public void EqualsTest()
{
Init();
LineSegment newLine = new Datas.LineSegment(new Point3D()
{
X = 0, Y = 0, Z = 0
}, new Point3D()
{
X = 1, Y = 0, Z = 0
});
var result = this.LineSegment.Equals(newLine);
Assert.AreEqual(result, true);
Init();
LineSegment newLine2 = new Datas.LineSegment(new Point3D()
{
X = 2, Y = 0, Z = 0
}, new Point3D()
{
X = 3, Y = 0, Z = 0
});
var result2 = this.LineSegment.Equals(newLine2);
Assert.AreEqual(result2, false);
}
public void GetLengthTest()
{
//线段起始点为空测试
object exception = null;
LineSegment nullTest = new Datas.LineSegment(null, null);
try
{
var dir_null = nullTest.GetLength();
}
catch (Exception ex)
{
exception = ex;
}
Assert.IsNotNull(exception);
//长度测试
Init();
var length = this.LineSegment.GetLength();
Assert.AreEqual(length, 1);
}
public void GetCrossPointsTest()
{
Init();
Point3D otherStart = new Point3D()
{
X = 0.5, Y = 1, Z = 0
};
Point3D otherEnd = new Point3D()
{
X = 0.5, Y = -1, Z = 0
};
LineSegment otherLine = new Datas.LineSegment(otherStart, otherEnd);
List <Point3D> list = LineSegment.GetCrossPoints(otherLine) as List <Point3D>;
Assert.IsNotNull(list);
Assert.AreEqual(list.Count, 1);
Assert.AreEqual(Math.Round(list[0].X, 8), 0.5);
Assert.AreEqual(Math.Round(list[0].Y, 8), 0);
Init();
Point3D otherStart2 = new Point3D()
{
X = 0.5, Y = 1, Z = 0
};
Point3D otherEnd2 = new Point3D()
{
X = 0.5, Y = 0.5, Z = 0
};
LineSegment otherLine2 = new Datas.LineSegment(otherStart2, otherEnd2);
List <Point3D> list2 = LineSegment.GetCrossPoints(otherLine2) as List <Point3D>;
Assert.IsNotNull(list2);
Assert.AreEqual(list2.Count, 1);
Assert.AreEqual(Math.Round(list2[0].X, 8), 0.5);
Assert.AreEqual(Math.Round(list2[0].Y, 8), 0);
Init();
Point3D otherStart3 = new Point3D()
{
X = 2, Y = 1, Z = 0
};
Point3D otherEnd3 = new Point3D()
{
X = 2, Y = 0.5, Z = 0
};
LineSegment otherLine3 = new Datas.LineSegment(otherStart3, otherEnd3);
List <Point3D> list3 = LineSegment.GetCrossPoints(otherLine3) as List <Point3D>;
Assert.IsNotNull(list3);
Assert.AreEqual(list3.Count, 0);
Init();
Point3D otherStart4 = new Point3D()
{
X = 0.5, Y = 0.5, Z = 0
};
Point3D otherEnd4 = new Point3D()
{
X = 0.5, Y = 1, Z = 0
};
LineSegment otherLine4 = new Datas.LineSegment(otherStart4, otherEnd4);
List <Point3D> list4 = LineSegment.GetCrossPoints(otherLine4) as List <Point3D>;
Assert.IsNotNull(list4);
Assert.AreEqual(list4.Count, 0);
Init();
Point3D otherStart5 = new Point3D()
{
X = 0.5, Y = 0, Z = 0
};
Point3D otherEnd5 = new Point3D()
{
X = 0.5, Y = -0.5, Z = 0
};
LineSegment otherLine5 = new Datas.LineSegment(otherStart5, otherEnd5);
List <Point3D> list5 = LineSegment.GetCrossPoints(otherLine5) as List <Point3D>;
Assert.IsNotNull(list5);
Assert.AreEqual(list5.Count, 1);
Assert.AreEqual(Math.Round(list5[0].X, 8), 0.5);
Assert.AreEqual(Math.Round(list5[0].Y, 8), 0);
Init();
Point3D otherStart6 = new Point3D()
{
X = -0.5, Y = 0, Z = 0
};
Point3D otherEnd6 = new Point3D()
