diff --git a/CMakeLists.txt b/CMakeLists.txt
index 852ac4a5..88cc5427 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -28,6 +28,7 @@ include( CheckCSourceCompiles )
 include( CheckCXXSourceCompiles )
 include( CheckLibraryExists )
 include( CheckSymbolExists )
+enable_testing( )
 
 
 ##### include our cmake modules #################
diff --git a/libkcal/CMakeLists.txt b/libkcal/CMakeLists.txt
index af759feb..dbded2cb 100644
--- a/libkcal/CMakeLists.txt
+++ b/libkcal/CMakeLists.txt
@@ -17,6 +17,7 @@ tde_import( libkmime )
 tde_import( ktnef )
 
 add_subdirectory( versit )
+add_subdirectory( tests )
 
 include_directories(
   ${CMAKE_CURRENT_BINARY_DIR}
diff --git a/libkcal/tests/CMakeLists.txt b/libkcal/tests/CMakeLists.txt
new file mode 100644
index 00000000..386982c4
--- /dev/null
+++ b/libkcal/tests/CMakeLists.txt
@@ -0,0 +1,82 @@
+#################################################
+#
+#  (C) 2019 Michele Calgaro
+#  michele (DOT) calgaro (AT) yahoo (DOT) it
+#
+#  Improvements and feedbacks are welcome
+#
+#  This file is released under GPL >= 3
+#
+#################################################
+
+include_directories(
+  ${TQT_INCLUDE_DIRS}
+  ${TDE_INCLUDE_DIR}
+  ${CMAKE_SOURCE_DIR}
+  ${CMAKE_BINARY_DIR}
+  ${CMAKE_CURRENT_SOURCE_DIR}
+  ${CMAKE_CURRENT_BINARY_DIR}
+  ${CMAKE_SOURCE_DIR}/libkcal
+  ${CMAKE_SOURCE_DIR}/libtdepim
+)
+
+set( _link_libkcal_tests
+  ${TQT_LIBRARIES}
+  DCOP-shared
+  tdecore-shared
+  tdeui-shared
+  tdefx-shared
+  tdeio-shared
+  tdetexteditor-shared
+  kcal-shared
+)
+
+
+### executable files
+
+set( _test_executables
+  fbrecurring readandwrite testcalendar testcalselectdialog testfb testfields testincidence testrecurprevious
+  testrecurrence testrecurrencetype testrecurson testresource testtostring testvcalexport
+)
+
+foreach( _test_name ${_test_executables} )
+	tde_add_check_executable( ${_test_name}
+		SOURCES ${_test_name}.cpp AUTOMOC
+		LINK ${_link_libkcal_tests}
+	)
+endforeach( )
+
+set_target_properties( testfields
+ PROPERTIES COMPILE_FLAGS -DINPUT='\"${CMAKE_CURRENT_SOURCE_DIR}/data/test_pilot.ics\"'
+)
+
+
+### tests
+
+add_custom_command(
+  TARGET fbrecurring PRE_BUILD
+  COMMAND test -d data || cp -vr ${CMAKE_CURRENT_SOURCE_DIR}/data data
+  WORKING_DIRECTORY ${CMAKE_CURRENT_BINARY_DIR}
+)
+
+set ( _test1 testrecurrence    "next"     ${CMAKE_CURRENT_SOURCE_DIR}/data/RecurrenceRule/*.ics )
+set ( _test2 testrecurprevious "prev"     ${CMAKE_CURRENT_SOURCE_DIR}/data/RecurrenceRule/*.ics )
+set ( _test3 testrecurson      "recurson" ${CMAKE_CURRENT_SOURCE_DIR}/data/RecurrenceRule/*.ics )
+set ( _test4 readandwrite      "ical"     ${CMAKE_CURRENT_SOURCE_DIR}/data/Compat/*.ics )
+set ( _test5 testvcalexport    "vcal"     ${CMAKE_CURRENT_SOURCE_DIR}/data/vCalendar/*.ics )
+set ( _test6 readandwrite      "ical"     ${CMAKE_CURRENT_SOURCE_DIR}/data/vCalendar/*.vcs )
+set ( _all_tests _test1 _test2 _test3 _test4 _test5 _test6 )
+
+foreach( _test_name ${_all_tests} )
+  list( GET ${_test_name} 0 _test_executable )
+  list( GET ${_test_name} 1 _test_id )
+  list( GET ${_test_name} 2 _test_search_filter )
+	file( GLOB_RECURSE _test_files RELATIVE ${CMAKE_CURRENT_SOURCE_DIR} ${_test_search_filter} )
+	foreach( _test_file ${_test_files} )
+		add_test(
+		  ${_test_executable}__${_test_file}__
+			${CMAKE_CURRENT_SOURCE_DIR}/runtestcase.pl ${_test_executable} ${_test_id} ${CMAKE_CURRENT_BINARY_DIR}/${_test_file}
+			)
+	endforeach( )
+endforeach( )
+
diff --git a/libkcal/tests/Makefile.am b/libkcal/tests/Makefile.am
index b9b1cc25..9b7e6cbb 100644
--- a/libkcal/tests/Makefile.am
+++ b/libkcal/tests/Makefile.am
@@ -4,8 +4,6 @@ INCLUDES = -I$(top_srcdir)/libkcal \
   -I../libical/src/libicalss -I$(srcdir)/../versit \
   -I$(top_srcdir) $(all_includes)
 
