From 9e8b57d6e6c5cee76af12bce27efb81041676314 Mon Sep 17 00:00:00 2001
From: Andreas Baumann <mail@andreasbaumann.cc>
Date: Sun, 6 Dec 2020 19:13:54 +0100
Subject: added testing framework (check)

---
 LINKS                     |  1 +
 emu/CMakeLists.txt        |  3 +++
 emu/emul.c                | 20 ++++++++++++-------
 emu/tests/CMakeLists.txt  |  4 ++++
 emu/tests/test_cpu_6502.c | 50 +++++++++++++++++++++++++++++++++++++++++++++++
 5 files changed, 71 insertions(+), 7 deletions(-)
 create mode 100644 emu/tests/CMakeLists.txt
 create mode 100644 emu/tests/test_cpu_6502.c

diff --git a/LINKS b/LINKS
index e5ec1ca..345b34e 100644
--- a/LINKS
+++ b/LINKS
@@ -139,3 +139,4 @@ http://nparker.llx.com/a2/opcodes.html
 testing:
 http://www.ucunit.org/_related__sites.html
 http://cunit.sourceforge.net/
+https://github.com/vndmtrx/check-cmake-example
diff --git a/emu/CMakeLists.txt b/emu/CMakeLists.txt
index 33f02f5..535802a 100644
--- a/emu/CMakeLists.txt
+++ b/emu/CMakeLists.txt
@@ -36,9 +36,12 @@ INCLUDE(FindPkgConfig)
 
 PKG_SEARCH_MODULE(SDL2 REQUIRED sdl2)
 PKG_SEARCH_MODULE(SDL2_GFX REQUIRED SDL2_gfx)
+PKG_SEARCH_MODULE(CHECK REQUIRED check)
 
 include_directories(${SDL2_INCLUDE_DIRS} ${SDL2_INCLUDE_DIRS})
 
 add_executable(emu ${SRC})
 target_link_libraries(emu ${SDL2_LIBRARIES} ${SDL2_GFX_LIBRARIES})
 
+enable_testing()
+add_subdirectory(tests)
diff --git a/emu/emul.c b/emu/emul.c
index 0399d33..4d2c3f1 100644
--- a/emu/emul.c
+++ b/emu/emul.c
@@ -74,6 +74,18 @@ void emul_start( emul_t *emul )
 	}
 }
 
+static void print_help( void )
+{
+	fprintf( stderr, "CPU is paused, press\n"
+		"(s) for single step\n"
+		"(f) fini (continue to next rts)\n"
+		"(c) for continue running\n"
+		"(b) break to single stepping\n"
+		"(+) speed up\n"
+		"(-) speed down\n"
+		"(q) or (ESC) for shutting down\n" );
+}
+
 void emul_run( emul_t *emul, int nof_steps )
 {
 #ifdef WITH_GUI
@@ -82,13 +94,7 @@ void emul_run( emul_t *emul, int nof_steps )
 		bool done = false;
 
 		if( emul->paused ) {
-			fprintf( stderr, "CPU is paused, press\n"
-				"(s) for single step\n"
-				"(c) for continue running\n"
-				"(b) break to single stepping\n"
-				"(+) speed up\n"
-				"(-) speed down\n"
-				"(q) or (ESC) for shutting down\n" );
+			print_help( );
 		}
 
 		while( !done ) {
diff --git a/emu/tests/CMakeLists.txt b/emu/tests/CMakeLists.txt
new file mode 100644
index 0000000..5011371
--- /dev/null
+++ b/emu/tests/CMakeLists.txt
@@ -0,0 +1,4 @@
+add_executable(test_cpu_6502 test_cpu_6502.c)
+target_link_libraries(test_cpu_6502 ${CHECK_LIBRARIES} pthread)
+
+add_test(NAME test_cpu_6502 COMMAND test_cpu_6502 WORKING_DIRECTORY ${CMAKE_BINARY_DIR}/tests)
diff --git a/emu/tests/test_cpu_6502.c b/emu/tests/test_cpu_6502.c
new file mode 100644
index 0000000..0eb6a2b
--- /dev/null
+++ b/emu/tests/test_cpu_6502.c
@@ -0,0 +1,50 @@
+#include <stdlib.h>
+#include <stdint.h>
+#include <check.h>
+
+void setup( void )
+{
+}
+
+void teardown( void )
+{
+}
+
+START_TEST( test_cpu_6502_nop )
+{
+}
+END_TEST
+
+Suite *make_cpu_6502_testsuite( void )
+{
+	Suite *suite;
+	TCase *tc_opcodes;
+	
+	suite = suite_create( "6502 CPU tests" );
+	
+	tc_opcodes = tcase_create( "test opcodes" );
+	
+	tcase_add_test( tc_opcodes, test_cpu_6502_nop );
+	
+	suite_add_tcase( suite, tc_opcodes );
+	
+	return suite;
+}
+
+int main( void )
+{
+	SRunner *runner;
+	int tests_failed = 0;
+	
+	runner = srunner_create( make_cpu_6502_testsuite( ) );
+	srunner_set_fork_status( runner, CK_NOFORK );
+	
+	srunner_set_log( runner, "test.log" );
+	srunner_set_xml( runner, "test.xml" );
+	srunner_run_all( runner, CK_VERBOSE );
+	
+	tests_failed = srunner_ntests_failed( runner );
+	srunner_free( runner );
+	
+	exit( ( tests_failed == 0 ) ? EXIT_SUCCESS : EXIT_FAILURE );
+}
-- 
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