add WIN32OLE_VARIANT::Empty, WIN32OLE_VARIANT::Null, WIN32OLE_VARIANT::Nothing.

git-svn-id: http://svn.ruby-lang.org/repos/ruby/trunk@11543 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

2 files changed, 17 insertions, 0 deletions

diff --git a/test/win32ole/test_nil2vtempty.rb b/test/win32ole/test_nil2vtempty.rb
index 6eb9333f0..4be3902b6 100644
--- a/test/win32ole/test_nil2vtempty.rb
+++ b/test/win32ole/test_nil2vtempty.rb
@@ -26,6 +26,10 @@ if defined?(WIN32OLE)
         rs = con.openSchema(4, [nil,nil,"DUMMY", "TABLE"])
         assert(rs)
         assert_equal("_Recordset", rs.ole_type.name)
+        
+        rs = con.openSchema(4, [WIN32OLE_VARIANT::Empty, WIN32OLE_VARIANT::Empty, "DUMMY", "TABLE"])
+        assert(rs)
+        assert_equal("_Recordset", rs.ole_type.name)
       end
     end
   end
diff --git a/test/win32ole/test_win32ole_variant.rb b/test/win32ole/test_win32ole_variant.rb
index 22a2cd8f7..6d20684b8 100644
--- a/test/win32ole/test_win32ole_variant.rb
+++ b/test/win32ole/test_win32ole_variant.rb
@@ -110,5 +110,18 @@ if defined?(WIN32OLE_VARIANT)
       assert_nil(var.value)
     end
 
+    def test_c_nothing
+      assert_nil(WIN32OLE_VARIANT::Nothing.value)
+    end
+
+    def test_c_empty
+      assert_nil(WIN32OLE_VARIANT::Empty.value)
+    end
+
+    def test_c_null
+      assert_nil(WIN32OLE_VARIANT::Null.value)
+    end
+
+
   end
 end