def test_intersection_equal_circles(self):
"test intersection of equal circles"
circ1 = Circle()
circ2 = Circle()
self.assertTrue(circ1.intersects(circ2))
self.assertTrue(circ2.intersects(circ1))
def test_touching_intersection(self):
"test intersection of tangent circles"
circ1 = Circle()
circ2 = Circle(Vec2D(1, 0))
self.assertTrue(circ1.intersects(circ2))
self.assertTrue(circ2.intersects(circ1))
def test_circle_circle_intersection(self):
"test intersection of intersecting circles"
circ1 = Circle()
circ2 = Circle(Vec2D(0.5, 0))
self.assertTrue(circ1.intersects(circ2))
self.assertTrue(circ2.intersects(circ1))
def test_not_intersecting_circles(self):
"test intersection of not intersecting circles"
circ1 = Circle()
circ2 = Circle(Vec2D(10, 0))
self.assertFalse(circ1.intersects(circ2))
self.assertFalse(circ2.intersects(circ1))
def test_touching_intersection(self):
"test intersection of tangent circles"
circ1 = Circle()
circ2 = Circle(Vec2D(1, 0))
self.assertTrue(circ1.intersects(circ2))
self.assertTrue(circ2.intersects(circ1))
def test_intersection_equal_circles(self):
"test intersection of equal circles"
circ1 = Circle()
circ2 = Circle()
self.assertTrue(circ1.intersects(circ2))
self.assertTrue(circ2.intersects(circ1))
def test_not_intersecting_circles(self):
"test intersection of not intersecting circles"
circ1 = Circle()
circ2 = Circle(Vec2D(10, 0))
self.assertFalse(circ1.intersects(circ2))
self.assertFalse(circ2.intersects(circ1))
def test_circle_circle_intersection(self):
"test intersection of intersecting circles"
circ1 = Circle()
circ2 = Circle(Vec2D(0.5, 0))
self.assertTrue(circ1.intersects(circ2))
self.assertTrue(circ2.intersects(circ1))
def test_contains_impl_intersects(self):
"containment implies intersection"
circ1 = Circle()
circ2 = Circle(Vec2D(), 0.5)
self.assertTrue(circ1.contains_circle(circ2))
self.assertTrue(circ1.intersects(circ2))
self.assertTrue(circ2.intersects(circ1))
def test_contains_impl_intersects(self):
"containment implies intersection"
circ1 = Circle()
circ2 = Circle(Vec2D(), 0.5)
self.assertTrue(circ1.contains_circle(circ2))
self.assertTrue(circ1.intersects(circ2))
self.assertTrue(circ2.intersects(circ1))