From: Brian Candler <b.candler@...>
Date: 2010-09-27T22:55:32+09:00
Subject: Re: error message, undefined method in Set

Iain Barnett wrote:
> Any help on this is much appreciated, as I've no idea what to try next.

It is possible that there is another Set class defined somewhere. Try:

  puts Set.to_s   # does this show "Set" or "Foo::Set" ?

  assert_equal Set, ::Set, "Using Set not at the top level!"

Otherwise, you could copy your test file to another name, and keep 
trimming it until you get the smallest possible file which reproduces 
the problem, then post that file here.

I don't recognise "test_construction(TestTask)" so I don't know what 
test framework you're using. Good ol' Test::Unit looks fine to me:


require 'test/unit'
require 'set'
class TestSet < Test::Unit::TestCase
  def test_set
    set = Set.new
    assert_nothing_raised do
      set << 1
      set << 2
    end
    assert set.include?(2)
    assert !set.include?(3)
  end
end



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1 tests, 3 assertions, 0 failures, 0 errors
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