{
X = 0.5, Y = 0, Z = 0
};
LineSegment otherLine6 = new Datas.LineSegment(otherStart6, otherEnd6);
List <Point3D> list6 = LineSegment.GetCrossPoints(otherLine6) as List <Point3D>;
Assert.IsNotNull(list6);
Assert.AreEqual(list6.Count, 0);
}
public void GetCurveCurveRelationShipTypeTest()
{
Init();
Point3D otherStart = new Point3D()
{
X = 0.5, Y = 1, Z = 0
};
Point3D otherEnd = new Point3D()
{
X = 0.5, Y = -1, Z = 0
};
LineSegment otherLine = new Datas.LineSegment(otherStart, otherEnd);
LineCurveRelationShipType type = LineSegment.GetCurveCurveRelationShipType(otherLine);
Assert.AreEqual(type, LineCurveRelationShipType.Intersect);
Init();
Point3D otherStart2 = new Point3D()
{
X = 0.5, Y = 1, Z = 0
};
Point3D otherEnd2 = new Point3D()
{
X = 0.5, Y = 0.5, Z = 0
};
LineSegment otherLine2 = new Datas.LineSegment(otherStart2, otherEnd2);
LineCurveRelationShipType type2 = LineSegment.GetCurveCurveRelationShipType(otherLine2);
Assert.AreEqual(type2, LineCurveRelationShipType.Intersect);
Init();
Point3D otherStart3 = new Point3D()
{
X = 2, Y = 1, Z = 0
};
Point3D otherEnd3 = new Point3D()
{
X = 2, Y = 0.5, Z = 0
};
LineSegment otherLine3 = new Datas.LineSegment(otherStart3, otherEnd3);
LineCurveRelationShipType type3 = LineSegment.GetCurveCurveRelationShipType(otherLine3);
Assert.AreEqual(type3, LineCurveRelationShipType.Right);
Init();
Point3D otherStart4 = new Point3D()
{
X = 0.5, Y = 0.5, Z = 0
};
Point3D otherEnd4 = new Point3D()
{
X = 0.5, Y = 1, Z = 0
};
LineSegment otherLine4 = new Datas.LineSegment(otherStart4, otherEnd4);
LineCurveRelationShipType type4 = LineSegment.GetCurveCurveRelationShipType(otherLine4);
Assert.AreEqual(type4, LineCurveRelationShipType.Others);
Init();
Point3D otherStart5 = new Point3D()
{
X = 0.5, Y = 0, Z = 0
};
Point3D otherEnd5 = new Point3D()
{
X = 0.5, Y = 0.5, Z = 0
};
LineSegment otherLine5 = new Datas.LineSegment(otherStart5, otherEnd5);
LineCurveRelationShipType type5 = LineSegment.GetCurveCurveRelationShipType(otherLine5);
Assert.AreEqual(type5, LineCurveRelationShipType.Intersect);
Init();
Point3D otherStart6 = new Point3D()
{
X = -0.5, Y = 0, Z = 0
};
Point3D otherEnd6 = new Point3D()
{
X = 0.5, Y = 0, Z = 0
};
LineSegment otherLine6 = new Datas.LineSegment(otherStart6, otherEnd6);
LineCurveRelationShipType type6 = LineSegment.GetCurveCurveRelationShipType(otherLine6);
Assert.AreEqual(type6, LineCurveRelationShipType.Coincide);
Init();
Point3D otherStart7 = new Point3D()
{
X = 2, Y = 2, Z = 0
};
Point3D otherEnd7 = new Point3D()
{
X = 2, Y = 3, Z = 0
};
LineSegment otherLine7 = new Datas.LineSegment(otherStart7, otherEnd7);
LineCurveRelationShipType type7 = LineSegment.GetCurveCurveRelationShipType(otherLine7);
Assert.AreEqual(type7, LineCurveRelationShipType.Left);
Init();
Point3D otherStart8 = new Point3D()
{
X = 1, Y = -1, Z = 0
};
Point3D otherEnd8 = new Point3D()
{
X = 1, Y = 3, Z = 0
};
LineSegment otherLine8 = new Datas.LineSegment(otherStart8, otherEnd8);
