diff --git a/src/db/db/db.pro b/src/db/db/db.pro
index 81f25683d..48b40631f 100644
--- a/src/db/db/db.pro
+++ b/src/db/db/db.pro
@@ -420,7 +420,8 @@ HEADERS = \
   dbOriginalLayerTexts.h \
   dbNetShape.h \
   dbShapeCollection.h \
-  dbShapeCollectionUtils.h
+  dbShapeCollectionUtils.h \
+  gsiDeclDbPropertiesSupport.h
 
 RESOURCES = \
   dbResources.qrc \
diff --git a/src/db/db/dbObjectWithProperties.h b/src/db/db/dbObjectWithProperties.h
index 09f4697d6..b30231a8e 100644
--- a/src/db/db/dbObjectWithProperties.h
+++ b/src/db/db/dbObjectWithProperties.h
@@ -187,6 +187,17 @@ public:
     return object_with_properties<Obj> (Obj::transformed (tr), m_id);
   }
 
+  /**
+   *  @brief Returns a string describing the object
+   */
+  std::string to_string () const
+  {
+    std::string s = Obj::to_string ();
+    s += " props=";
+    s += db::properties (properties_id ()).to_dict_var ().to_string ();
+    return s;
+  }
+
 private:
   properties_id_type m_id;
 };
@@ -225,6 +236,16 @@ typedef object_with_properties<DBox> DBoxWithProperties;
 typedef object_with_properties<db::array<db::CellInst, db::Trans> > CellInstArrayWithProperties;
 typedef object_with_properties<db::array<db::CellInst, db::DTrans> > DCellInstArrayWithProperties;
 
+/**
+ *  @brief Output stream insertion operator
+ */
+template <class T>
+inline std::ostream &
+operator<< (std::ostream &os, const object_with_properties<T> &p)
+{
+  return (os << p.to_string ());
+}
+
 } // namespace db
 
 #endif
diff --git a/src/db/db/gsiDeclDbBox.cc b/src/db/db/gsiDeclDbBox.cc
index 697cbb2a1..2266c7fee 100644
--- a/src/db/db/gsiDeclDbBox.cc
+++ b/src/db/db/gsiDeclDbBox.cc
@@ -22,6 +22,7 @@
 
 
 #include "gsiDecl.h"
+#include "gsiDeclDbPropertiesSupport.h"
 #include "dbPoint.h"
 #include "dbBox.h"
 #include "dbHash.h"
@@ -590,6 +591,25 @@ Class<db::Box> decl_Box ("db", "Box",
   "database objects."
 );
 
+static db::BoxWithProperties *new_box_with_properties (const db::Box &poly, db::properties_id_type pid)
+{
+  return new db::BoxWithProperties (poly, pid);
+}
+
+Class<db::BoxWithProperties> decl_BoxWithProperties (decl_Box, "db", "BoxWithProperties",
+  gsi::properties_support_methods<db::BoxWithProperties> () +
+  constructor ("new", &new_box_with_properties, gsi::arg ("polygon"), gsi::arg ("properties_id"),
+    "@brief Creates a new object from a property-less object and a properties ID."
+  )
+  ,
+  "@brief A Box object with properties attached.\n"
+  "This class represents a combination of a Box object an user properties. User properties are "
+  "stored in form of a properties ID. Convenience methods are provided to manipulate or retrieve "
+  "user properties directly.\n"
+  "\n"
+  "This class has been introduced in version 0.30."
+);
+
 static db::DBox *dbox_from_ibox (const db::Box &b)
 {
   return new db::DBox (b);
@@ -645,4 +665,23 @@ Class<db::DBox> decl_DBox ("db", "DBox",
   "database objects."
 );
 
+static db::DBoxWithProperties *new_dbox_with_properties (const db::DBox &poly, db::properties_id_type pid)
+{
+  return new db::DBoxWithProperties (poly, pid);
+}
+
+Class<db::DBoxWithProperties> decl_DBoxWithProperties (decl_DBox, "db", "DBoxWithProperties",
+  gsi::properties_support_methods<db::DBoxWithProperties> () +
+  constructor ("new", &new_dbox_with_properties, gsi::arg ("polygon"), gsi::arg ("properties_id"),
+    "@brief Creates a new object from a property-less object and a properties ID."
+  )
+  ,
+  "@brief A DBox object with properties attached.\n"
+  "This class represents a combination of a DBox object an user properties. User properties are "
+  "stored in form of a properties ID. Convenience methods are provided to manipulate or retrieve "
+  "user properties directly.\n"
+  "\n"
+  "This class has been introduced in version 0.30."
+);
+
 }
diff --git a/src/db/db/gsiDeclDbPath.cc b/src/db/db/gsiDeclDbPath.cc
index 14589ea69..1be94cfaf 100644
--- a/src/db/db/gsiDeclDbPath.cc
+++ b/src/db/db/gsiDeclDbPath.cc
@@ -22,6 +22,7 @@
 
