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![Daniel Taylor](https://secure.gravatar.com/avatar/2a3f1d2cde4ef3fdbe275fe28a8ac7a9?s=96&d=https%3A%2F%2Fecs-static.teamtreehouse.com%2Fassets%2Fcontent%2Fdefault_avatar-445fbbabfc8dc9188fb5967fe43322ee0c3e0dd1e10f378bf8343784af5a13eb.webp&r=pg)
Daniel Taylor
3,482 PointsAssert.Throws C# Unit Testing
What's wrong with the MapTest()?
using Xunit;
namespace TreehouseDefense.Tests { public class MapTests { [Fact] public void OnMapTest() { var target = new Map(3, 3); var point = new Point(0, 0);
Assert.True(target.OnMap(point));
}
[Fact]
public void MapTest(){
Assert.Throws<ArgumentOutOfRangeException>(() => new Map(-50,-10));
}
}
}
namespace TreehouseDefense
{
public class Map
{
public readonly int Width;
public readonly int Height;
public Map(int width, int height)
{
if(width < 1 || height < 1)
{
throw new System.ArgumentOutOfRangeException(
"Map must be at least 1x1");
}
Width = width;
Height = height;
}
public bool OnMap(Point point)
{
return point.X >= 0 && point.X < Width &&
point.Y >= 0 && point.Y < Height;
}
}
}
using Xunit;
namespace TreehouseDefense.Tests
{
public class MapTests
{
[Fact]
public void OnMapTest()
{
var target = new Map(3, 3);
var point = new Point(0, 0);
Assert.True(target.OnMap(point));
}
[Fact]
public void MapTest(){
Assert.Throws<ArgumentOutOfRangeException>(() => new Map(-50,-10));
}
}
}
using System;
namespace TreehouseDefense
{
public class Point
{
public readonly int X;
public readonly int Y;
public Point(int x, int y)
{
X = x;
Y = y;
}
public double DistanceTo(Point point)
{
return Math.Sqrt(Math.Pow(X - point.X, 2.0) + Math.Pow(Y - point.Y, 2.0));
}
}
}
1 Answer
![Steven Parker](https://uploads.teamtreehouse.com/production/profile-photos/969492/micro_tool_chess_set_2.jpg)
Steven Parker
230,688 PointsYou're so close!
Everything looks good except that you either need to fully qualify System.ArgumentOutOfRangeException, or you could add a "using System;
" directive to the MapTests.cs module.