add new failing test case

test/c/ffi_test.c

@@ -39,35 +39,41 @@ char* upcall_test_int_fn_string_ret(int (*f)(void)) {
 }
 
 CString get_string1(void) {
-    return responses[counter++ % 3];
+  return responses[counter++ % 3];
 }
 
 CString get_string2(void) {
-    return "Alternate string";
+  return "Alternate string";
 }
 
 StringFactory get_downcall(int whichString) {
-    switch (whichString % 2) {
-    case 0:
-        return get_string1;
-    case 1:
-        return get_string2;
-    default:
-        return 0;
-    }
+  switch (whichString % 2) {
+  case 0:
+    return get_string1;
+  case 1:
+    return get_string2;
+  default:
+    return 0;
+  }
 }
 
 typedef struct alignment_test {
-    char a;
-    double x;
-    float y;
+  char a;
+  double x;
+  float y;
 } AlignmentTest;
 
 AlignmentTest get_struct() {
-    AlignmentTest ret = {};
-    ret.a = 'x';
-    ret.x = 3.14;
-    ret.y = 42.0;
+  AlignmentTest ret = {};
+  ret.a = 'x';
+  ret.x = 3.14;
+  ret.y = 42.0;
 
-    return ret;
+  return ret;
 }
+
+void test_call_with_trailing_string_arg(int a, int b, char* text) {
+  printf("call of `test_call_with_trailing_string_arg` with a=%i b=%i text='%s'",a,b,text);
+  return;
+}
+

test/clj/coffi/ffi_test.clj

@@ -59,3 +59,12 @@
   (ffi/freset! (ffi/static-variable "counter" ::mem/int) 1)
   (t/is (= ((ffi/cfn "get_string1" [] ::mem/c-string))
            "Goodbye friend.")))
+
+(t/deftest can-call-with-trailing-string-arg
+  (t/is
+   (=
+    ((ffi/cfn "test_call_with_trailing_string_arg"
+              [::mem/int ::mem/int ::mem/c-string]
+              ::mem/void)
+     1 2 "third arg")
+           )))