Merged varargs support with const support

fakegen.rb

@@ -77,7 +77,7 @@ end
 def define_save_arg_helper
   putd ""
   putd "#define SAVE_ARG(FUNCNAME, n) \\"
-  putd "    FUNCNAME##_fake.arg##n##_val = arg##n"
+  putd "    memcpy((void*)&FUNCNAME##_fake.arg##n##_val, (void*)&arg##n, sizeof(arg##n));"
 end
 
 def define_room_for_more_history
@@ -89,7 +89,7 @@ end
 def define_save_arg_history_helper
   putd ""
   putd "#define SAVE_ARG_HISTORY(FUNCNAME, ARGN) \\"
-  putd "    FUNCNAME##_fake.arg##ARGN##_history[FUNCNAME##_fake.call_count] = arg##ARGN"
+  putd "    memcpy((void*)&FUNCNAME##_fake.arg##ARGN##_history[FUNCNAME##_fake.call_count], (void*)&arg##ARGN, sizeof(arg##ARGN));"
 end
 
 def define_history_dropped_helper

fff.h

@@ -29,13 +29,13 @@
     unsigned int arg_histories_dropped; \
 
 #define SAVE_ARG(FUNCNAME, n) \
-    FUNCNAME##_fake.arg##n##_val = arg##n
+    memcpy((void*)&FUNCNAME##_fake.arg##n##_val, (void*)&arg##n, sizeof(arg##n));
 
 #define ROOM_FOR_MORE_HISTORY(FUNCNAME) \
   FUNCNAME##_fake.call_count < FFF_ARG_HISTORY_LEN
 
 #define SAVE_ARG_HISTORY(FUNCNAME, ARGN) \
-    FUNCNAME##_fake.arg##ARGN##_history[FUNCNAME##_fake.call_count] = arg##ARGN
+    memcpy((void*)&FUNCNAME##_fake.arg##ARGN##_history[FUNCNAME##_fake.call_count], (void*)&arg##ARGN, sizeof(arg##ARGN));
 
 #define HISTORY_DROPPED(FUNCNAME) \
     FUNCNAME##_fake.arg_histories_dropped++

test/fff_test_c.c

@@ -28,6 +28,7 @@ FAKE_VALUE_FUNC(long, longfunc0);
 FAKE_VALUE_FUNC(enum MYBOOL, enumfunc0);
 FAKE_VALUE_FUNC(struct MyStruct, structfunc0);
 FAKE_VOID_FUNC3_VARARG(voidfunc3var, char *, int, ...);
+FAKE_VALUE_FUNC(int, strlcpy3, char* const, const char* const, const size_t);
 
 
 void setup()
@@ -38,6 +39,7 @@ void setup()
     RESET_FAKE(enumfunc0);
     RESET_FAKE(structfunc0);
     RESET_FAKE(voidfunc3var);
+    RESET_FAKE(strlcpy3);
     FFF_RESET_HISTORY();
 }
 
@@ -70,6 +72,7 @@ int main()
     RUN_TEST(FFFTestSuite, when_void_func_with_2_char_args_called_then_last_args_captured);
     RUN_TEST(FFFTestSuite, when_void_func_with_2_char_args_called_twice_then_last_args_captured);
     RUN_TEST(FFFTestSuite, when_void_func_with_2_char_args_called_and_reset_then_captured_arg_is_zero);
+    RUN_TEST(FFFTestSuite, when_fake_func_called_then_const_arguments_captured);
 
     RUN_TEST(FFFTestSuite, when_fake_func_created_default_history_is_fifty_calls);
     RUN_TEST(FFFTestSuite, when_fake_func_called_then_arguments_captured_in_history);

test/fff_test_global_c.c

@@ -14,6 +14,7 @@ void setup()
     RESET_FAKE(enumfunc0);
     RESET_FAKE(structfunc0);
     RESET_FAKE(voidfunc3var);
+    RESET_FAKE(strlcpy3);
 
     FFF_RESET_HISTORY();
 }
@@ -40,6 +41,7 @@ int main()
     RUN_TEST(FFFTestSuite, when_void_func_with_2_char_args_called_then_last_args_captured);
     RUN_TEST(FFFTestSuite, when_void_func_with_2_char_args_called_twice_then_last_args_captured);
     RUN_TEST(FFFTestSuite, when_void_func_with_2_char_args_called_and_reset_then_captured_arg_is_zero);
+    RUN_TEST(FFFTestSuite, when_fake_func_called_then_const_arguments_captured);
 
     RUN_TEST(FFFTestSuite, when_fake_func_created_default_history_is_fifty_calls);
     RUN_TEST(FFFTestSuite, when_fake_func_called_then_arguments_captured_in_history);

test/global_fakes.c

@@ -7,3 +7,6 @@ DEFINE_FAKE_VALUE_FUNC0(long, longfunc0);
 DEFINE_FAKE_VALUE_FUNC0(enum MYBOOL, enumfunc0);
 DEFINE_FAKE_VALUE_FUNC0(struct MyStruct, structfunc0);
 DEFINE_FAKE_VOID_FUNC3_VARARG(voidfunc3var, const char *, int, ...);
+#ifndef __cplusplus
+DEFINE_FAKE_VALUE_FUNC3(int, strlcpy3, char* const, const char* const, const size_t);
+#endif /* __cplusplus */

test/global_fakes.h

@@ -3,6 +3,7 @@
 #define GLOBAL_FAKES_H_
 
 #include "../fff.h"
+#include "string.h"
 
 
 ////  Imaginary production code header file ///
@@ -26,5 +27,8 @@ DECLARE_FAKE_VALUE_FUNC0(long, longfunc0);
 DECLARE_FAKE_VALUE_FUNC0(enum MYBOOL, enumfunc0);
 DECLARE_FAKE_VALUE_FUNC0(struct MyStruct, structfunc0);
 DECLARE_FAKE_VOID_FUNC3_VARARG(voidfunc3var, const char *, int, ...);
+#ifndef __cplusplus
+DECLARE_FAKE_VALUE_FUNC3(int, strlcpy3, char* const, const char* const, const size_t);
+#endif /* __cplusplus */
 
 #endif /* GLOBAL_FAKES_H_ */

test/test_cases.include

@@ -63,6 +63,14 @@ TEST_F(FFFTestSuite, when_void_func_with_2_char_args_called_and_reset_then_captu
     ASSERT_EQ(voidfunc2_fake.arg1_val, 0);
 }
 
+#ifndef __cplusplus
+TEST_F(FFFTestSuite, when_fake_func_called_then_const_arguments_captured)
+{
+    char dst[80];
+    strlcpy3(dst, __FUNCTION__, sizeof(__FUNCTION__));
+}
+#endif /* __cplusplus */
+
 // Argument history
 TEST_F(FFFTestSuite, when_fake_func_created_default_history_is_fifty_calls)
 {