Import rubygems 1.8.5 (released @ 137c80f)

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@31885 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 264 insertions, 173 deletions

diff --git a/test/rubygems/test_gem_specification.rb b/test/rubygems/test_gem_specification.rb
index d7f5772259..ef52f0a50e 100644
--- a/test/rubygems/test_gem_specification.rb
+++ b/test/rubygems/test_gem_specification.rb
@@ -35,8 +35,8 @@ Gem::Specification.new do |s|
   s.version = %q{0.4.0}
   s.has_rdoc = true
   s.summary = %q{A Hash which automatically computes keys.}
-  s.files = ["lib/keyedlist.rb"]
-  s.require_paths = ["lib"]
+  s.files = [%q{lib/keyedlist.rb}]
+  s.require_paths = [%q{lib}]
   s.autorequire = %q{keyedlist}
   s.author = %q{Florian Gross}
   s.email = %q{flgr@ccan.de}
@@ -46,11 +46,9 @@ end
   def setup
     super
 
-    # TODO: there is no reason why the spec tests need to write to disk
-    @a1 = quick_gem 'a', '1' do |s|
+    @a1 = quick_spec 'a', '1' do |s|
       s.executable = 'exec'
       s.extensions << 'ext/a/extconf.rb'
-      s.has_rdoc = 'true'
       s.test_file = 'test/suite.rb'
       s.requirements << 'A working computer'
       s.rubyforge_project = 'example'
@@ -64,15 +62,10 @@ end
       s.files = %w[lib/code.rb]
     end
 
-    @a2 = quick_gem 'a', '2' do |s|
+    @a2 = quick_spec 'a', '2' do |s|
       s.files = %w[lib/code.rb]
     end
 
-    FileUtils.mkdir_p File.join(@tempdir, 'bin')
-    File.open File.join(@tempdir, 'bin', 'exec'), 'w' do |fp|
-      fp.puts "#!#{Gem.ruby}"
-    end
-
     @current_version = Gem::Specification::CURRENT_SPECIFICATION_VERSION
   end
 
@@ -83,7 +76,6 @@ end
       bindir
       cert_chain
       date
-      default_executable
       dependencies
       description
       email
@@ -91,7 +83,6 @@ end
       extensions
       extra_rdoc_files
       files
-      has_rdoc
       homepage
       licenses
       name
@@ -129,18 +120,39 @@ end
     assert_equal @current_version, new_spec.specification_version
   end
 
+  def test_self_from_yaml_syck_bug
+    # This is equivalent to (and totally valid) psych 1.0 output and
+    # causes parse errors on syck.
+    yaml = @a1.to_yaml
+    yaml.sub!(/^date:.*/, "date: 2011-04-26 00:00:00.000000000Z")
+
+    new_spec = with_syck do
+      Gem::Specification.from_yaml yaml
+    end
+
+    assert_kind_of Time, @a1.date
+    assert_kind_of Time, new_spec.date
+  end
+
   def test_self_load
-    spec = File.join @gemhome, 'specifications', @a2.spec_name
-    gs = Gem::Specification.load spec
+    full_path = @a2.spec_file
+    write_file full_path do |io|
+      io.write @a2.to_ruby_for_cache
+    end
+
+    spec = Gem::Specification.load full_path
+
+    @a2.files.clear
 
-    assert_equal @a2, gs
+    assert_equal @a2, spec
   end
 
   def test_self_load_legacy_ruby
-    spec = eval LEGACY_RUBY_SPEC
+    spec = Deprecate.skip_during do
+      eval LEGACY_RUBY_SPEC
+    end
     assert_equal 'keyedlist', spec.name
     assert_equal '0.4.0', spec.version.to_s
-    assert_equal true, spec.has_rdoc?
     assert_equal Gem::Specification::TODAY, spec.date
     assert spec.required_ruby_version.satisfied_by?(Gem::Version.new('1'))
     assert_equal false, spec.has_unit_tests?
@@ -195,8 +207,6 @@ end
     assert_equal [], spec.requirements
     assert_equal [], spec.dependencies
     assert_equal 'bin', spec.bindir
-    assert_equal true, spec.has_rdoc
-    assert_equal true, spec.has_rdoc?
     assert_equal '>= 0', spec.required_ruby_version.to_s
     assert_equal '>= 0', spec.required_rubygems_version.to_s
   end
@@ -279,9 +289,6 @@ end
     assert_equal 'bin', spec.bindir
     assert_same spec.bindir, new_spec.bindir
 
