Contents

#!/usr/bin/env ruby

# swap.rb
# Array#swap! unit tests

require 'test/unit'

require 'pathname'
dir = Pathname.new(File.expand_path(__FILE__)).realpath
require File.join(File.dirname(dir.to_s), '../lib/rex')

class SwapTests < Test::Unit::TestCase
  def test_swap_nil
    expected = [nil,nil]
    actual = nil

    assert_nothing_raised do
      actual = []
      actual.swap!(0,1)
    end

    assert_not_nil(actual)
    assert_instance_of(Array, actual)
    assert_equal(false, actual.empty?)
    assert_equal(2, actual.size)
    assert_equal(expected, actual)
  end

  def test_swap_321
    expected = [3,2,1]
    actual = nil

    assert_nothing_raised do
      actual = [1,2,3]
      actual.swap!(0,2)
    end

    assert_not_nil(actual)
    assert_instance_of(Array, actual)
    assert_equal(false, actual.empty?)
    assert_equal(3, actual.size)
    assert_equal(expected, actual)
  end
end

Version data entries

1 entries across 1 versions & 1 rubygems

Version	Path
rex-0.0.4	test/swap.rb