protected virtual void TestCircle(double x, double y, double dist)
{
ICircle c = ctx.MakeCircle(x, y, dist);
String msg = c.ToString();
ICircle c2 = ctx.MakeCircle(ctx.MakePoint(x, y), dist);
Assert.Equal(c, c2);
Assert.Equal(c.GetHashCode(), c2.GetHashCode());
Assert.Equal(/*msg,*/ dist > 0, c.HasArea);
double area = c.GetArea(ctx);
Assert.True(/*msg,*/ c.HasArea == (area > 0.0));
IRectangle bbox = c.BoundingBox;
Assert.Equal(/*msg,*/ dist > 0, bbox.GetArea(ctx) > 0);
Assert.True(area <= bbox.GetArea(ctx));
if (!ctx.IsGeo)
{
//if not geo then units of dist == units of x,y
AssertEqualsRatio(msg, bbox.Height, dist * 2);
AssertEqualsRatio(msg, bbox.Width, dist * 2);
}
AssertRelation(msg, SpatialRelation.CONTAINS, c, c.Center);
AssertRelation(msg, SpatialRelation.CONTAINS, bbox, c);
}