summaryrefslogtreecommitdiffstats
path: root/test/ruby/test_gc.rb
blob: 72c38e4b2734cd3cc67e68b085ba9a9bc878a39f (plain)
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
require 'test/unit'

class TestGc < Test::Unit::TestCase
  class S
    def initialize(a)
      @a = a
    end
  end

  def test_gc
    prev_stress = GC.stress
    GC.stress = false
    
    assert_nothing_raised do
      1.upto(10000) {
        tmp = [0,1,2,3,4,5,6,7,8,9]
      }
      tmp = nil
    end
    l=nil
    100000.times {
      l = S.new(l)
    }
    GC.start
    assert true   # reach here or dumps core
    l = []
    100000.times {
      l.push([l])
    }
    GC.start
    assert true   # reach here or dumps core

    GC.stress = prev_stress
  end
end