-    assert_equal true, spec.has_rdoc
-    assert_same spec.has_rdoc, new_spec.has_rdoc
-
     assert_equal '>= 0', spec.required_ruby_version.to_s
     assert_same spec.required_ruby_version, new_spec.required_ruby_version
 
@@ -290,6 +297,23 @@ end
                 new_spec.required_rubygems_version
   end
 
+  def test_initialize_copy_broken
+    spec = Gem::Specification.new do |s|
+      s.name = 'a'
+      s.version = '1'
+    end
+
+    spec.instance_variable_set :@licenses, :blah
+    spec.loaded_from = '/path/to/file'
+
+    e = assert_raises Gem::FormatException do
+      spec.dup
+    end
+
+    assert_equal 'a-1 has an invalid value for @licenses', e.message
+    assert_equal '/path/to/file', e.file_path
+  end
+
   def test__dump
     @a2.platform = Gem::Platform.local
     @a2.instance_variable_set :@original_platform, 'old_platform'
@@ -338,37 +362,33 @@ end
 
   def test_date_equals_date
     @a1.date = Date.new(2003, 9, 17)
-    assert_equal Time.local(2003, 9, 17, 0,0,0), @a1.date
+    assert_equal Time.utc(2003, 9, 17, 0,0,0), @a1.date
   end
 
   def test_date_equals_string
     @a1.date = '2003-09-17'
-    assert_equal Time.local(2003, 9, 17, 0,0,0), @a1.date
+    assert_equal Time.utc(2003, 9, 17, 0,0,0), @a1.date
+  end
+
+  def test_date_equals_string_bad
+    assert_raises Gem::InvalidSpecificationException do
+      @a1.date = '9/11/2003'
+    end
   end
 
   def test_date_equals_time
     @a1.date = Time.local(2003, 9, 17, 0,0,0)
-    assert_equal Time.local(2003, 9, 17, 0,0,0), @a1.date
+    assert_equal Time.utc(2003, 9, 17, 0,0,0), @a1.date
   end
 
   def test_date_equals_time_local
-    # HACK PDT
-    @a1.date = Time.local(2003, 9, 17, 19,50,0)
-    assert_equal Time.local(2003, 9, 17, 0,0,0), @a1.date
+    @a1.date = Time.local(2003, 9, 17, 19,50,0) # may not pass in utc >= +4
+    assert_equal Time.utc(2003, 9, 17, 0,0,0), @a1.date
   end
 
   def test_date_equals_time_utc
-    # HACK PDT
-    @a1.date = Time.local(2003, 9, 17, 19,50,0)
-    assert_equal Time.local(2003, 9, 17, 0,0,0), @a1.date
-  end
-
-  def test_default_executable
-    assert_equal 'exec', @a1.default_executable
-
-    @a1.default_executable = nil
-    @a1.instance_variable_set :@executables, nil
-    assert_equal nil, @a1.default_executable
+    @a1.date = Time.utc(2003, 9, 17, 19,50,0)
+    assert_equal Time.utc(2003, 9, 17, 0,0,0), @a1.date
   end
 
   def test_dependencies
@@ -391,60 +411,20 @@ end
   end
 
   def test_eql_eh
-    g1 = quick_spec 'gem'
-    g2 = quick_spec 'gem'
+    g1 = new_spec 'gem', 1
+    g2 = new_spec 'gem', 1
 
     assert_equal g1, g2
     assert_equal g1.hash, g2.hash
     assert_equal true, g1.eql?(g2)
   end
 