 
 #include "gsiDecl.h"
+#include "gsiDeclDbPropertiesSupport.h"
 #include "dbPoint.h"
 #include "dbPath.h"
 #include "dbHash.h"
@@ -384,6 +385,25 @@ Class<db::Path> decl_Path ("db", "Path",
   "database objects."
 );
 
+static db::PathWithProperties *new_path_with_properties (const db::Path &poly, db::properties_id_type pid)
+{
+  return new db::PathWithProperties (poly, pid);
+}
+
+Class<db::PathWithProperties> decl_PathWithProperties (decl_Path, "db", "PathWithProperties",
+  gsi::properties_support_methods<db::PathWithProperties> () +
+  constructor ("new", &new_path_with_properties, gsi::arg ("polygon"), gsi::arg ("properties_id"),
+    "@brief Creates a new object from a property-less object and a properties ID."
+  )
+  ,
+  "@brief A Path object with properties attached.\n"
+  "This class represents a combination of a Path object an user properties. User properties are "
+  "stored in form of a properties ID. Convenience methods are provided to manipulate or retrieve "
+  "user properties directly.\n"
+  "\n"
+  "This class has been introduced in version 0.30."
+);
+
 static db::DPath *dpath_from_ipath (const db::Path &p)
 {
   return new db::DPath (p);
@@ -452,4 +472,23 @@ Class<db::DPath> decl_DPath ("db", "DPath",
   "database objects."
 );
 
+static db::DPathWithProperties *new_dpath_with_properties (const db::DPath &poly, db::properties_id_type pid)
+{
+  return new db::DPathWithProperties (poly, pid);
+}
+
+Class<db::DPathWithProperties> decl_DPathWithProperties (decl_DPath, "db", "DPathWithProperties",
+  gsi::properties_support_methods<db::DPathWithProperties> () +
+  constructor ("new", &new_dpath_with_properties, gsi::arg ("polygon"), gsi::arg ("properties_id"),
+    "@brief Creates a new object from a property-less object and a properties ID."
+  )
+  ,
+  "@brief A DPath object with properties attached.\n"
+  "This class represents a combination of a DPath object an user properties. User properties are "
+  "stored in form of a properties ID. Convenience methods are provided to manipulate or retrieve "
+  "user properties directly.\n"
+  "\n"
+  "This class has been introduced in version 0.30."
+);
+
 }
diff --git a/src/db/db/gsiDeclDbPolygon.cc b/src/db/db/gsiDeclDbPolygon.cc
index 97670a515..287dd0a5b 100644
--- a/src/db/db/gsiDeclDbPolygon.cc
+++ b/src/db/db/gsiDeclDbPolygon.cc
@@ -22,6 +22,7 @@
 
 
 #include "gsiDecl.h"
+#include "gsiDeclDbPropertiesSupport.h"
 #include "dbPoint.h"
 #include "dbPolygon.h"
 #include "dbPolygonTools.h"
@@ -785,6 +786,25 @@ Class<db::SimplePolygon> decl_SimplePolygon ("db", "SimplePolygon",
   "database objects."
 );
 
+static db::SimplePolygonWithProperties *new_simple_polygon_with_properties (const db::SimplePolygon &poly, db::properties_id_type pid)
+{
+  return new db::SimplePolygonWithProperties (poly, pid);
+}
+
+Class<db::SimplePolygonWithProperties> decl_SimplePolygonWithProperties (decl_SimplePolygon, "db", "SimplePolygonWithProperties",
+  gsi::properties_support_methods<db::SimplePolygonWithProperties> () +
+  constructor ("new", &new_simple_polygon_with_properties, gsi::arg ("polygon"), gsi::arg ("properties_id"),
+    "@brief Creates a new object from a property-less object and a properties ID."
+  )
+  ,
+  "@brief A SimplePolygon object with properties attached.\n"
+  "This class represents a combination of a SimplePolygon object an user properties. User properties are "
+  "stored in form of a properties ID. Convenience methods are provided to manipulate or retrieve "
+  "user properties directly.\n"
+  "\n"
+  "This class has been introduced in version 0.30."
+);
+
 static db::DSimplePolygon *dspolygon_from_ispolygon (const db::SimplePolygon &p)
 {
   return new db::DSimplePolygon (p, false);
@@ -853,6 +873,25 @@ Class<db::DSimplePolygon> decl_DSimplePolygon ("db", "DSimplePolygon",
   "database objects."
 );
 
