1 files changed, 39 insertions, 0 deletions
diff --git a/test/rubygems/test_gem.rb b/test/rubygems/test_gem.rb
index 20e411a7e4..9efb056546 100644
--- a/test/rubygems/test_gem.rb
+++ b/test/rubygems/test_gem.rb
@@ -774,6 +774,45 @@ class TestGem < Gem::TestCase
     assert_equal cwd, $LOAD_PATH.shift
   end
 
+  def test_self_latest_spec_for
+    a1  = quick_spec 'a', 1
+    a2  = quick_spec 'a', 2
+    a3a = quick_spec 'a', '3.a'
+
+    util_setup_fake_fetcher
+    util_setup_spec_fetcher a1, a2, a3a
+
+    spec = Gem.latest_spec_for 'a'
+
+    assert_equal a2, spec
+  end
+
+  def test_self_latest_rubygems_version
+    r1 = quick_spec 'rubygems-update', '1.8.23'
+    r2 = quick_spec 'rubygems-update', '1.8.24'
+    r3 = quick_spec 'rubygems-update', '2.0.0.preview3'
+
+    util_setup_fake_fetcher
+    util_setup_spec_fetcher r1, r2, r3
+
+    version = Gem.latest_rubygems_version
+
+    assert_equal Gem::Version.new('1.8.24'), version
+  end
+
+  def test_self_latest_version_for
+    a1  = quick_spec 'a', 1
+    a2  = quick_spec 'a', 2
+    a3a = quick_spec 'a', '3.a'
+
+    util_setup_fake_fetcher
+    util_setup_spec_fetcher a1, a2, a3a
+
+    version = Gem.latest_version_for 'a'
+
+    assert_equal Gem::Version.new(2), version
+  end
+
   def test_self_loaded_specs
     foo = quick_spec 'foo'
     install_gem foo