rails--rails/activerecord/test/empty_date_time_test.rb

require 'abstract_unit'
require 'fixtures/topic'
require 'fixtures/task'

class EmptyDateTimeTest < Test::Unit::TestCase
  def test_assign_empty_date_time
    task = Task.new
    task.starting = ''
    task.ending = nil
    assert_nil task.starting
    assert_nil task.ending
  end

  def test_assign_empty_date
    topic = Topic.new
    topic.last_read = ''
    assert_nil topic.last_read
  end

  def test_assign_empty_time
    topic = Topic.new
    topic.bonus_time = ''
    assert_nil topic.bonus_time
  end
end