+static db::DSimplePolygonWithProperties *new_dsimple_polygon_with_properties (const db::DSimplePolygon &poly, db::properties_id_type pid)
+{
+  return new db::DSimplePolygonWithProperties (poly, pid);
+}
+
+Class<db::DSimplePolygonWithProperties> decl_DSimplePolygonWithProperties (decl_DSimplePolygon, "db", "DSimplePolygonWithProperties",
+  gsi::properties_support_methods<db::DSimplePolygonWithProperties> () +
+  constructor ("new", &new_dsimple_polygon_with_properties, gsi::arg ("polygon"), gsi::arg ("properties_id"),
+    "@brief Creates a new object from a property-less object and a properties ID."
+  )
+  ,
+  "@brief A DSimplePolygon object with properties attached.\n"
+  "This class represents a combination of a DSimplePolygon object an user properties. User properties are "
+  "stored in form of a properties ID. Convenience methods are provided to manipulate or retrieve "
+  "user properties directly.\n"
+  "\n"
+  "This class has been introduced in version 0.30."
+);
+
 // ---------------------------------------------------------------
 //  polygon binding
 
@@ -2026,6 +2065,25 @@ Class<db::Polygon> decl_Polygon ("db", "Polygon",
   "database objects."
 );
 
+static db::PolygonWithProperties *new_polygon_with_properties (const db::Polygon &poly, db::properties_id_type pid)
+{
+  return new db::PolygonWithProperties (poly, pid);
+}
+
+Class<db::PolygonWithProperties> decl_PolygonWithProperties (decl_Polygon, "db", "PolygonWithProperties",
+  gsi::properties_support_methods<db::PolygonWithProperties> () +
+  constructor ("new", &new_polygon_with_properties, gsi::arg ("polygon"), gsi::arg ("properties_id"),
+    "@brief Creates a new object from a property-less object and a properties ID."
+  )
+  ,
+  "@brief A Polygon object with properties attached.\n"
+  "This class represents a combination of a Polygon object an user properties. User properties are "
+  "stored in form of a properties ID. Convenience methods are provided to manipulate or retrieve "
+  "user properties directly.\n"
+  "\n"
+  "This class has been introduced in version 0.30."
+);
+
 static db::DPolygon *dpolygon_from_ipolygon (const db::Polygon &p)
 {
   return new db::DPolygon (p, false);
@@ -2121,4 +2179,23 @@ Class<db::DPolygon> decl_DPolygon ("db", "DPolygon",
   "database objects."
 );
 
