Add basic tests

For now the only thing checked is that header files compile by
themselves, e.g. includes and forward declarations in them are
complete and they do not require extra includes

CMakeLists.txt

@@ -35,8 +35,9 @@ IF(CMAKE_SOURCE_DIR STREQUAL PROJECT_SOURCE_DIR)
 	ADD_LIBRARY(SDL2pp SHARED ${LIBRARY_SOURCES})
 	TARGET_LINK_LIBRARIES(SDL2pp ${SDL2_LIBRARY})
 
-	# demos
+	# demos and tests
 	ADD_SUBDIRECTORY(demos)
+	ADD_SUBDIRECTORY(tests)
 ELSE(CMAKE_SOURCE_DIR STREQUAL PROJECT_SOURCE_DIR)
 	MESSAGE(STATUS "libSDL2pp bundled build")
 

tests/CMakeLists.txt

@@ -0,0 +1,17 @@
+# header tests: these just include specific headers to check if
+# they are compilable (e.g., includes and forward declarations are
+# complete and do not require extra includes)
+SET(HEADER_TESTS
+	hdr_exception
+	hdr_point
+	hdr_rect
+	hdr_renderer
+	hdr_sdl
+	hdr_sdl2pp
+	hdr_texture
+	hdr_window
+)
+
+FOREACH(TEST ${HEADER_TESTS})
+	ADD_EXECUTABLE(${TEST} ${TEST}.cc)
+ENDFOREACH(TEST ${TESTS})

tests/hdr_exception.cc

@@ -0,0 +1,5 @@
+#include <SDL2pp/Exception.hh>
+
+int main() {
+	return 0;
+}

tests/hdr_point.cc

@@ -0,0 +1,5 @@
+#include <SDL2pp/Point.hh>
+
+int main() {
+	return 0;
+}

tests/hdr_rect.cc

@@ -0,0 +1,5 @@
+#include <SDL2pp/Rect.hh>
+
+int main() {
+	return 0;
+}

tests/hdr_renderer.cc

@@ -0,0 +1,5 @@
+#include <SDL2pp/Renderer.hh>
+
+int main() {
+	return 0;
+}

tests/hdr_sdl.cc

@@ -0,0 +1,5 @@
+#include <SDL2pp/SDL.hh>
+
+int main() {
+	return 0;
+}

tests/hdr_sdl2pp.cc

@@ -0,0 +1,5 @@
+#include <SDL2pp/SDL2pp.hh>
+
+int main() {
+	return 0;
+}

tests/hdr_texture.cc

@@ -0,0 +1,5 @@
+#include <SDL2pp/Texture.hh>
+
+int main() {
+	return 0;
+}

tests/hdr_window.cc

@@ -0,0 +1,5 @@
+#include <SDL2pp/Window.hh>
+
+int main() {
+	return 0;
+}