added tests for File.file? with native.enabled=false

complements the fix for #2032 with a test case for testing File.exists?,
File.directory? and File.file? executing jruby without native enabled.

Sponsord by Lookout Inc.

test/test_file.rb

@@ -1,12 +1,14 @@
 # -*- coding: utf-8 -*-
 require 'test/unit'
+require 'test/test_helper'
 require 'rbconfig'
 require 'fileutils'
 require 'tempfile'
 require 'pathname'
 require 'jruby'
 
 class TestFile < Test::Unit::TestCase
+  include TestHelper
   WINDOWS = RbConfig::CONFIG['host_os'] =~ /Windows|mswin/
 
   def setup
@@ -461,13 +463,31 @@ def test_mkdir
     end
   end
 
+  def test_directory_query # - directory?
+    begin
+      Dir.mkdir("dir_tmp")
+      assert(File.directory?("dir_tmp"))
+      assert(! File.directory?("test/test_file.rb"))
+      assert(! File.directory?("dir_not_tmp"))
+      result = jruby("-e 'print File.directory?(\"dir_not_tmp\");print File.directory?(\"dir_tmp\");print File.directory?(\"test/test_file.rb\")'", 'jruby.native.enabled' => 'false')
+      assert(result == 'falsetruefalse')
+    ensure
+      Dir.rmdir("dir_tmp")
+    end
+  end
+
   def test_file_query # - file?
     assert(File.file?('test/test_file.rb'))
     assert(! File.file?('test'))
+    assert(! File.file?('test_not'))
+    result = jruby("-e 'print File.file?(\"test_not\");print File.file?(\"test\");print File.file?(\"test/test_file.rb\")'", 'jruby.native.enabled' => 'false' )
+    assert(result == 'falsefalsetrue')
   end
 
   def test_file_exist_query
     assert(File.exist?('test'))
+    assert(! File.exist?('test_not'))
+    assert(jruby("-e 'print File.exists?(\"test_not\");print File.exists?(\"test\")'", 'jruby.native.enabled' => 'false' ) == 'falsetrue')
   end
 
   def test_file_exist_in_jar_file

test/test_helper.rb

@@ -6,7 +6,8 @@ module TestHelper
   # TODO: Consider how this should work if we have --windows or similiar
   WINDOWS = RbConfig::CONFIG['host_os'] =~ /Windows|mswin/
   SEPARATOR = WINDOWS ? '\\' : '/'
-  RUBY = if RbConfig::CONFIG['bindir'].match( /!\//) || RbConfig::CONFIG['bindir'].match( /:\//)
+  IS_JAR_EXECUTION = RbConfig::CONFIG['bindir'].match( /!\//) || RbConfig::CONFIG['bindir'].match( /:\//)
+  RUBY = if IS_JAR_EXECUTION
            exe = 'java'
            exe += RbConfig::CONFIG['EXEEXT'] if RbConfig::CONFIG['EXEEXT']
            file = File.expand_path('maven/jruby-complete/target/jruby-complete-*.jar')
@@ -39,7 +40,18 @@ def q
   end
 
   def jruby(*args)
-    ruby = RUBY.sub(/-cp [.]/, "-cp #{ENV["CLASSPATH"]}")
+    options = []
+    if args.last.is_a? Hash
+      options = args.last.collect { |k,v| "-D#{k}=\"#{v}\"" }
+      args = args[0..-2]
+    end
+    if RUBY =~ /-cp /
+      ruby = RUBY.sub(/-cp [.]/, "-cp #{ENV["CLASSPATH"]}")
+        .sub(/-cp /, options.join(' ') + ' -cp ')
+    else
+      options.each { |a| args.unshift "-J#{a}" }
+      ruby = RUBY
+    end
     with_jruby_shell_spawning { `#{ruby} #{args.join(' ')}` }
   end