
    /// </summary>
    [TestClass]
    public class KarateChopTests
    {
        /// <summary>
        /// Returneds the index of the results are zero.
        /// </summary>
        [TestMethod]
        public void ReturnedResultsAreZeroIndex()
        {
            Assert.AreEqual(0, KarateChop.Chop(1, new int[] { 1 }));
            Assert.AreEqual(0, KarateChop.Chop(1, new int[] { 1, 3, 5 }));
            Assert.AreEqual(0, KarateChop.Chop(1, new int[] { 1, 3, 5, 7 }));
        }
        /// <summary>
        /// Determines whether this instance [can find targets].
        /// </summary>
        [TestMethod]
        public void CanFindTargets()
        {
            Assert.AreEqual(1,  KarateChop.Chop(3, new int[] { 1, 3, 5 }));
            Assert.AreEqual(2,  KarateChop.Chop(5, new int[] { 1, 3, 5 }));
            Assert.AreEqual(1,  KarateChop.Chop(3, new int[] { 1, 3, 5, 7 }));
            Assert.AreEqual(2,  KarateChop.Chop(5, new int[] { 1, 3, 5, 7 }));
            Assert.AreEqual(3,  KarateChop.Chop(7, new int[] { 1, 3, 5, 7 }));
        }
        /// <summary>
        /// Determines whether this instance [can handle empty arrays].
        /// </summary>
        [TestMethod]
        public void CanHandleEmptyArrays()
        {
            Assert.AreEqual(-1, KarateChop.Chop(3, new int[] { }));
        }
        /// <summary>
        /// Determines whether this instance [can identify not found targets].
        /// </summary>
        [TestMethod]
        public void CanIdentifyNotFoundTargets()
        {
            Assert.AreEqual(-1, KarateChop.Chop(3, new int[] { 1 }));
            Assert.AreEqual(-1, KarateChop.Chop(0, new int[] { 1, 3, 5 }));
            Assert.AreEqual(-1, KarateChop.Chop(2, new int[] { 1, 3, 5 }));
            Assert.AreEqual(-1, KarateChop.Chop(4, new int[] { 1, 3, 5 }));
            Assert.AreEqual(-1, KarateChop.Chop(6, new int[] { 1, 3, 5 }));
            Assert.AreEqual(-1, KarateChop.Chop(0, new int[] { 1, 3, 5, 7 }));
            Assert.AreEqual(-1, KarateChop.Chop(2, new int[] { 1, 3, 5, 7 }));
            Assert.AreEqual(-1, KarateChop.Chop(4, new int[] { 1, 3, 5, 7 }));
            Assert.AreEqual(-1, KarateChop.Chop(6, new int[] { 1, 3, 5, 7 }));
            Assert.AreEqual(-1, KarateChop.Chop(8, new int[] { 1, 3, 5, 7 }));
        }
    }
}