Import RubyGems trunk revision 1493.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@13862 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

test/rubygems/test_gem_doc_manager.rb

@@ -0,0 +1,32 @@
+#--
+# Copyright 2006 by Chad Fowler, Rich Kilmer, Jim Weirich and others.
+# All rights reserved.
+# See LICENSE.txt for permissions.
+#++
+
+require 'test/unit'
+require File.join(File.expand_path(File.dirname(__FILE__)), 'gemutilities')
+require 'rubygems/doc_manager'
+
+class TestGemDocManager < RubyGemTestCase
+
+  def setup
+    super
+
+    @spec = quick_gem 'a'
+    @manager = Gem::DocManager.new(@spec)
+  end
+
+  def test_uninstall_doc_unwritable
+    orig_mode = File.stat(@spec.installation_path).mode
+    File.chmod 0, @spec.installation_path
+
+    assert_raise Gem::FilePermissionError do
+      @manager.uninstall_doc
+    end
+  ensure
+    File.chmod orig_mode, @spec.installation_path
+  end
+
+end
+