+static db::DPolygonWithProperties *new_dpolygon_with_properties (const db::DPolygon &poly, db::properties_id_type pid)
+{
+  return new db::DPolygonWithProperties (poly, pid);
+}
+
+Class<db::DPolygonWithProperties> decl_DPolygonWithProperties (decl_DPolygon, "db", "DPolygonWithProperties",
+  gsi::properties_support_methods<db::DPolygonWithProperties> () +
+  constructor ("new", &new_dpolygon_with_properties, gsi::arg ("polygon"), gsi::arg ("properties_id"),
+    "@brief Creates a new object from a property-less object and a properties ID."
+  )
+  ,
+  "@brief A DPolygon object with properties attached.\n"
+  "This class represents a combination of a DPolygon object an user properties. User properties are "
+  "stored in form of a properties ID. Convenience methods are provided to manipulate or retrieve "
+  "user properties directly.\n"
+  "\n"
+  "This class has been introduced in version 0.30."
+);
+
 }
diff --git a/src/db/db/gsiDeclDbPropertiesSupport.h b/src/db/db/gsiDeclDbPropertiesSupport.h
new file mode 100644
index 000000000..14e88b6c5
--- /dev/null
+++ b/src/db/db/gsiDeclDbPropertiesSupport.h
@@ -0,0 +1,116 @@
+
+/*
+
+  KLayout Layout Viewer
+  Copyright (C) 2006-2024 Matthias Koefferlein
+
+  This program is free software; you can redistribute it and/or modify
+  it under the terms of the GNU General Public License as published by
+  the Free Software Foundation; either version 2 of the License, or
+  (at your option) any later version.
+
+  This program is distributed in the hope that it will be useful,
+  but WITHOUT ANY WARRANTY; without even the implied warranty of
+  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+  GNU General Public License for more details.
+
+  You should have received a copy of the GNU General Public License
+  along with this program; if not, write to the Free Software
+  Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
+
+*/
+
+#ifndef HDR_dbPropertiesSupport
+#define HDR_dbPropertiesSupport
+
+#include "gsiDecl.h"
+#include "dbPropertiesRepository.h"
+
+namespace gsi
+{
+
+template <class T>
+static void delete_property_meth_impl (T *s, const tl::Variant &key)
+{
+  db::properties_id_type id = s->properties_id ();
+  if (id == 0) {
+    return;
+  }
+
+  db::PropertiesSet props = db::properties (id);
+  props.erase (key);
+  s->properties_id (db::properties_id (props));
+}
+
+template <class T>
+static void set_property_meth_impl (T *s, const tl::Variant &key, const tl::Variant &value)
+{
+  db::properties_id_type id = s->properties_id ();
+
+  db::PropertiesSet props = db::properties (id);
+  props.erase (key);
+  props.insert (key, value);
+  s->properties_id (db::properties_id (props));
+}
+
+template <class T>
+static tl::Variant get_property_meth_impl (const T *s, const tl::Variant &key)
+{
+  db::properties_id_type id = s->properties_id ();
+
+  const db::PropertiesSet &props = db::properties (id);
+  return props.value (key);
+}
+
+template <class T>
+static tl::Variant get_properties_meth_impl (const T *s)
+{
+  db::properties_id_type id = s->properties_id ();
+
+  const db::PropertiesSet &props = db::properties (id);
+  return props.to_dict_var ();
+}
+
+template <class T>
+static gsi::Methods properties_support_methods ()
+{
+  return
+  gsi::method ("prop_id", (db::properties_id_type (T::*) () const) &T::properties_id,
+    "@brief Gets the properties ID associated with the object\n"
+  ) +
+  gsi::method ("prop_id=", (void (T::*) (db::properties_id_type)) &T::properties_id, gsi::arg ("id"),
+    "@brief Sets the properties ID of the object\n"
+  ) +
+  gsi::method_ext ("delete_property", &delete_property_meth_impl<T>, gsi::arg ("key"),
+    "@brief Deletes the user property with the given key\n"
+    "This method is a convenience method that deletes the property with the given key. "
+    "It does nothing if no property with that key exists. Using that method is more "
+    "convenient than creating a new property set with a new ID and assigning that properties ID.\n"
+    "This method may change the properties ID."
+  ) +
+  gsi::method_ext ("set_property", &set_property_meth_impl<T>, gsi::arg ("key"), gsi::arg ("value"),
+    "@brief Sets the user property with the given key to the given value\n"
+    "This method is a convenience method that sets the user property with the given key to the given value. "
+    "If no property with that key exists, it will create one. Using that method is more "
+    "convenient than creating a new property set with a new ID and assigning that properties ID.\n"
+    "This method may change the properties ID. "
+    "Note: GDS only supports integer keys. OASIS supports numeric and string keys.\n"
+  ) +
+  gsi::method_ext ("property", &get_property_meth_impl<T>, gsi::arg ("key"),
+    "@brief Gets the user property with the given key\n"
+    "This method is a convenience method that gets the user property with the given key. "
+    "If no property with that key does not exist, it will return nil. Using that method is more "
+    "convenient than using the layout object and the properties ID to retrieve the property value. "
+  ) +
+  gsi::method ("to_s", (std::string (T::*) () const) &T::to_string,
+    "@brief Returns a string representing the polygon\n"
+  ) +
+  gsi::method_ext ("properties", &get_properties_meth_impl<T>,
+    "@brief Gets the user properties\n"
+    "This method is a convenience method that gets the properties of the shape as a single hash.\n"
+  );
+}
+
+}
+
+#endif
diff --git a/src/db/db/gsiDeclDbText.cc b/src/db/db/gsiDeclDbText.cc
index d37c71bb6..63974976b 100644
--- a/src/db/db/gsiDeclDbText.cc
+++ b/src/db/db/gsiDeclDbText.cc
@@ -22,6 +22,7 @@
 
