test/test_tmpdir.rb


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require 'test/unit'
require 'tmpdir'

class TestTmpdir < Test::Unit::TestCase
  def test_world_writable
    skip "no meaning on this platform" if /mswin|mingw/ =~ RUBY_PLATFORM
    Dir.mktmpdir do |tmpdir|
      # ToDo: fix for parallel test
      olddir, ENV["TMPDIR"] = ENV["TMPDIR"], tmpdir
      begin
        assert_equal(tmpdir, Dir.tmpdir)
        File.chmod(0777, tmpdir)
        assert_not_equal(tmpdir, Dir.tmpdir)
        File.chmod(01777, tmpdir)
        assert_equal(tmpdir, Dir.tmpdir)
      ensure
        ENV["TMPDIR"] = olddir
      end
    end
  end
end