Fixed tests and Makefile for the last time.

Makefile

@@ -86,7 +86,7 @@ $(TEST_OBJ_DIR)/test_%.o: $(TEST_DIR)/test_%.c
 	$(CC) $(CFLAGS) -c $< -o $@
 
 # Link final test binary.
-$(TEST_BUILD_DIR)/test_%.out: $(TEST_OBJ_DIR)/test_%.o $(OBJ_DIR)/%.o $(UNITY_OBJ)
+$(TEST_BUILD_DIR)/test_%.out: $(TEST_OBJ_DIR)/test_%.o $(OBJ_DIR)/grammar.o $(OBJ_FILES_NOMAIN) $(UNITY_OBJ)
 	@ mkdir -p $(TEST_BUILD_DIR)
 	@ $(PRINT) "$(WHITE_BOLD)Linking test binary $(WHITE)$@$(WHITE_BOLD)...$(RESETCOLOR)"
 	$(LINK) -o $@ $? $(LDFLAGS)

src/global.c

@@ -0,0 +1,6 @@
+#include "include/global.h"
+
+#include <stdlib.h>
+
+// Global input text.
+char* inp = NULL;

src/include/global.h

@@ -0,0 +1,4 @@
+#ifndef GLOBAL_H
+#define GLOBAL_H
+
+#endif

src/main.c

@@ -1,6 +1,7 @@
 #include <stdio.h>
 #include <string.h>
 
+#include "include/global.h"
 #include "include/ast.h"
 #include "include/dstr.h"
 #include "include/exec.h"
@@ -11,10 +12,7 @@
 
 // Global Abstract Syntax Tree.
 extern AST* root;
-
+extern char* inp;
-// Global input text.
-char* inp = NULL;
-
 extern int yyparse();
 
 int main(int argc, char** argv) {

test/test_ast.c

@@ -0,0 +1,21 @@
+#include "../src/include/ast.h"
+#include "Unity/src/unity.h"
+#include "Unity/src/unity_internals.h"
+
+void setUp() {}
+void tearDown() {}
+
+void test_ast_num() {
+    ASTNumData* num = ast_num_data_init(12.0);
+    AST* ast = ast_init(AST_TYPE_NUM, num);
+
+    TEST_ASSERT_EQUAL(AST_TYPE_NUM, ast->type);
+    TEST_ASSERT_EQUAL(12.0, *(ASTNumData*)ast->data);
+}
+
+
+int main() {
+    UNITY_BEGIN();
+    RUN_TEST(test_ast_num);
+    return UNITY_END();
+}

test/test_dstr.c

@@ -69,8 +69,7 @@ void test_dstr_appendch() {
     TEST_ASSERT_EQUAL(DSTR_INITSZ * 2, dstr->sz);
 }
 
-// not needed when using generate_test_runner.rb
+int main() {
-int main(void) {
     UNITY_BEGIN();
     RUN_TEST(test_dstr_init);
     RUN_TEST(test_dstr_append);