Added unit tests

CMakeLists.txt

@@ -8,6 +8,9 @@ set(CMAKE_CXX_STANDARD 17)
 set(CMAKE_RUNTIME_OUTPUT_DIRECTORY ${CMAKE_BINARY_DIR}/bin/)
 file(MAKE_DIRECTORY ${CMAKE_RUNTIME_OUTPUT_DIRECTORY})
 
-include(CTest)
+add_subdirectory(src)
 
-add_subdirectory(src)
+if (PROJECT_IS_TOP_LEVEL)
+	include(CTest)
+	add_subdirectory(testing)
+endif()

testing/CMakeLists.txt

@@ -0,0 +1,28 @@
+cmake_minimum_required(VERSION 3.22)
+
+enable_testing()
+
+set(TESTS_DIR ${CMAKE_CURRENT_SOURCE_DIR}/)
+set(TEST_RUNNER ${CMAKE_RUNTIME_OUTPUT_DIRECTORY}acme)
+
+# Test macro expressions
+add_test(macro_math1 ${TEST_RUNNER} ${TESTS_DIR}math1.a)
+add_test(macro_numberflags ${TEST_RUNNER} ${TESTS_DIR}numberflags.a)
+
+# Test input files which should generate an error
+set(TESTS_DIR ${CMAKE_CURRENT_SOURCE_DIR}/errors/)
+file(GLOB ERROR_TESTS ${TESTS_DIR}/*.a)
+foreach (testsourcefile ${ERROR_TESTS})
+    get_filename_component(testname ${testsourcefile} NAME_WLE)	
+	add_test(${testname} ${TEST_RUNNER} ${TESTS_DIR}${testsourcefile})
+	set_tests_properties(${testname} PROPERTIES WILL_FAIL TRUE)
+endforeach (testsourcefile ${ERROR_TESTS})
+
+# Comparison tests for each CPU type. Compare output
+set(TESTS_DIR ${CMAKE_CURRENT_SOURCE_DIR}/cpus/)
+set(CPUS 6502 65c02 r65c02 w65c02 nmos6502 c64dtv2 65ce02 4502 m65 65816)
+foreach (cpu ${CPUS})
+	add_test(test-${cpu} ${TEST_RUNNER} -v0 -I ${TESTS_DIR} ${TESTS_DIR}test-${cpu}.a)
+	add_test(cmp-test-${cpu} ${CMAKE_COMMAND} -E compare_files out-${cpu}.o ${TESTS_DIR}expected-${cpu}.o
+	)
+endforeach (cpu ${CPUS})