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more unit tests need to remove triangle height width

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This commit is contained in:
Brady Bodily
2019-10-25 16:44:48 -06:00
parent 557ed0a03c
commit 62c09e84d6
2 changed files with 92 additions and 30 deletions
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9
Shapes/Triangle.cs
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@@ -26,13 +26,13 @@ namespace Shapes
Lines.Add(new Line(point2, point3));
Lines.Add(new Line(point3, point1));
var centerOfLine3 = (point1 - point3) / 2 + point1;
var centerTriangle = (point1 - centerOfLine3) / 2 + point1;
var centerOfLine1 = (point1 - point2) / 2 + point1;
var centerTriangle = (point1 - centerOfLine1) / 2 + point1;
CenterPoint = centerTriangle;
Height = new Line(point1, centerOfLine3).ComputeLength();
Height = new Line(point1, point3).ComputeLength();
Width = new Line(point1, point2).ComputeLength();
}
@@ -58,6 +58,9 @@ namespace Shapes
var centerOfLine3 = (point1 - point3) / 2 + point1;
var centerTriangle = (point1 - centerOfLine3) / 2 + point1;
Height = new Line(point1, point3).ComputeLength();
Width = new Line(point1, point2).ComputeLength();
CenterPoint = centerTriangle;
}

113
UnitTests/TriangleTests.cs
View File

@@ -1,3 +1,5 @@
using System;
using System.Collections.Generic;
using System.Drawing;
using NUnit.Framework;
using Shapes;
@@ -19,57 +21,114 @@ namespace Tests
var point2 = new Point(3, 0);
var point3 = new Point(0, 3);
var triangle = new Triangle(point1, point2, point3);
Assert.AreEqual( Color.Empty, triangle.Fill);
Assert.AreEqual(Color.Empty, triangle.Fill);
triangle.Fill = Color.Aqua;
Assert.AreEqual(Color.Aqua, triangle.Fill);
Assert.AreEqual(Color.Black, triangle.Stroke);
Assert.AreEqual(point1, triangle.Points[0]);
Assert.AreEqual(point2, triangle.Points[1]);
Assert.AreEqual(point3, triangle.Points[2]);
Assert.AreEqual(point1, triangle.Lines[0].Point1 );
Assert.AreEqual(point2, triangle.Lines[0].Point2 );
Assert.AreEqual(point2, triangle.Lines[1].Point1 );
Assert.AreEqual(point3, triangle.Lines[1].Point2 );
Assert.AreEqual(point3, triangle.Lines[2].Point1 );
Assert.AreEqual(point1, triangle.Lines[2].Point2 );
Assert.AreEqual(point1, triangle.Lines[0].Point1);
Assert.AreEqual(point2, triangle.Lines[0].Point2);
Assert.AreEqual(point2, triangle.Lines[1].Point1);
Assert.AreEqual(point3, triangle.Lines[1].Point2);
Assert.AreEqual(point3, triangle.Lines[2].Point1);
Assert.AreEqual(point1, triangle.Lines[2].Point2);
Assert.AreEqual(3, triangle.Height);
Assert.AreEqual(3, triangle.Width);
}
[Test]
public void TriangleXY()
{
var point1x = 0;
var point2x = 3;
var point3x = 0;
var point1y = 0;
var point2x = 3;
var point2y = 0;
var point3x = 0;
var point3y = 3;
var triangle = new Triangle(point1x, point1y, point2x, point2y, point3x, point3y);
Assert.AreEqual( Color.Empty, triangle.Fill);
Assert.AreEqual(Color.Empty, triangle.Fill);
triangle.Fill = Color.Aqua;
Assert.AreEqual(Color.Aqua, triangle.Fill);
Assert.AreEqual(Color.Black, triangle.Stroke);
Assert.AreEqual(point1x, triangle.Points[0].X);
Assert.AreEqual(point2x, triangle.Points[1].X);
Assert.AreEqual(point3x, triangle.Points[2].X);
Assert.AreEqual(point1x, triangle.Lines[0].Point1.X );
Assert.AreEqual(point2x, triangle.Lines[0].Point2.X );
Assert.AreEqual(point2x, triangle.Lines[1].Point1.X );
Assert.AreEqual(point3x, triangle.Lines[1].Point2.X );
Assert.AreEqual(point3x, triangle.Lines[2].Point1.X );
Assert.AreEqual(point1x, triangle.Lines[2].Point2.X );
Assert.AreEqual(point1x, triangle.Lines[0].Point1.X);
Assert.AreEqual(point2x, triangle.Lines[0].Point2.X);
Assert.AreEqual(point2x, triangle.Lines[1].Point1.X);
Assert.AreEqual(point3x, triangle.Lines[1].Point2.X);
Assert.AreEqual(point3x, triangle.Lines[2].Point1.X);
Assert.AreEqual(point1x, triangle.Lines[2].Point2.X);
Assert.AreEqual(point1y, triangle.Points[0].Y);
Assert.AreEqual(point2y, triangle.Points[1].Y);
Assert.AreEqual(point3y, triangle.Points[2].Y);
Assert.AreEqual(point1y, triangle.Lines[0].Point1.Y );
Assert.AreEqual(point2y, triangle.Lines[0].Point2.Y );
Assert.AreEqual(point2y, triangle.Lines[1].Point1.Y );
Assert.AreEqual(point3y, triangle.Lines[1].Point2.Y );
Assert.AreEqual(point3y, triangle.Lines[2].Point1.Y );
Assert.AreEqual(point1y, triangle.Lines[2].Point2.Y );
Assert.AreEqual(point1y, triangle.Lines[0].Point1.Y);
Assert.AreEqual(point2y, triangle.Lines[0].Point2.Y);
Assert.AreEqual(point2y, triangle.Lines[1].Point1.Y);
Assert.AreEqual(point3y, triangle.Lines[1].Point2.Y);
Assert.AreEqual(point3y, triangle.Lines[2].Point1.Y);
Assert.AreEqual(point1y, triangle.Lines[2].Point2.Y);
Assert.AreEqual(3, triangle.Height);
Assert.AreEqual(3, triangle.Width);
}
[Test]
public void ComputeAreaTest()
{
var point1 = new Point(0, 0);
var point2 = new Point(3, 0);
var point3 = new Point(0, 3);
var area = 9 * .5;
var triangle = new Triangle(point1, point2, point3);
Assert.LessOrEqual(Math.Abs(triangle.ComputeArea() - area), 3.0E-15d);
}
[Test]
public void ScaleTest()
{
List<Point> points = new List<Point>();
var triangle = new Triangle(
new Point(0, 0),
new Point(1, 0),
new Point(0, 1));
points.Add(new Point(0, 0));
points.Add(new Point(1, 0));
points.Add(new Point(0, 1));
triangle.Scale(10);
for (int i = 0; i < triangle.Points.Count; i++)
{
points[i].X *= 10;
points[i].Y *= 10;
Assert.AreEqual(points[i].X, triangle.Points[i].X);
Assert.AreEqual(points[i].Y, triangle.Points[i].Y);
}
}
[Test]
public void ComputeCenterTest()
{
var triangle = new Triangle(
new Point(0, 0),
new Point(1, 0),
new Point(0, 1));
Assert.AreEqual(.25, triangle.CenterPoint.X);
Assert.AreEqual(.5, triangle.CenterPoint.Y);
}
}
}