public void test_IsSimple()
{
//create a geomerty collection
MultiLineString multiLS = CreateMLS();
Assertion.AssertEquals("IsSimple-1: ", false, multiLS.IsSimple());
//now try it with a null geometry collection
GeometryFactory gf = new GeometryFactory(_precMod, _sRID);
multiLS = gf.CreateMultiLineString(null);
Assertion.AssertEquals("IsSimple-2: ", true, multiLS.IsSimple());
//now try it with a different geometry collection
multiLS = CreateMLS1();
//TODO: This is really slow!!!!!!!!! Why?
//Assertion.AssertEquals("IsSimple-3: ", false, multiLS.IsSimple());
//now try it with a mixed geometry collection
multiLS = nonSimpleMLS();
Assertion.AssertEquals("IsSimple-4: ", false, multiLS.IsSimple());
//now try it with a closed geometry collection
multiLS = closedMLS();
//TODO: Uncomment when IsSimple is working.
Assertion.AssertEquals("IsSimple-5: ", true, multiLS.IsSimple());
}