-  def test_equals2
-    assert_equal @a1, @a1
-    assert_equal @a1, @a1.dup
-    refute_equal @a1, @a2
-    refute_equal @a1, Object.new
-  end
-
-  # The cgikit specification was reported to be causing trouble in at least
-  # one version of RubyGems, so we test explicitly for it.
-  def test_equals2_cgikit
-    cgikit = Gem::Specification.new do |s|
-      s.name = %q{cgikit}
-      s.version = "1.1.0"
-      s.date = %q{2004-03-13}
-      s.summary = %q{CGIKit is a componented-oriented web application } +
-      %q{framework like Apple Computers WebObjects.  } +
-      %{This framework services Model-View-Controller architecture } +
-      %q{programming by components based on a HTML file, a definition } +
-      %q{file and a Ruby source.  }
-      s.email = %q{info@spice-of-life.net}
-      s.homepage = %q{http://www.spice-of-life.net/download/cgikit/}
-      s.autorequire = %q{cgikit}
-      s.bindir = nil
-      s.has_rdoc = true
-      s.required_ruby_version = nil
-      s.platform = nil
-      s.files = ["lib/cgikit", "lib/cgikit.rb", "lib/cgikit/components", "..."]
-    end
-
-    assert_equal cgikit, cgikit
-  end
-
-  def test_equals2_default_executable
-    spec = @a1.dup
-    spec.default_executable = 'xx'
-
-    refute_equal @a1, spec
-    refute_equal spec, @a1
-  end
-
-  def test_equals2_extensions
+  def test_eql_eh_extensions
     spec = @a1.dup
     spec.extensions = 'xx'
 
-    refute_equal @a1, spec
-    refute_equal spec, @a1
+    refute_operator @a1, :eql?, spec
+    refute_operator spec, :eql?, @a1
   end
 
   def test_executables
@@ -542,9 +522,26 @@ end
     assert_kind_of Integer, @a1.hash
   end
 
+  def test_for_cache
+    @a2.add_runtime_dependency 'b', '1'
+    @a2.dependencies.first.instance_variable_set :@type, nil
+    @a2.required_rubygems_version = Gem::Requirement.new '> 0'
+    @a2.test_files = %w[test/test_b.rb]
+
+    refute_empty @a2.files
+    refute_empty @a2.test_files
+
+    spec = @a2.for_cache
+
+    assert_empty spec.files
+    assert_empty spec.test_files
+
+    refute_empty @a2.files
+    refute_empty @a2.test_files
+  end
+
   def test_full_gem_path
-    assert_equal File.join(@gemhome, 'gems', @a1.full_name),
-                 @a1.full_gem_path
+    assert_equal File.join(@gemhome, 'gems', @a1.full_name), @a1.full_gem_path
 
     @a1.original_platform = 'mswin32'
 
@@ -553,11 +550,11 @@ end
   end
 
   def test_full_gem_path_double_slash
-    gemhome = @gemhome.sub(/\w\//, '\&/')
-    @a1.loaded_from = File.join gemhome, 'specifications', @a1.spec_name
+    gemhome = @gemhome.to_s.sub(/\w\//, '\&/')
+    @a1.loaded_from = File.join gemhome, "specifications", @a1.spec_name
 
-    assert_equal File.join(@gemhome, 'gems', @a1.full_name),
-                 @a1.full_gem_path
+    expected = File.join @gemhome, "gems", @a1.full_name
+    assert_equal expected, @a1.full_gem_path
   end
 
   def test_full_name
@@ -589,21 +586,6 @@ end
     end
   end
 
-  def test_has_rdoc_eh
-    assert @a1.has_rdoc?
-  end
-
-  def test_has_rdoc_equals
-
-    use_ui @ui do
-      @a1.has_rdoc = false
-    end
-
-    assert_equal '', @ui.output
-
-    assert_equal true, @a1.has_rdoc
-  end
-
   def test_hash
     assert_equal @a1.hash, @a1.hash
     assert_equal @a1.hash, @a1.dup.hash
@@ -611,15 +593,14 @@ end
   end
 
   def test_installation_path
-    assert_equal @gemhome, @a1.installation_path
+    Deprecate.skip_during do
+      assert_equal @gemhome, @a1.installation_path
 
-    @a1.instance_variable_set :@loaded_from, nil
+      @a1.instance_variable_set :@loaded_from, nil
+      @a1.instance_variable_set :@loaded, false
 
