MultiLinestringsTests.cs :  » GIS » SharpMap » UnitTests » Geometries » C# / CSharp Open Source

using NUnit.Framework;
using SharpMap.Geometries;

namespace UnitTests.Geometries{
    [TestFixture]
    public class MultiLinestringsTests
    {
        private LineString CreateLineString()
        {
            LineString ls = new LineString();
            ls.Vertices.Add(new Point(1, 2));
            ls.Vertices.Add(new Point(10, 22));
            ls.Vertices.Add(new Point(930, 123));
            return ls;
        }

        [Test]
        public void MultiLinestring()
        {
            MultiLineString mls = new MultiLineString();
            Assert.IsTrue(mls.IsEmpty());
            mls.LineStrings.Add(new LineString());
            Assert.IsTrue(mls.IsEmpty());
            mls.LineStrings[0].Vertices.Add(new Point(45, 68));
            mls.LineStrings[0].Vertices.Add(new Point(82, 44));
            mls.LineStrings.Add(CreateLineString());
            foreach (LineString ls in mls)
                Assert.IsFalse(ls.IsEmpty());
            Assert.IsFalse(mls.IsEmpty());
            foreach (LineString ls in mls)
                Assert.IsFalse(ls.IsClosed);
            Assert.IsFalse(mls.IsClosed);
            //Close linestrings
            foreach (LineString ls in mls)
                ls.Vertices.Add(ls.StartPoint.Clone());
            foreach (LineString ls in mls)
                Assert.IsTrue(ls.IsClosed);
            Assert.IsTrue(mls.IsClosed);
            Assert.AreEqual(new BoundingBox(1, 2, 930, 123), mls.GetBoundingBox());
        }
    }
}