public static void constructor_expected_capacity()
{
var mls = new MultiLineString2(10);
Assert.Equal(0, mls.Count);
mls.GetMagnitude().Should().Be(Double.NaN);
}
public static void constructor_default()
{
var mls = new MultiLineString2();
Assert.Equal(0, mls.Count);
mls.GetMagnitude().Should().Be(Double.NaN);
}
public static void magnitude() {
var mls = new MultiLineString2(_lineStrings);
var expected = mls.Sum(ls => ls.GetMagnitude());
var actual = mls.GetMagnitude();
Assert.Equal(expected, actual);
}
public static void magnitude()
{
var mls = new MultiLineString2(_lineStrings);
var expected = mls.Sum(ls => ls.GetMagnitude());
var actual = mls.GetMagnitude();
Assert.Equal(expected, actual);
}
public static void distance_point() {
var mls = new MultiLineString2(_lineStrings);
Assert.Equal(1, mls.Distance(new Point2(1, 2)));
Assert.Equal(1, mls.Distance(new Point2(3, 3)));
Assert.Equal(0, mls.Distance(new Point2(1, 0)));
Assert.Equal(0, mls.Distance(new Point2(5, 1)));
_lineStrings.SelectMany(ls => ls).Select(p => mls.Distance(p)).Should().OnlyContain(x => x == 0);
}
public static void intersects_point() {
var mls = new MultiLineString2(_lineStrings);
Assert.False(mls.Intersects(new Point2(1, 2)));
Assert.False(mls.Intersects(new Point2(3, 3)));
Assert.True(mls.Intersects(new Point2(1, 0)));
Assert.True(mls.Intersects(new Point2(5, 1)));
_lineStrings.SelectMany(ls => ls).All(p => mls.Intersects(p)).Should().BeTrue();
}
public static void distance_point()
{
var mls = new MultiLineString2(_lineStrings);
Assert.Equal(1, mls.Distance(new Point2(1, 2)));
Assert.Equal(1, mls.Distance(new Point2(3, 3)));
Assert.Equal(0, mls.Distance(new Point2(1, 0)));
Assert.Equal(0, mls.Distance(new Point2(5, 1)));
_lineStrings.SelectMany(ls => ls).Select(p => mls.Distance(p)).Should().OnlyContain(x => x == 0);
}
public static void intersects_point()
{
var mls = new MultiLineString2(_lineStrings);
Assert.False(mls.Intersects(new Point2(1, 2)));
Assert.False(mls.Intersects(new Point2(3, 3)));
Assert.True(mls.Intersects(new Point2(1, 0)));
Assert.True(mls.Intersects(new Point2(5, 1)));
_lineStrings.SelectMany(ls => ls).All(p => mls.Intersects(p)).Should().BeTrue();
}
public static void constructor_copy()
{
var mls = new MultiLineString2(_lineStrings);
Assert.Equal(3, mls.Count);
for (int i = 0; i < _lineStrings.Count; i++)
{
Assert.Equal(_lineStrings[i].Count, mls[i].Count);
}
}
public static void mbr() {
var mls = new MultiLineString2(_lineStrings);
var expected = mls.Skip(1).Aggregate(
new Mbr(mls.First().GetMbr()),
(mbr, l) => mbr.Encompass(l.GetMbr()));
var actual = mls.GetMbr();
Assert.Equal(expected, actual);
}
public static void mbr()
{
var mls = new MultiLineString2(_lineStrings);
var expected = mls.Skip(1).Aggregate(
new Mbr(mls.First().GetMbr()),
(mbr, l) => mbr.Encompass(l.GetMbr()));
var actual = mls.GetMbr();
Assert.Equal(expected, actual);
}
public static void centroid() {
var mls = new MultiLineString2(_lineStrings);
var magnitudeSum = 0.0;
var expected = (Point2)mls.Aggregate(new Vector2(), (p, ls) => {
var magnitude = ls.GetMagnitude();
magnitudeSum += magnitude;
var centroid = ls.GetCentroid();
return p + (new Vector2(centroid.X, centroid.Y).GetScaled(magnitude));
}).GetDivided(magnitudeSum);
var actual = mls.GetCentroid();
Assert.Equal(expected, actual);
}
public static void centroid()
{
var mls = new MultiLineString2(_lineStrings);
var magnitudeSum = 0.0;
var expected = (Point2)mls.Aggregate(new Vector2(), (p, ls) => {
var magnitude = ls.GetMagnitude();
magnitudeSum += magnitude;
var centroid = ls.GetCentroid();
return(p + (new Vector2(centroid.X, centroid.Y).GetScaled(magnitude)));
}).GetDivided(magnitudeSum);
var actual = mls.GetCentroid();
Assert.Equal(expected, actual);
}
public static void constructor_copy() {
var mls = new MultiLineString2(_lineStrings);
Assert.Equal(3, mls.Count);
for (int i = 0; i < _lineStrings.Count; i++) {
Assert.Equal(_lineStrings[i].Count, mls[i].Count);
}
}
public static void constructor_expected_capacity() {
var mls = new MultiLineString2(10);
Assert.Equal(0, mls.Count);
mls.GetMagnitude().Should().Be(Double.NaN);
}
public static void constructor_default() {
var mls = new MultiLineString2();
Assert.Equal(0, mls.Count);
mls.GetMagnitude().Should().Be(Double.NaN);
}