-    e = assert_raises Gem::Exception do
-      @a1.installation_path
+      assert_nil @a1.installation_path
     end
-
-    assert_equal 'spec a-1 is not from an installed gem', e.message
   end
 
   def test_lib_files
@@ -717,8 +698,8 @@ end
   end
 
   def test_spaceship_name
-    s1 = quick_spec 'a', '1'
-    s2 = quick_spec 'b', '1'
+    s1 = new_spec 'a', '1'
+    s2 = new_spec 'b', '1'
 
     assert_equal(-1, (s1 <=> s2))
     assert_equal( 0, (s1 <=> s1))
@@ -726,8 +707,8 @@ end
   end
 
   def test_spaceship_platform
-    s1 = quick_spec 'a', '1'
-    s2 = quick_spec 'a', '1' do |s|
+    s1 = new_spec 'a', '1'
+    s2 = new_spec 'a', '1' do |s|
       s.platform = Gem::Platform.new 'x86-my_platform1'
     end
 
@@ -737,8 +718,8 @@ end
   end
 
   def test_spaceship_version
-    s1 = quick_spec 'a', '1'
-    s2 = quick_spec 'a', '2'
+    s1 = new_spec 'a', '1'
+    s2 = new_spec 'a', '2'
 
     assert_equal( -1, (s1 <=> s2))
     assert_equal(  0, (s1 <=> s1))
@@ -773,13 +754,13 @@ Gem::Specification.new do |s|
   s.version = \"2\"
 
   s.required_rubygems_version = Gem::Requirement.new(\"> 0\") if s.respond_to? :required_rubygems_version=
-  s.authors = [\"A User\"]
+  s.authors = [%q{A User}]
   s.date = %q{#{Gem::Specification::TODAY.strftime "%Y-%m-%d"}}
   s.description = %q{This is a test description}
   s.email = %q{example@example.com}
-  s.files = [\"lib/code.rb\"]
+  s.files = [%q{lib/code.rb}]
   s.homepage = %q{http://example.com}
-  s.require_paths = [\"lib\"]
+  s.require_paths = [%q{lib}]
   s.rubygems_version = %q{#{Gem::VERSION}}
   s.summary = %q{this is a summary}
 
@@ -820,12 +801,12 @@ Gem::Specification.new do |s|
   s.version = \"2\"
 
   s.required_rubygems_version = Gem::Requirement.new(\"> 0\") if s.respond_to? :required_rubygems_version=
-  s.authors = [\"A User\"]
+  s.authors = [%q{A User}]
   s.date = %q{#{Gem::Specification::TODAY.strftime "%Y-%m-%d"}}
   s.description = %q{This is a test description}
   s.email = %q{example@example.com}
   s.homepage = %q{http://example.com}
-  s.require_paths = [\"lib\"]
+  s.require_paths = [%q{lib}]
   s.rubygems_version = %q{#{Gem::VERSION}}
   s.summary = %q{this is a summary}
 
@@ -868,22 +849,21 @@ Gem::Specification.new do |s|
   s.platform = Gem::Platform.new(#{expected_platform})
 
   s.required_rubygems_version = Gem::Requirement.new(\">= 0\") if s.respond_to? :required_rubygems_version=
-  s.authors = [\"A User\"]
+  s.authors = [%q{A User}]
   s.date = %q{#{Gem::Specification::TODAY.strftime "%Y-%m-%d"}}
-  s.default_executable = %q{exec}
   s.description = %q{This is a test description}
   s.email = %q{example@example.com}
-  s.executables = [\"exec\"]
-  s.extensions = [\"ext/a/extconf.rb\"]
-  s.files = [\"lib/code.rb\", \"test/suite.rb\", \"bin/exec\", \"ext/a/extconf.rb\"]
+  s.executables = [%q{exec}]
+  s.extensions = [%q{ext/a/extconf.rb}]
+  s.files = [%q{lib/code.rb}, %q{test/suite.rb}, %q{bin/exec}, %q{ext/a/extconf.rb}]
   s.homepage = %q{http://example.com}
-  s.licenses = [\"MIT\"]
-  s.require_paths = [\"lib\"]
-  s.requirements = [\"A working computer\"]
+  s.licenses = [%q{MIT}]
+  s.require_paths = [%q{lib}]
+  s.requirements = [%q{A working computer}]
   s.rubyforge_project = %q{example}
   s.rubygems_version = %q{#{Gem::VERSION}}
   s.summary = %q{this is a summary}
-  s.test_files = [\"test/suite.rb\"]
+  s.test_files = [%q{test/suite.rb}]
 
