Added unittest (requires Boost unit test framework).

CMakeLists.txt

@@ -1,9 +1,13 @@
 cmake_minimum_required (VERSION 2.6)
 project (libsettable)
 
-find_package(Boost)
+find_package(Boost 1.42 COMPONENTS system unit_test_framework)
 
 include_directories(${PROJECT_SOURCE_DIR}/src
                     ${Boost_INCLUDE_DIRS})
 
 add_subdirectory(examples)
+
+enable_testing()
+
+add_subdirectory(unittest)

unittest/CMakeLists.txt

@@ -0,0 +1,9 @@
+cmake_minimum_required (VERSION 2.6)
+
+link_directories(${Boost_LIBRARY_DIRS})
+
+add_executable(unittest unittest.cpp)
+
+target_link_libraries(unittest ${Boost_LIBRARIES})
+
+add_test(unittest unittest)

unittest/unittest.cpp

@@ -0,0 +1,70 @@
+#include "attributes.hpp"
+
+#define BOOST_TEST_DYN_LINK
+#define BOOST_TEST_MODULE attributes_test
+
+#include <boost/test/unit_test.hpp>
+
+#include <iostream>
+#include <boost/lexical_cast.hpp>
+
+namespace string2type {
+
+template<>
+int convert<int>(const std::string &value) {
+    return boost::lexical_cast<int>(value);
+}
+
+}
+
+struct test : attributes {
+    test() : x(0) {
+        REGISTER_ATTRIBUTE(int, x);
+    }
+
+    int x;
+};
+
+struct test_fixture {
+    test_fixture() : object() {
+        BOOST_TEST_MESSAGE( "setup fixture" );
+    }
+
+    ~test_fixture() {
+        BOOST_TEST_MESSAGE( "teardown fixture" );
+    }
+    
+    test object;
+};
+
+BOOST_AUTO_TEST_SUITE(string2type_test)
+
+BOOST_AUTO_TEST_CASE( test1 )
+{
+    int x = string2type::convert<int>("42");
+
+    BOOST_CHECK( x == 42 );
+}
+
+BOOST_AUTO_TEST_SUITE_END()
+
+BOOST_FIXTURE_TEST_SUITE( test_suite, test_fixture )
+
+//____________________________________________________________________________//
+
+BOOST_AUTO_TEST_CASE( test2 )
+{
+    BOOST_CHECK( object.x == 0 );
+
+    object.set_attribute("x", "42");
+
+    BOOST_CHECK( object.x == 42 );
+
+    object.set_attribute("x", "0");
+
+    BOOST_CHECK( object.x == 0 );
+}
+
+//____________________________________________________________________________//
+
+BOOST_AUTO_TEST_SUITE_END()