 
 #include "gsiDecl.h"
+#include "gsiDeclDbPropertiesSupport.h"
 #include "gsiEnums.h"
 #include "dbPoint.h"
 #include "dbText.h"
@@ -448,6 +449,25 @@ Class<db::Text> decl_Text ("db", "Text",
   "database objects."
 );
 
+static db::TextWithProperties *new_text_with_properties (const db::Text &poly, db::properties_id_type pid)
+{
+  return new db::TextWithProperties (poly, pid);
+}
+
+Class<db::TextWithProperties> decl_TextWithProperties (decl_Text, "db", "TextWithProperties",
+  gsi::properties_support_methods<db::TextWithProperties> () +
+  constructor ("new", &new_text_with_properties, gsi::arg ("polygon"), gsi::arg ("properties_id"),
+    "@brief Creates a new object from a property-less object and a properties ID."
+  )
+  ,
+  "@brief A Text object with properties attached.\n"
+  "This class represents a combination of a Text object an user properties. User properties are "
+  "stored in form of a properties ID. Convenience methods are provided to manipulate or retrieve "
+  "user properties directly.\n"
+  "\n"
+  "This class has been introduced in version 0.30."
+);
+
 static db::DText *dtext_from_itext (const db::Text &t)
 {
   return new db::DText (t);
@@ -497,6 +517,25 @@ Class<db::DText> decl_DText ("db", "DText",
   "database objects."
 );
 
+static db::DTextWithProperties *new_dtext_with_properties (const db::DText &poly, db::properties_id_type pid)
+{
+  return new db::DTextWithProperties (poly, pid);
+}
+
+Class<db::DTextWithProperties> decl_DTextWithProperties (decl_DText, "db", "DTextWithProperties",
+  gsi::properties_support_methods<db::DTextWithProperties> () +
+  constructor ("new", &new_dtext_with_properties, gsi::arg ("polygon"), gsi::arg ("properties_id"),
+    "@brief Creates a new object from a property-less object and a properties ID."
+  )
+  ,
+  "@brief A DText object with properties attached.\n"
+  "This class represents a combination of a DText object an user properties. User properties are "
+  "stored in form of a properties ID. Convenience methods are provided to manipulate or retrieve "
+  "user properties directly.\n"
+  "\n"
+  "This class has been introduced in version 0.30."
+);
+
 gsi::Enum<db::HAlign> decl_HAlign ("db", "HAlign",
   gsi::enum_const ("HAlignLeft", db::HAlignLeft,
     "@brief Left horizontal alignment\n"
diff --git a/testdata/ruby/dbBoxTest.rb b/testdata/ruby/dbBoxTest.rb
index b86c5f2f2..77a5cdf57 100644
--- a/testdata/ruby/dbBoxTest.rb
+++ b/testdata/ruby/dbBoxTest.rb
@@ -512,6 +512,38 @@ class DBBox_TestClass < TestBase
 
   end
 
+  def test_boxWithProperties
+
+    s = RBA::BoxWithProperties::new
+    assert_equal(s.to_s, "() props={}")
+
+    pid = RBA::Layout::properties_id({ 1 => "one" })
+    s = RBA::BoxWithProperties::new(RBA::Box::new(0, 0, 100, 200), pid)
+    assert_equal(s.to_s, "(0,0;100,200) props={1=>one}")
+    assert_equal(s.property(1), "one")
+    assert_equal(s.properties, { 1 => "one" })
+    s.set_property(1, "xxx")
+    assert_equal(s.to_s, "(0,0;100,200) props={1=>xxx}")
+    s.delete_property(1)
+    assert_equal(s.to_s, "(0,0;100,200) props={}")
+    assert_equal(s.property(1), nil)
+
+    s = RBA::DBoxWithProperties::new
+    assert_equal(s.to_s, "() props={}")
+
+    pid = RBA::Layout::properties_id({ 1 => "one" })
+    s = RBA::DBoxWithProperties::new(RBA::DBox::new(0, 0, 100, 200), pid)
+    assert_equal(s.to_s, "(0,0;100,200) props={1=>one}")
+    assert_equal(s.property(1), "one")
+    assert_equal(s.properties, { 1 => "one" })
+    s.set_property(1, "xxx")
+    assert_equal(s.to_s, "(0,0;100,200) props={1=>xxx}")
+    s.delete_property(1)
+    assert_equal(s.to_s, "(0,0;100,200) props={}")
+    assert_equal(s.property(1), nil)
+
+  end
+
 end
 