   if s.respond_to? :specification_version then
     s.specification_version = 3
@@ -913,7 +893,9 @@ end
   end
 
   def test_to_ruby_legacy
-    gemspec1 = eval LEGACY_RUBY_SPEC
+    gemspec1 = Deprecate.skip_during do
+      eval LEGACY_RUBY_SPEC
+    end
     ruby_code = gemspec1.to_ruby
     gemspec2 = eval ruby_code
 
@@ -936,7 +918,7 @@ end
 
     refute_match '!!null', yaml_str
 
-    same_spec = YAML.load(yaml_str)
+    same_spec = Gem::Specification.from_yaml(yaml_str)
 
     assert_equal @a1, same_spec
   end
@@ -945,7 +927,7 @@ end
     @a1.platform = Gem::Platform.local
     yaml_str = @a1.to_yaml
 
-    same_spec = YAML.load(yaml_str)
+    same_spec = Gem::Specification.from_yaml(yaml_str)
 
     assert_equal Gem::Platform.local, same_spec.platform
 
@@ -984,41 +966,48 @@ end
     end
   end
 
+  def x s; s.gsub(/xxx/, ''); end
+  def w; x "WARxxxNING"; end
+  def t; x "TOxxxDO"; end
+  def f; x "FxxxIXME"; end
+
   def test_validate_authors
     util_setup_validate
 
     Dir.chdir @tempdir do
-      @a1.authors = []
+      @a1.authors = [""]
 
       use_ui @ui do
         @a1.validate
       end
 
-      assert_equal "WARNING:  no author specified\n", @ui.error, 'error'
+      assert_equal "#{w}:  no author specified\n", @ui.error, 'error'
 
       @a1.authors = [Object.new]
 
+      assert_equal [], @a1.authors
+
       e = assert_raises Gem::InvalidSpecificationException do
         @a1.validate
       end
 
-      assert_equal 'authors must be Array of Strings', e.message
+      assert_equal "authors may not be empty", e.message
 
-      @a1.authors = ['FIXME (who is writing this software)']
+      @a1.authors = ["#{f} (who is writing this software)"]
 
       e = assert_raises Gem::InvalidSpecificationException do
         @a1.validate
       end
 
-      assert_equal '"FIXME" or "TODO" is not an author', e.message
+      assert_equal %{"#{f}" or "#{t}" is not an author}, e.message
 
-      @a1.authors = ['TODO (who is writing this software)']
+      @a1.authors = ["#{t} (who is writing this software)"]
 
       e = assert_raises Gem::InvalidSpecificationException do
         @a1.validate
       end
 
-      assert_equal '"FIXME" or "TODO" is not an author', e.message
+      assert_equal %{"#{f}" or "#{t}" is not an author}, e.message
     end
   end
 
@@ -1032,7 +1021,7 @@ end
         @a1.validate
       end
 
-      assert_equal "WARNING:  deprecated autorequire specified\n",
+      assert_equal "#{w}:  deprecated autorequire specified\n",
                    @ui.error, 'error'
     end
   end
@@ -1047,34 +1036,34 @@ end
         @a1.validate
       end
 
-      assert_equal "WARNING:  no description specified\n", @ui.error, 'error'
+      assert_equal "#{w}:  no description specified\n", @ui.error, "error"
 
       @ui = Gem::MockGemUi.new
-      @a1.summary = 'this is my summary'
+      @a1.summary = "this is my summary"
       @a1.description = @a1.summary
 
       use_ui @ui do
         @a1.validate
       end
 
-      assert_equal "WARNING:  description and summary are identical\n",
-                   @ui.error, 'error'
+      assert_equal "#{w}:  description and summary are identical\n",
+                   @ui.error, "error"
 
-      @a1.description = 'FIXME (describe your package)'
+      @a1.description = "#{f} (describe your package)"
 
       e = assert_raises Gem::InvalidSpecificationException do
         @a1.validate
       end
 
