require File.dirname(__FILE__) + '/helper'
 
class TestSystemProcess < Test::Unit::TestCase
  def setup
    pid = Process.pid
    @process = System::Process.new(pid)
  end
  
  def test_exists_should_return_true_for_running_process
    assert_equal true, @process.exists?
  end
  
  def test_exists_should_return_false_for_non_existant_process
    assert_equal false, System::Process.new(9999999).exists?
  end
  
  def test_memory
    assert_kind_of Integer, @process.memory
    assert @process.memory > 0
  end
  
  def test_percent_memory
    assert_kind_of Float, @process.percent_memory
  end
  
  def test_percent_cpu
    assert_kind_of Float, @process.percent_cpu
  end
end