4 files changed, 95 insertions, 0 deletions
diff --git a/tests/Makefile b/tests/Makefile
new file mode 100644
index 0000000..19881a2
--- /dev/null
+++ b/tests/Makefile
@@ -0,0 +1,17 @@
+CASES := $(wildcard test_*.c)
+CASES_OBJ := $(CASES:.c=.o)
+
+.PHONY: run
+
+run: test
+
+test: test.o $(CASES_OBJ) test.h
+	@echo Case sources: $(CASES)
+	@echo Objects: $(CASES_OBJ)
+	$(CC) -o $@ $^
+
+test%.o: test%.c
+	$(CC) -I../src -c -o $@ $<
+
+clean:
+	rm *.o test
diff --git a/tests/cases_list.h b/tests/cases_list.h
new file mode 100644
index 0000000..e69de29
--- /dev/null
+++ b/tests/cases_list.h
diff --git a/tests/test.c b/tests/test.c
new file mode 100644
index 0000000..a919301
--- /dev/null
+++ b/tests/test.c
@@ -0,0 +1,56 @@
+#include <stdio.h>
+#include <stdlib.h>
+#include <stdbool.h>
+
+#define COLOR_RED    "\e[31m"
+#define COLOR_GREEN  "\e[32m"
+#define COLOR_R      "\e[0m"
+
+#define GET_RES(func) {\
+  int res = func();\
+  if (res > 0) {\
+    /*printf(COLOR_RED "Case " #func " failed" COLOR_R "\n");*/\
+    failed_cases += 1;\
+  }\
+  failed_assertions += res;\
+}
+
+enum TestCases {
+#define CASE(__case__) TestCase_##__case__ ,
+#include "cases_list.h"
+#undef CASE
+  TestCase_MAXCASES,
+};
+
+#define CASE(__case__) \
+extern unsigned __case__();
+#include "cases_list.h"
+#undef CASE
+
+unsigned ((*test_cases[TestCase_MAXCASES])(void)) = {
+#define CASE(__case__) [TestCase_##__case__] = &(__case__),
+#include "cases_list.h"
+#undef CASE
+};
+
+int total_assertions = 0;
+
+int main () {
+  int failed_assertions = 0;
+  int failed_cases = 0;
+
+  for (int i = 0; i < TestCase_MAXCASES; i++) {
+    GET_RES(test_cases[i]);
+  }
+
+  if (!failed_assertions) {
+    printf(COLOR_GREEN "All tests passed!\n" COLOR_R);
+    exit(EXIT_SUCCESS);
+  } else {
+    puts("\n=================================== TEST SUMMARY ================================\n");
+    printf(COLOR_GREEN "Pass: %d \t" COLOR_RED "Failed: %d\n" COLOR_R, total_assertions - failed_assertions, failed_assertions);
+    exit(EXIT_FAILURE);
+  }
+
+  return 0;
+}
diff --git a/tests/test.h b/tests/test.h
new file mode 100644
index 0000000..1d60ca8
--- /dev/null
+++ b/tests/test.h
@@ -0,0 +1,22 @@
+#ifndef TEST_H
+#define TEST_H
+
+#include <stdio.h>
+
+#define TEST_CASE(__case_name__, __case__) int __case_name__(){ \
+  const char* testname = #__case_name__;\
+  int fail_counter = 0;\
+  __case__\
+  return fail_counter;\
+}
+
+#define CHECK(__assertion__) {\
+  total_assertions += 1; \
+  if (!(__assertion__)) {\
+  printf("Test failed: %s in %s:%d\n> " #__assertion__ "\n", testname, __FILE__, __LINE__);\
+  fail_counter += 1;\
+}}
+
+extern int total_assertions;
+
+#endif