-      assert_equal '"FIXME" or "TODO" is not a description', e.message
+      assert_equal %{"#{f}" or "#{t}" is not a description}, e.message
 
-      @a1.description = 'TODO (describe your package)'
+      @a1.description = "#{t} (describe your package)"
 
       e = assert_raises Gem::InvalidSpecificationException do
         @a1.validate
       end
 
-      assert_equal '"FIXME" or "TODO" is not a description', e.message
+      assert_equal %{"#{f}" or "#{t}" is not a description}, e.message
     end
   end
 
@@ -1082,35 +1071,33 @@ end
     util_setup_validate
 
     Dir.chdir @tempdir do
-      @a1.email = ''
+      @a1.email = ""
 
       use_ui @ui do
         @a1.validate
       end
 
-      assert_equal "WARNING:  no email specified\n", @ui.error, 'error'
+      assert_equal "#{w}:  no email specified\n", @ui.error, "error"
 
-      @a1.email = 'FIXME (your e-mail)'
+      @a1.email = "FIxxxXME (your e-mail)".sub(/xxx/, "")
 
       e = assert_raises Gem::InvalidSpecificationException do
         @a1.validate
       end
 
-      assert_equal '"FIXME" or "TODO" is not an email address', e.message
+      assert_equal %{"#{f}" or "#{t}" is not an email}, e.message
 
-      @a1.email = 'TODO (your e-mail)'
+      @a1.email = "#{t} (your e-mail)"
 
       e = assert_raises Gem::InvalidSpecificationException do
         @a1.validate
       end
 
-      assert_equal '"FIXME" or "TODO" is not an email address', e.message
+      assert_equal %{"#{f}" or "#{t}" is not an email}, e.message
     end
   end
 
   def test_validate_empty
-    util_setup_validate
-
     e = assert_raises Gem::InvalidSpecificationException do
       Gem::Specification.new.validate
     end
@@ -1134,7 +1121,7 @@ end
     assert_equal %w[exec], @a1.executables
 
     assert_equal '', @ui.output, 'output'
-    assert_equal "WARNING:  bin/exec is missing #! line\n", @ui.error, 'error'
+    assert_equal "#{w}:  bin/exec is missing #! line\n", @ui.error, 'error'
   end
 
   def test_validate_empty_require_paths
@@ -1183,7 +1170,7 @@ end
         @a1.validate
       end
 
-      assert_equal "WARNING:  no homepage specified\n", @ui.error, 'error'
+      assert_equal "#{w}:  no homepage specified\n", @ui.error, 'error'
 
       @ui = Gem::MockGemUi.new
 
@@ -1193,7 +1180,7 @@ end
         @a1.validate
       end
 
-      assert_equal "WARNING:  no homepage specified\n", @ui.error, 'error'
+      assert_equal "#{w}:  no homepage specified\n", @ui.error, 'error'
 
       @a1.homepage = 'over at my cool site'
 
@@ -1216,6 +1203,26 @@ end
     assert_equal 'invalid value for attribute name: ":json"', e.message
   end
 
+  def test_validate_non_nil
+    util_setup_validate
+
+    Dir.chdir @tempdir do
+      assert @a1.validate
+
+      Gem::Specification.non_nil_attributes.each do |name|
+        next if name == :files # set by #normalize
+        spec = @a1.dup
+        spec.instance_variable_set "@#{name}", nil
+
+        e = assert_raises Gem::InvalidSpecificationException do
+          spec.validate
+        end
+
+        assert_match %r%^#{name}%, e.message
+      end
+    end
+  end
+
   def test_validate_platform_legacy
     util_setup_validate
 
@@ -1270,23 +1277,23 @@ end
         @a1.validate
       end
 
-      assert_equal "WARNING:  no summary specified\n", @ui.error, 'error'
+      assert_equal "#{w}:  no summary specified\n", @ui.error, 'error'
 
-      @a1.summary = 'FIXME (describe your package)'
+      @a1.summary = "#{f} (describe your package)"
 
       e = assert_raises Gem::InvalidSpecificationException do
         @a1.validate
       end
 
