Possible JRuby bug

jruby_windows_expand_path_test.rb

require 'minitest/autorun'

describe 'File.expand_path under windows' do
  describe 'when given a path using backslashes' do
    before { @unc_path = '\\Machine\Share\resource' }
    
    it 'expands to the correct path when given a UNC network path and a relative path' do
      File.expand_path('..', @unc_path).must_equal('//Machine/Share')
    end

    it 'expands to the same path when given a UNC path only' do
      File.expand_path(@unc_path).must_equal('//Machine/Share/resource')
    end
  end

  describe 'when given a path using forward slashes' do
    before { @unc_path = '//Machine/Share/resource' }

    it 'expands to the correct path when given a UNC network path and a relative path' do
      File.expand_path('..', @unc_path).must_equal('//Machine/Share')
    end

    it 'expands to the same path when given a UNC path only' do
      File.expand_path(@unc_path).must_equal('//Machine/Share/resource')
    end
  end
end

# Running tests:

# FFF.

# Finished tests in 0.047000s, 85.1064 tests/s, 85.1064 assertions/s.

#   1) Failure:
# test_0001_expands_to_the_correct_path_when_given_a_unc_network_path_and_a_relative_path(File.expand_path under windows::when given a path using backslashes) [jruby_expand_path_test.rb:8]:
# Expected: "//Machine/Share"
#   Actual: "C:/Machine/Share"

#   2) Failure:
# test_0002_expands_to_the_same_path_when_given_a_unc_path_only(File.expand_path under windows::when given a path using backslashes) [jruby_expand_path_test.rb:12]:
# Expected: "//Machine/Share/resource"
#   Actual: "C:/Machine/Share/resource"

#   3) Failure:
# test_0001_expands_to_the_correct_path_when_given_a_unc_network_path_and_a_relative_path(File.expand_path under windows::when given a path using forward slashes) [jruby_expand_path_test.rb:20]:
# Expected: "//Machine/Share"
#   Actual: "C:/Work/Machine/Share"

# 4 tests, 4 assertions, 3 failures, 0 errors, 0 skips