test/geometry/circle.rb in geometry-6.2 vs test/geometry/circle.rb in geometry-6.3

@@ -86,16 +86,52 @@
 	end
 
 	it "must calculate the correct radius" do
 	    circle.radius.must_equal 2
 	end
+
+	it 'must have the correct min values' do
+	    circle.min.must_equal Point[-2, -2]
+	    circle.min.must_be_instance_of Geometry::PointIso
+	end
+
+	it 'must have the correct max values' do
+	    circle.max.must_equal Point[2, 2]
+	    circle.max.must_be_instance_of Geometry::PointIso
+	end
+
+	it 'must have the correct minmax values' do
+	    circle.minmax.must_equal [Point[-2, -2], Point[2,2]]
+	end
     end
 
+    describe 'when constructed with a Rational diameter and no center' do
+	let(:circle) { Circle.new :diameter => Rational(5,3) }
+
+	it 'must have the correct min values' do
+	    circle.min.must_equal Point[-5/6, -5/6]
+	    circle.min.must_be_instance_of Geometry::PointIso
+	end
+
+	it 'must have the correct max values' do
+	    circle.max.must_equal Point[5/6, 5/6]
+	    circle.max.must_be_instance_of Geometry::PointIso
+	end
+
+	it 'must have the correct minmax values' do
+	    circle.minmax.must_equal [Point[-5/6, -5/6], Point[5/6,5/6]]
+	end
+    end
+
     describe "properties" do
 	subject { Circle.new center:[1,2], :diameter => 4 }
 
 	it "must have a bounds property that returns a Rectangle" do
 	    subject.bounds.must_equal Rectangle.new([-1,0], [3,4])
+	end
+
+	it 'must always be closed' do
+	    subject.closed?.must_equal true
 	end
 
 	it "must have a minmax property that returns the corners of the bounding rectangle" do
 	    subject.minmax.must_equal [Point[-1,0], Point[3,4]]
 	end