-      assert_equal '"FIXME" or "TODO" is not a summary', e.message
+      assert_equal %{"#{f}" or "#{t}" is not a summary}, e.message
 
-      @a1.summary = 'TODO (describe your package)'
+      @a1.summary = "#{t} (describe your package)"
 
       e = assert_raises Gem::InvalidSpecificationException do
         @a1.validate
       end
 
-      assert_equal '"FIXME" or "TODO" is not a summary', e.message
+      assert_equal %{"#{f}" or "#{t}" is not a summary}, e.message
     end
   end
 
@@ -1310,6 +1317,67 @@ end
     specfile.delete
   end
 
+  ##
+  # KEEP p-1-x86-darwin-8
+  # KEEP p-1
+  # KEEP c-1.2
+  # KEEP a_evil-9
+  #      a-1
+  #      a-1-x86-my_platform-1
+  # KEEP a-2
+  #      a-2-x86-other_platform-1
+  # KEEP a-2-x86-my_platform-1
+  #      a-3.a
+  # KEEP a-3-x86-other_platform-1
+
+  def test_latest_specs
+    util_clear_gems
+    util_setup_fake_fetcher
+
+    quick_spec 'p', '1'
+
+    p1_curr = quick_spec 'p', '1' do |spec|
+      spec.platform = Gem::Platform::CURRENT
+    end
+
+    quick_spec @a1.name, @a1.version do |s|
+      s.platform = Gem::Platform.new 'x86-my_platform1'
+    end
+
+    quick_spec @a1.name, @a1.version do |s|
+      s.platform = Gem::Platform.new 'x86-third_platform1'
+    end
+
+    quick_spec @a2.name, @a2.version do |s|
+      s.platform = Gem::Platform.new 'x86-my_platform1'
+    end
+
+    quick_spec @a2.name, @a2.version do |s|
+      s.platform = Gem::Platform.new 'x86-other_platform1'
+    end
+
+    quick_spec @a2.name, @a2.version.bump do |s|
+      s.platform = Gem::Platform.new 'x86-other_platform1'
+    end
+
+    Gem::Specification.remove_spec @b2
+    Gem::Specification.remove_spec @pl1
+
+    expected = %W[
+                  a-2
+                  a-2-x86-my_platform-1
+                  a-3-x86-other_platform-1
+                  a_evil-9
+                  c-1.2
+                  p-1
+                  #{p1_curr.full_name}
+                 ]
+
+    latest_specs = Gem::Specification.latest_specs.map(&:full_name).sort
+
+    assert_equal expected, latest_specs
+  end
+
   def util_setup_deps
     @gem = quick_spec "awesome", "1.0" do |awesome|
       awesome.add_runtime_dependency "bonobo", []
@@ -1322,13 +1390,36 @@ end
 
   def util_setup_validate
     Dir.chdir @tempdir do
-      FileUtils.mkdir_p File.join('ext', 'a')
-      FileUtils.mkdir_p 'lib'
-      FileUtils.mkdir_p 'test'
+      FileUtils.mkdir_p File.join("ext", "a")
+      FileUtils.mkdir_p "lib"
+      FileUtils.mkdir_p "test"
+      FileUtils.mkdir_p "bin"
+
+      FileUtils.touch File.join("ext", "a", "extconf.rb")
+      FileUtils.touch File.join("lib", "code.rb")
+      FileUtils.touch File.join("test", "suite.rb")
 
-      FileUtils.touch File.join('ext', 'a', 'extconf.rb')
-      FileUtils.touch File.join('lib', 'code.rb')
-      FileUtils.touch File.join('test', 'suite.rb')
+      File.open "bin/exec", "w" do |fp|
+        fp.puts "#!#{Gem.ruby}"
+      end
+    end
+  end
+
+  def with_syck
+    begin
+      require "yaml"
+      old_engine = YAML::ENGINE.yamler
+      YAML::ENGINE.yamler = 'syck'
+    rescue NameError
+      # probably on 1.8, ignore
+    end
+
+    yield
+  ensure
+    begin
+      YAML::ENGINE.yamler = old_engine
+    rescue NameError
+      # ignore
     end
   end
 end