Additional test coverage

test/date/test_date.rb

@@ -141,4 +141,13 @@ def test_freeze
     assert_instance_of(String, d.to_s)
   end
 
+  def test_submillisecond_comparison
+    d1 = DateTime.new(2013, 12, 6, 0, 0, Rational(1, 10000))
+    d2 = DateTime.new(2013, 12, 6, 0, 0, Rational(2, 10000))
+    # d1 is 0.0001s earlier than d2
+    assert_equal(-1, d1 <=> d2)
+    assert_equal(0, d1 <=> d1)
+    assert_equal(1, d2 <=> d1)
+  end
+
 end

test/ruby/test_dir.rb

@@ -249,4 +249,17 @@ def test_home
     ENV["LOGDIR"] = env_logdir
   end
 
+  def test_symlinks_not_resolved
+    Dir.mktmpdir do |dirname|
+      FileUtils.cd(dirname) do
+        FileUtils.mkdir_p('some-dir')
+        File.write('some-dir/foo', 'some content')
+        File.symlink('some-dir', 'dir-symlink')
+
+        assert_equal [ 'dir-symlink', 'some-dir' ], Dir['*'].sort
+        assert_equal [ 'dir-symlink', 'some-dir', 'some-dir/foo' ], Dir['**/*'].sort
+      end
+    end
+  end
+
 end

test/ruby/test_enumerator.rb

@@ -616,5 +616,14 @@ def test_size_for_string
     assert_equal 5, 'hello'.each_char.size
     assert_equal 5, 'hello'.each_codepoint.size
   end
+
+  def test_peek_for_enumerator_objects
+    e = 2.times
+    assert_equal(0, e.peek)
+    e.next
+    assert_equal(1, e.peek)
+    e.next
+    assert_raise(StopIteration) { e.peek }
+  end
 end