 load("test_epilogue.rb")
diff --git a/testdata/ruby/dbPathTest.rb b/testdata/ruby/dbPathTest.rb
index 5b46d6a23..f224b96c2 100644
--- a/testdata/ruby/dbPathTest.rb
+++ b/testdata/ruby/dbPathTest.rb
@@ -329,6 +329,38 @@ class DBPath_TestClass < TestBase
 
   end
 
+  def test_pathWithProperties
+
+    s = RBA::PathWithProperties::new
+    assert_equal(s.to_s, "() w=0 bx=0 ex=0 r=false props={}")
+
+    pid = RBA::Layout::properties_id({ 1 => "one" })
+    s = RBA::PathWithProperties::new(RBA::Path::new([ [0,0], [100, 0] ], 100), pid)
+    assert_equal(s.to_s, "(0,0;100,0) w=100 bx=0 ex=0 r=false props={1=>one}")
+    assert_equal(s.property(1), "one")
+    assert_equal(s.properties, { 1 => "one" })
+    s.set_property(1, "xxx")
+    assert_equal(s.to_s, "(0,0;100,0) w=100 bx=0 ex=0 r=false props={1=>xxx}")
+    s.delete_property(1)
+    assert_equal(s.to_s, "(0,0;100,0) w=100 bx=0 ex=0 r=false props={}")
+    assert_equal(s.property(1), nil)
+
+    s = RBA::DPathWithProperties::new
+    assert_equal(s.to_s, "() w=0 bx=0 ex=0 r=false props={}")
+
+    pid = RBA::Layout::properties_id({ 1 => "one" })
+    s = RBA::DPathWithProperties::new(RBA::DPath::new([ [0,0], [100, 0] ], 100), pid)
+    assert_equal(s.to_s, "(0,0;100,0) w=100 bx=0 ex=0 r=false props={1=>one}")
+    assert_equal(s.property(1), "one")
+    assert_equal(s.properties, { 1 => "one" })
+    s.set_property(1, "xxx")
+    assert_equal(s.to_s, "(0,0;100,0) w=100 bx=0 ex=0 r=false props={1=>xxx}")
+    s.delete_property(1)
+    assert_equal(s.to_s, "(0,0;100,0) w=100 bx=0 ex=0 r=false props={}")
+    assert_equal(s.property(1), nil)
+
+  end
+
 end
 
 load("test_epilogue.rb")
diff --git a/testdata/ruby/dbPolygonTest.rb b/testdata/ruby/dbPolygonTest.rb
index ef598737a..13e825d1c 100644
--- a/testdata/ruby/dbPolygonTest.rb
+++ b/testdata/ruby/dbPolygonTest.rb
@@ -894,6 +894,66 @@ class DBPolygon_TestClass < TestBase
 
