From: Alex Young <alex@...>
Date: 2006-07-07T16:57:27+09:00
Subject: Re: GC oddness

Yohanes Santoso wrote:
<snip>
> It does not fail on me:
> 
> require 'test/unit'
> require 'fileutils'
> 
> class TestDir
>    @@dir = nil
>    @@clearup = proc {|id| FileUtils.rm_rf(@@dir); puts "Cleaned"}
> 
>    def TestDir.set_finalizer(testdir, dir)
>      @@dir = dir
>      ObjectSpace.define_finalizer(testdir, @@clearup)
>    end
>    def initialize(dir)
>      FileUtils.mkdir(dir)
>      TestDir.set_finalizer(self, dir)
>    end
> end
> 
> class DestroyTest < Test::Unit::TestCase
>    def test_destroy
>      a = TestDir.new('test_dir')
>      a = nil
>      GC.start
>      puts "GC invoked"
>      assert !File.directory?('test_dir')
>      puts "Done"
>    end
> end
> 
> 
> $ ruby ./gc.rb
> Loaded suite ./gc
> Started
> Cleaned
> GC invoked
> Done
> .
> Finished in 0.015623 seconds.
> 
> 1 tests, 1 assertions, 0 failures, 0 errors
That's...  odd.

> $ ruby -v
> ruby 1.8.4 (2005-12-24) [i386-linux]
> 
> Which OS and ruby are you using?

$ ruby -v
ruby 1.8.4 (2005-12-24) [i486-linux]

It's on Ubuntu 5.10.

-- 
Alex