LineCurveRelationShipType type8 = LineSegment.GetCurveCurveRelationShipType(otherLine8);
Assert.AreEqual(type8, LineCurveRelationShipType.On_Left);
}
public void GetIntersectionTest()
{
Init();
Point3D otherStart = new Point3D()
{
X = 0.5, Y = 1, Z = 0
};
Point3D otherEnd = new Point3D()
{
X = 0.5, Y = -1, Z = 0
};
LineSegment otherLine = new Datas.LineSegment(otherStart, otherEnd);
Point3D point = LineSegment.GetIntersection(otherLine);
Assert.AreEqual(Math.Round(point.X, 6), 0.5);
Assert.AreEqual(Math.Round(point.Y, 6), 0);
Init();
Point3D otherStart2 = new Point3D()
{
X = 0.5, Y = 1, Z = 0
};
Point3D otherEnd2 = new Point3D()
{
X = 0.5, Y = 0.5, Z = 0
};
LineSegment otherLine2 = new Datas.LineSegment(otherStart2, otherEnd2);
Point3D point2 = LineSegment.GetIntersection(otherLine2);
Assert.IsNull(point2);
Init();
Point3D otherStart3 = new Point3D()
{
X = 1.5, Y = 1, Z = 0
};
Point3D otherEnd3 = new Point3D()
{
X = 1.5, Y = -1, Z = 0
};
LineSegment otherLine3 = new Datas.LineSegment(otherStart3, otherEnd3);
Point3D point3 = LineSegment.GetIntersection(otherLine3);
Assert.IsNull(point3);
Init();
Point3D otherStart4 = new Point3D()
{
X = 1, Y = 1, Z = 0
};
Point3D otherEnd4 = new Point3D()
{
X = 1, Y = -1, Z = 0
};
LineSegment otherLine4 = new Datas.LineSegment(otherStart4, otherEnd4);
Point3D point4 = LineSegment.GetIntersection(otherLine4);
Assert.AreEqual(Math.Round(point4.X, 6), 1);
Assert.AreEqual(Math.Round(point4.Y, 6), 0);
Init();
Point3D otherStart5 = new Point3D()
{
X = 1.5, Y = 0, Z = 0
};
Point3D otherEnd5 = new Point3D()
{
X = 2, Y = 0, Z = 0
};
LineSegment otherLine5 = new Datas.LineSegment(otherStart5, otherEnd5);
Point3D point5 = LineSegment.GetIntersection(otherLine5);
Assert.IsNull(point5);
}
public void GetDirectionTest()
{
//线段起始点为空测试
object exception = null;
LineSegment nullTest = new Datas.LineSegment(null, null);
try
{
var dir_null = nullTest.GetDirection();
}
catch (Exception ex)
{
exception = ex;
}
Assert.IsNotNull(exception);
//垂直测试(向东)
Init();
var dir = this.LineSegment.GetDirection();
Assert.AreEqual(dir, Math.PI / 2);
//正北测试
Point3D startPoint2 = new Point3D()
{
X = 0, Y = 0, Z = 0
};
Point3D endPoint2 = new Point3D()
{
X = 0, Y = 1, Z = 0
};
LineSegment LineSegment2 = new LineSegment(startPoint2, endPoint2);
var dir2 = LineSegment2.GetDirection();
Assert.AreEqual(dir2, 0);
//正南测试
Point3D startPoint3 = new Point3D()
{
X = 0, Y = 0, Z = 0
};
Point3D endPoint3 = new Point3D()
{
X = 0, Y = -1, Z = 0
};
LineSegment LineSegment3 = new LineSegment(startPoint3, endPoint3);
var dir3 = LineSegment3.GetDirection();
Assert.AreEqual(dir3, Math.PI);
//垂直测试(向西)
Point3D startPoint4 = new Point3D()
{
X = 0, Y = 0, Z = 0
};
Point3D endPoint4 = new Point3D()
{
X = -1, Y = 0, Z = 0
};
LineSegment LineSegment4 = new LineSegment(startPoint4, endPoint4);
var dir4 = LineSegment4.GetDirection();
Assert.AreEqual(dir4, -Math.PI / 2);
}
