-prop_x_rotation_doesnt_affect_front :: Tetrahedron -> Bool
-prop_x_rotation_doesnt_affect_front t =
- expr1 == expr2
- where
- fv0 = Tetrahedron.fv t
- fv1 = rotate cwx (Tetrahedron.fv t)
- expr1 = front fv0
- expr2 = front fv1
-
-prop_x_rotation_doesnt_affect_back :: Tetrahedron -> Bool
-prop_x_rotation_doesnt_affect_back t =
- expr1 == expr2
- where
- fv0 = Tetrahedron.fv t
- fv1 = rotate cwx (Tetrahedron.fv t)
- expr1 = back fv0
- expr2 = back fv1
-
-
-prop_y_rotation_doesnt_affect_left :: Tetrahedron -> Bool
-prop_y_rotation_doesnt_affect_left t =
- expr1 == expr2
- where
- fv0 = Tetrahedron.fv t
- fv1 = rotate cwy (Tetrahedron.fv t)
- expr1 = left fv0
- expr2 = left fv1
-
-prop_y_rotation_doesnt_affect_right :: Tetrahedron -> Bool
-prop_y_rotation_doesnt_affect_right t =
- expr1 == expr2
- where
- fv0 = Tetrahedron.fv t
- fv1 = rotate cwy (Tetrahedron.fv t)
- expr1 = right fv0
- expr2 = right fv1
-
-
-prop_z_rotation_doesnt_affect_down :: Tetrahedron -> Bool
-prop_z_rotation_doesnt_affect_down t =
- expr1 == expr2
- where
- fv0 = Tetrahedron.fv t
- fv1 = rotate cwz (Tetrahedron.fv t)
- expr1 = down fv0
- expr2 = down fv1
-
-
-prop_z_rotation_doesnt_affect_top :: Tetrahedron -> Bool
-prop_z_rotation_doesnt_affect_top t =
- expr1 == expr2
- where
- fv0 = Tetrahedron.fv t
- fv1 = rotate cwz (Tetrahedron.fv t)
- expr1 = top fv0
- expr2 = top fv1