test: Add unit tests to CMake

cmake/FindCppUnit.cmake

@@ -0,0 +1,48 @@
+#
+# Find the CppUnit includes and library
+#
+# This module defines
+# CPPUNIT_INCLUDE_DIR, where to find tiff.h, etc.
+# CPPUNIT_LIBRARIES, the libraries to link against to use CppUnit.
+# CPPUNIT_FOUND, If false, do not try to use CppUnit.
+
+# also defined, but not for general use are
+# CPPUNIT_LIBRARY, where to find the CppUnit library.
+# CPPUNIT_DEBUG_LIBRARY, where to find the CppUnit library in debug mode.
+
+FIND_PATH(CPPUNIT_INCLUDE_DIR cppunit/TestCase.h HINTS
+		/usr/local/include
+		/usr/include
+		ENV CppUnit_ROOT
+	 )
+
+# With Win32, important to have both
+IF(WIN32)
+	FIND_LIBRARY(CPPUNIT_LIBRARY cppunit
+			${CPPUNIT_INCLUDE_DIR}/../lib
+			/usr/local/lib
+			/usr/lib)
+	FIND_LIBRARY(CPPUNIT_DEBUG_LIBRARY cppunitd
+			${CPPUNIT_INCLUDE_DIR}/../lib
+			/usr/local/lib
+			/usr/lib)
+ELSE(WIN32)
+# On unix system, debug and release have the same name
+	FIND_LIBRARY(CPPUNIT_LIBRARY cppunit
+			${CPPUNIT_INCLUDE_DIR}/../lib
+			/usr/local/lib
+			/usr/lib)
+	FIND_LIBRARY(CPPUNIT_DEBUG_LIBRARY cppunit
+			${CPPUNIT_INCLUDE_DIR}/../lib
+			/usr/local/lib
+			/usr/lib)
+ENDIF(WIN32)
+
+	IF(CPPUNIT_INCLUDE_DIR)
+IF(CPPUNIT_LIBRARY)
+	SET(CPPUNIT_FOUND "YES")
+SET(CPPUNIT_LIBRARIES ${CPPUNIT_LIBRARY} ${CMAKE_DL_LIBS})
+	SET(CPPUNIT_DEBUG_LIBRARIES ${CPPUNIT_DEBUG_LIBRARY}
+			${CMAKE_DL_LIBS})
+	ENDIF(CPPUNIT_LIBRARY)
+ENDIF(CPPUNIT_INCLUDE_DIR)