-AM_CPPFLAGS = -DKDETOPSRCDIR=\"$(top_srcdir)\"
-
 check_PROGRAMS = testtostring \
                  testincidence \
                  testcalendar \
diff --git a/libkcal/tests/readandwrite.cpp b/libkcal/tests/readandwrite.cpp
index 5f6c3488..23056d6e 100644
--- a/libkcal/tests/readandwrite.cpp
+++ b/libkcal/tests/readandwrite.cpp
@@ -22,7 +22,7 @@
 #include "calendarlocal.h"
 
 extern "C" {
-#include "icaltimezone.h"
+#include "libical/icaltimezone.h"
 }
 
 #include <tdeaboutdata.h>
@@ -58,9 +58,6 @@ int main( int argc, char **argv )
     args->usage( "Wrong number of arguments." );
   }
 
-  // use zoneinfo data from source dir
-  set_zone_directory( KDETOPSRCDIR "/libkcal/libical/zoneinfo" );
-
   TQString input = TQFile::decodeName( args->arg( 0 ) );
   TQString output = TQFile::decodeName( args->arg( 1 ) );
 
diff --git a/libkcal/tests/testrecurprevious.cpp b/libkcal/tests/testrecurprevious.cpp
index 2dae1543..d8cd90ab 100644
--- a/libkcal/tests/testrecurprevious.cpp
+++ b/libkcal/tests/testrecurprevious.cpp
@@ -23,7 +23,7 @@
 #include "calendarlocal.h"
 
 extern "C" {
-#include "icaltimezone.h"
+#include "libical/icaltimezone.h"
 }
 
 #include <tdeaboutdata.h>
@@ -61,9 +61,6 @@ int main( int argc, char **argv )
     args->usage( "Wrong number of arguments." );
   }
 
-  // use zoneinfo data from source dir
-  set_zone_directory( KDETOPSRCDIR "/libkcal/libical/zoneinfo" );
-
   TQString input = TQFile::decodeName( args->arg( 0 ) );
   kdDebug(5800) << "Input file: " << input << endl;
 
diff --git a/libkcal/tests/testrecurrence.cpp b/libkcal/tests/testrecurrence.cpp
index 5a77de86..c8eaaa06 100644
--- a/libkcal/tests/testrecurrence.cpp
+++ b/libkcal/tests/testrecurrence.cpp
@@ -23,7 +23,7 @@
 #include "calendarlocal.h"
 
 extern "C" {
-#include "icaltimezone.h"
+#include "libical/icaltimezone.h"
 }
 
 #include <tdeaboutdata.h>
@@ -61,9 +61,6 @@ int main( int argc, char **argv )
     args->usage( "Wrong number of arguments." );
   }
 
-  // use zoneinfo data from source dir
-  set_zone_directory( KDETOPSRCDIR "/libkcal/libical/zoneinfo" );
-
   TQString input = TQFile::decodeName( args->arg( 0 ) );
   kdDebug(5800) << "Input file: " << input << endl;
 
diff --git a/libkcal/tests/testrecurrencetype.cpp b/libkcal/tests/testrecurrencetype.cpp
index 5a77de86..c8eaaa06 100644
--- a/libkcal/tests/testrecurrencetype.cpp
+++ b/libkcal/tests/testrecurrencetype.cpp
@@ -23,7 +23,7 @@
 #include "calendarlocal.h"
 
 extern "C" {
-#include "icaltimezone.h"
+#include "libical/icaltimezone.h"
 }
 
 #include <tdeaboutdata.h>
@@ -61,9 +61,6 @@ int main( int argc, char **argv )
     args->usage( "Wrong number of arguments." );
   }
 
-  // use zoneinfo data from source dir
-  set_zone_directory( KDETOPSRCDIR "/libkcal/libical/zoneinfo" );
-
   TQString input = TQFile::decodeName( args->arg( 0 ) );
   kdDebug(5800) << "Input file: " << input << endl;
 
diff --git a/libkcal/tests/testrecurson.cpp b/libkcal/tests/testrecurson.cpp
index f5d1841c..028273e2 100644
--- a/libkcal/tests/testrecurson.cpp
+++ b/libkcal/tests/testrecurson.cpp
@@ -23,7 +23,7 @@
 #include "calendarlocal.h"
 
 extern "C" {
-#include "icaltimezone.h"
+#include "libical/icaltimezone.h"
 }
 
 #include <tdeaboutdata.h>
@@ -61,9 +61,6 @@ int main( int argc, char **argv )
     args->usage( "Wrong number of arguments." );
   }
 
-  // use zoneinfo data from source dir
-  set_zone_directory( KDETOPSRCDIR "/libkcal/libical/zoneinfo" );
-
   TQString input = TQFile::decodeName( args->arg( 0 ) );
   kdDebug(5800) << "Input file: " << input << endl;
 
diff --git a/libkcal/tests/testvcalexport.cpp b/libkcal/tests/testvcalexport.cpp
index 7cf619d0..b24894e3 100644
--- a/libkcal/tests/testvcalexport.cpp
+++ b/libkcal/tests/testvcalexport.cpp
@@ -26,7 +26,7 @@
 #include "filestorage.h"
 
 extern "C" {
-#include "icaltimezone.h"
+#include "libical/icaltimezone.h"
 }
 
 #include <tdeaboutdata.h>
@@ -62,9 +62,6 @@ int main( int argc, char **argv )
     args->usage( "Wrong number of arguments." );
   }
 
-  // use zoneinfo data from source dir
-  set_zone_directory( KDETOPSRCDIR "/libkcal/libical/zoneinfo" );
-
   TQString input = TQFile::decodeName( args->arg( 0 ) );
   TQString output = TQFile::decodeName( args->arg( 1 ) );