Add unlink TODO

Author: lucic71

tests/unit/out/unsafe/stdio.rs

@@ -130,6 +130,7 @@ pub unsafe fn test_fileno_3() {
         }) == (2)) as i32)
             != 0)
     );
+    let mut file: *const u8 = (b"/tmp/cpp2rust_fileno_test.tmp\0".as_ptr().cast_mut()).cast_const();
     let mut fp: *mut ::std::fs::File =
         match std::ffi::CStr::from_ptr((b"wb\0".as_ptr().cast_mut()).cast_const() as *const i8)
             .to_str()
@@ -138,12 +139,9 @@ pub unsafe fn test_fileno_3() {
             v if v == "rb" => std::fs::OpenOptions::new()
                 .read(true)
                 .open(
-                    std::ffi::CStr::from_ptr(
-                        (b"/tmp/cpp2rust_fileno_test.tmp\0".as_ptr().cast_mut()).cast_const()
-                            as *const i8,
-                    )
-                    .to_str()
-                    .expect("invalid c-string"),
+                    std::ffi::CStr::from_ptr(file as *const i8)
+                        .to_str()
+                        .expect("invalid c-string"),
                 )
                 .ok()
                 .map_or(std::ptr::null_mut(), |f| Box::into_raw(Box::new(f))),
@@ -152,12 +150,9 @@ pub unsafe fn test_fileno_3() {
                 .create(true)
                 .truncate(true)
                 .open(
-                    std::ffi::CStr::from_ptr(
-                        (b"/tmp/cpp2rust_fileno_test.tmp\0".as_ptr().cast_mut()).cast_const()
-                            as *const i8,
-                    )
-                    .to_str()
-                    .expect("invalid c-string"),
+                    std::ffi::CStr::from_ptr(file as *const i8)
+                        .to_str()
+                        .expect("invalid c-string"),
                 )
                 .ok()
                 .map_or(std::ptr::null_mut(), |f| Box::into_raw(Box::new(f))),

tests/unit/stdio.c

@@ -29,10 +29,13 @@ static void test_fileno(void) {
   assert(fileno(stdin) == 0);
   assert(fileno(stdout) == 1);
   assert(fileno(stderr) == 2);
-  FILE *fp = fopen("/tmp/cpp2rust_fileno_test.tmp", "wb");
+  const char* file = "/tmp/cpp2rust_fileno_test.tmp";
+  FILE *fp = fopen(file, "wb");
   assert(fp != NULL);
   assert(fileno(fp) > 2);
   fclose(fp);
+  // TODO: uncomment when unlink is available 
+  // assert(unlink(file) == 0);
 }
 
 int main(void) {