1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
|
puts "1..10"
$tst = -1
class Point
def initialize(x, y)
puts "ok #{ $tst = $tst + 2 } - Point.initialize called"
@x = x
@y = y
end
def x; @x ; end
def y; @y ; end
def radius; (x * @x + y * @y) ** 0.5; end
end
class Point3D < Point
def initialize(x, y, z)
puts "ok 2 - Point3D.initialize called"
super(x, y)
@z = z
end
def z; @z ; end
def radius; (x * @x + y * @y + z * @z) ** 0.5; end
end
obj_2d = Point.new(10, 20)
obj_3d = Point3D.new(15, 25, 35)
puts "#{obj_2d.x == 10 ? 'ok' : 'nok'} 4 - 2d obj x"
puts "#{obj_2d.y == 20 ? 'ok' : 'nok'} 5 - 2d obj y"
t2 = obj_2d.radius
puts "#{t2 > 22 && t2 < 23 ? 'ok' : 'nok'} 6 - radius 2d (approx)"
puts "#{obj_3d.x == 15 ? 'ok' : 'nok'} 7 - 3d obj x"
puts "#{obj_3d.y == 25 ? 'ok' : 'nok'} 8 - 3d obj y"
puts "#{obj_3d.z == 35 ? 'ok' : 'nok'} 9 - 3d obj z"
t3 = obj_3d.radius
puts "#{t3 > 45 && t3 < 46 ? 'ok' : 'nok'} 10 - radius 3d (approx)"
|