   end
 
+  def test_polygonWithProperties
+
+    s = RBA::PolygonWithProperties::new
+    assert_equal(s.to_s, "() props={}")
+
+    pid = RBA::Layout::properties_id({ 1 => "one" })
+    s = RBA::PolygonWithProperties::new(RBA::Polygon::new(RBA::Box::new(0, 0, 100, 200)), pid)
+    assert_equal(s.to_s, "(0,0;0,200;100,200;100,0) props={1=>one}")
+    assert_equal(s.property(1), "one")
+    assert_equal(s.properties, { 1 => "one" })
+    s.set_property(1, "xxx")
+    assert_equal(s.to_s, "(0,0;0,200;100,200;100,0) props={1=>xxx}")
+    s.delete_property(1)
+    assert_equal(s.to_s, "(0,0;0,200;100,200;100,0) props={}")
+    assert_equal(s.property(1), nil)
+
+    s = RBA::DPolygonWithProperties::new
+    assert_equal(s.to_s, "() props={}")
+
+    pid = RBA::Layout::properties_id({ 1 => "one" })
+    s = RBA::DPolygonWithProperties::new(RBA::DPolygon::new(RBA::DBox::new(0, 0, 100, 200)), pid)
+    assert_equal(s.to_s, "(0,0;0,200;100,200;100,0) props={1=>one}")
+    assert_equal(s.property(1), "one")
+    assert_equal(s.properties, { 1 => "one" })
+    s.set_property(1, "xxx")
+    assert_equal(s.to_s, "(0,0;0,200;100,200;100,0) props={1=>xxx}")
+    s.delete_property(1)
+    assert_equal(s.to_s, "(0,0;0,200;100,200;100,0) props={}")
+    assert_equal(s.property(1), nil)
+
+    s = RBA::SimplePolygonWithProperties::new
+    assert_equal(s.to_s, "() props={}")
+
+    pid = RBA::Layout::properties_id({ 1 => "one" })
+    s = RBA::SimplePolygonWithProperties::new(RBA::SimplePolygon::new(RBA::Box::new(0, 0, 100, 200)), pid)
+    assert_equal(s.to_s, "(0,0;0,200;100,200;100,0) props={1=>one}")
+    assert_equal(s.property(1), "one")
+    assert_equal(s.properties, { 1 => "one" })
+    s.set_property(1, "xxx")
+    assert_equal(s.to_s, "(0,0;0,200;100,200;100,0) props={1=>xxx}")
+    s.delete_property(1)
+    assert_equal(s.to_s, "(0,0;0,200;100,200;100,0) props={}")
+    assert_equal(s.property(1), nil)
+
+    s = RBA::DSimplePolygonWithProperties::new
+    assert_equal(s.to_s, "() props={}")
+
+    pid = RBA::Layout::properties_id({ 1 => "one" })
+    s = RBA::DSimplePolygonWithProperties::new(RBA::DSimplePolygon::new(RBA::DBox::new(0, 0, 100, 200)), pid)
+    assert_equal(s.to_s, "(0,0;0,200;100,200;100,0) props={1=>one}")
+    assert_equal(s.property(1), "one")
+    assert_equal(s.properties, { 1 => "one" })
+    s.set_property(1, "xxx")
+    assert_equal(s.to_s, "(0,0;0,200;100,200;100,0) props={1=>xxx}")
+    s.delete_property(1)
+    assert_equal(s.to_s, "(0,0;0,200;100,200;100,0) props={}")
+    assert_equal(s.property(1), nil)
+
+  end
+
 end
 
 load("test_epilogue.rb")
diff --git a/testdata/ruby/dbTextTest.rb b/testdata/ruby/dbTextTest.rb
index 99d9551ad..ce00a852e 100644
--- a/testdata/ruby/dbTextTest.rb
+++ b/testdata/ruby/dbTextTest.rb
@@ -254,6 +254,38 @@ class DBText_TestClass < TestBase
 
   end
 
+  def test_textWithProperties
+
+    s = RBA::TextWithProperties::new
+    assert_equal(s.to_s, "('',r0 0,0) props={}")
+
+    pid = RBA::Layout::properties_id({ 1 => "one" })
+    s = RBA::TextWithProperties::new(RBA::Text::new("text", RBA::Trans::R90), pid)
+    assert_equal(s.to_s, "('text',r90 0,0) props={1=>one}")
+    assert_equal(s.property(1), "one")
+    assert_equal(s.properties, { 1 => "one" })
+    s.set_property(1, "xxx")
+    assert_equal(s.to_s, "('text',r90 0,0) props={1=>xxx}")
+    s.delete_property(1)
+    assert_equal(s.to_s, "('text',r90 0,0) props={}")
+    assert_equal(s.property(1), nil)
+
+    s = RBA::DTextWithProperties::new
+    assert_equal(s.to_s, "('',r0 0,0) props={}")
+
+    pid = RBA::Layout::properties_id({ 1 => "one" })
+    s = RBA::DTextWithProperties::new(RBA::DText::new("text", RBA::Trans::R90), pid)
+    assert_equal(s.to_s, "('text',r90 0,0) props={1=>one}")
+    assert_equal(s.property(1), "one")
+    assert_equal(s.properties, { 1 => "one" })
+    s.set_property(1, "xxx")
+    assert_equal(s.to_s, "('text',r90 0,0) props={1=>xxx}")
+    s.delete_property(1)
+    assert_equal(s.to_s, "('text',r90 0,0) props={}")
+    assert_equal(s.property(1), nil)
+
+  end
+
 end
 
 load("test_epilogue.rb")