Fix some test failures in RubyGems.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@14638 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

ChangeLog

@@ -1,3 +1,9 @@
+Tue Dec 25 08:27:43 2007  Eric Hodel  <drbrain@segment7.net>
+
+	* lib/rubygems.rb:  Fix test failures.
+
+	* test/rubygems/test_gem.rb:  Fix test failure.
+
 Tue Dec 25 06:23:40 2007  Koichi Sasada  <ko1@atdot.net>
 
 	* bootstraptest/test_knownbug.rb, test_literal.rb: move fixed test.

lib/rubygems.rb

@@ -345,9 +345,15 @@ module Gem
       end
 
       sitelibdir = ConfigMap[:sitelibdir]
+      sitelibdir_index = $LOAD_PATH.index sitelibdir
 
+      if sitelibdir_index then
         # gem directories must come after -I and ENV['RUBYLIB']
-      $:.insert($:.index(sitelibdir), *require_paths)
+        $LOAD_PATH.insert(sitelibdir_index, *require_paths)
+      else
+        # we are probably testing in core, -I and RUBYLIB don't apply
+        $LOAD_PATH.unshift(*require_paths)
+      end
 
       # Now autorequire
       if autorequire && spec.autorequire then # DEPRECATED

test/rubygems/test_gem.rb

@@ -280,7 +280,9 @@ class TestGem < RubyGemTestCase
 
   def test_self_prefix
     file_name = File.expand_path __FILE__
-    assert_equal File.dirname(File.dirname(file_name)), Gem.prefix
+    expected = File.dirname File.dirname(file_name)
+    expected = File.dirname expected if expected =~ %r|/test| # for Ruby trunk
+    assert_equal expected, Gem.prefix
   end
 
   def test_self_required_location