# $Id$
# Copyright (C) 2005  Shugo Maeda <shugo@ruby-lang.org>
# All rights reserved.
#
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# modification, are permitted provided that the following conditions
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# 2. Redistributions in binary form must reproduce the above copyright
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require File.expand_path("test-helper", File.dirname(__FILE__))

class XimapdSequenceTest < Test::Unit::TestCase
  include XimapdTestMixin

  def test_current
    path = File.expand_path("uid.seq", @tmpdir)
    seq = Ximapd::Sequence.new(path)
    assert_equal(nil, seq.current)
    seq.next
    assert_equal(1, seq.current)
    assert_equal(1, seq.current)
    seq.next
    assert_equal(2, seq.current)
    assert_equal(2, seq.current)

    seq2 = Ximapd::Sequence.new(path)
    assert_equal(2, seq2.current)
  end

  def test_current=
    path = File.expand_path("uid.seq", @tmpdir)
    seq = Ximapd::Sequence.new(path)
    assert_equal(nil, seq.current)
    seq.current = 5
    assert_equal(5, seq.current)
    seq.current = 10
    seq2 = Ximapd::Sequence.new(path)
    assert_equal(10, seq2.current)
  end

  def test_next
    path = File.expand_path("uid.seq", @tmpdir)
    seq = Ximapd::Sequence.new(path)
    assert_equal(1, seq.next)
    assert_equal(2, seq.next)

    seq2 = Ximapd::Sequence.new(path)
    assert_equal(3, seq2.next)
  end

  def test_peek_next
    path = File.expand_path("uid.seq", @tmpdir)
    seq = Ximapd::Sequence.new(path)
    assert_equal(1, seq.peek_next)
    seq.next
    assert_equal(2, seq.peek_next)
    assert_equal(2, seq.peek_next)

    seq2 = Ximapd::Sequence.new(path)
    assert_equal(2, seq2.peek_next)
  end
end