5 files changed, 27 insertions, 0 deletions
diff --git a/test/win32ole/test_win32ole_event.rb b/test/win32ole/test_win32ole_event.rb
index 4888539361..02eaec557a 100644
--- a/test/win32ole/test_win32ole_event.rb
+++ b/test/win32ole/test_win32ole_event.rb
@@ -30,6 +30,12 @@ if defined?(WIN32OLE_EVENT)
       @event += event
     end
 
+    def test_s_new
+      assert_raise(TypeError) {
+        ev = WIN32OLE_EVENT.new("A")
+      }
+    end
+
     def test_s_new_without_itf
       ev = WIN32OLE_EVENT.new(@ie)
       ev.on_event {|*args| default_handler(*args)}
diff --git a/test/win32ole/test_win32ole_method.rb b/test/win32ole/test_win32ole_method.rb
index 31eff87937..161b10233f 100644
--- a/test/win32ole/test_win32ole_method.rb
+++ b/test/win32ole/test_win32ole_method.rb
@@ -33,6 +33,9 @@ if defined?(WIN32OLE_METHOD)
       assert_raise(WIN32OLERuntimeError) {
         method = WIN32OLE_METHOD.new(ole_type, "NonExistMethod")
       }
+      assert_raise(TypeError) {
+        method = WIN32OLE_METHOD.new(ole_type, 1)
+      }
       method  = WIN32OLE_METHOD.new(ole_type, "Open")
       assert_instance_of(WIN32OLE_METHOD, method)
       method  = WIN32OLE_METHOD.new(ole_type, "open")
diff --git a/test/win32ole/test_win32ole_param.rb b/test/win32ole/test_win32ole_param.rb
index 4374f9a426..1c866ca53e 100644
--- a/test/win32ole/test_win32ole_param.rb
+++ b/test/win32ole/test_win32ole_param.rb
@@ -29,6 +29,13 @@ if defined?(WIN32OLE_PARAM)
       @param_overwritefiles = m_copyfile.params[2]
     end
 
+    def test_s_new
+      assert_raise(ArgumentError) {
+        WIN32OLE_PARAM.new("hoge")
+      }
+    end
+
+
     def test_name
       assert_equal('URL', @param_url.name)
       assert_equal('Flags', @param_flags.name)
diff --git a/test/win32ole/test_win32ole_type.rb b/test/win32ole/test_win32ole_type.rb
index 1aff42a45a..f8ea525ea9 100644
--- a/test/win32ole/test_win32ole_type.rb
+++ b/test/win32ole/test_win32ole_type.rb
@@ -22,6 +22,12 @@ if defined?(WIN32OLE_TYPE)
       assert_raise(ArgumentError) {
         WIN32OLE_TYPE.new("foo")
       }
+      assert_raise(TypeError) {
+        WIN32OLE_TYPE.new(1, 2)
+      }
+      assert_raise(TypeError) {
+        WIN32OLE_TYPE.new("Microsoft Shell Controls And Automation", 1)
+      }
       assert_raise(WIN32OLERuntimeError) {
         WIN32OLE_TYPE.new("Microsoft Shell Controls And Automation", "foo")
       }
diff --git a/test/win32ole/test_win32ole_typelib.rb b/test/win32ole/test_win32ole_typelib.rb
index 16e6c1a663..a1c3891396 100644
--- a/test/win32ole/test_win32ole_typelib.rb
+++ b/test/win32ole/test_win32ole_typelib.rb
@@ -18,6 +18,11 @@ if defined?(WIN32OLE_TYPELIB)
       assert_raise(ArgumentError) {
         WIN32OLE_TYPELIB.new(1,2,3,4)
       }
+
+      assert_raise(TypeError) {
+        WIN32OLE_TYPELIB.new(100)
+      }
+
       tlib = WIN32OLE_TYPELIB.new("Microsoft Shell Controls And Automation")
       assert_instance_of(WIN32OLE_TYPELIB, tlib)