diff --git a/tests/expectations/tests/with_array_pointers_arguments.rs b/tests/expectations/tests/with_array_pointers_arguments.rs
index eb3300e2dc..3808e18be4 100644
--- a/tests/expectations/tests/with_array_pointers_arguments.rs
+++ b/tests/expectations/tests/with_array_pointers_arguments.rs
@@ -8,14 +8,13 @@
 )]
 
 extern "C" {
-    pub fn test_fn(
-        a: f32,
-        arr: *mut [::std::os::raw::c_int; 20usize],
-    ) -> ::std::os::raw::c_int;
+    pub fn test_fn(a: f32, arr: *mut [::std::os::raw::c_int; 20usize]) -> ::std::os::raw::c_int;
 }
 extern "C" {
-    pub fn test_fn2(
-        arr: *const [f32; 20usize],
-        b: ::std::os::raw::c_int,
-    ) -> ::std::os::raw::c_int;
-}
\ No newline at end of file
+    pub fn test_fn2(arr: *const [f32; 20usize], b: ::std::os::raw::c_int) -> ::std::os::raw::c_int;
+}
+pub type defArr = [::std::os::raw::c_char; 20usize];
+pub type foo = ::std::option::Option<unsafe extern "C" fn(a: *mut defArr)>;
+extern "C" {
+    pub fn bar(a: *mut defArr);
+}
diff --git a/tests/expectations/tests/without_array_pointers_arguments.rs b/tests/expectations/tests/without_array_pointers_arguments.rs
index a8d9990a41..b616893707 100644
--- a/tests/expectations/tests/without_array_pointers_arguments.rs
+++ b/tests/expectations/tests/without_array_pointers_arguments.rs
@@ -8,14 +8,13 @@
 )]
 
 extern "C" {
-    pub fn test_fn(
-        a: f32,
-        arr: *mut ::std::os::raw::c_int,
-    ) -> ::std::os::raw::c_int;
+    pub fn test_fn(a: f32, arr: *mut ::std::os::raw::c_int) -> ::std::os::raw::c_int;
 }
 extern "C" {
-    pub fn test_fn2(
-        arr: *const f32,
-        b: ::std::os::raw::c_int,
-    ) -> ::std::os::raw::c_int;
-}
\ No newline at end of file
+    pub fn test_fn2(arr: *const f32, b: ::std::os::raw::c_int) -> ::std::os::raw::c_int;
+}
+pub type defArr = [::std::os::raw::c_char; 20usize];
+pub type foo = ::std::option::Option<unsafe extern "C" fn(a: *mut ::std::os::raw::c_char)>;
+extern "C" {
+    pub fn bar(a: *mut ::std::os::raw::c_char);
+}
diff --git a/tests/headers/with_array_pointers_arguments.h b/tests/headers/with_array_pointers_arguments.h
index 34f669d054..565b3cf678 100644
--- a/tests/headers/with_array_pointers_arguments.h
+++ b/tests/headers/with_array_pointers_arguments.h
@@ -2,4 +2,9 @@
 
 int test_fn(float a, int arr[20]);
 
-int test_fn2(const float arr[20], int b);
\ No newline at end of file
+int test_fn2(const float arr[20], int b);
+
+typedef char defArr[20];
+typedef void foo(defArr a);
+
+void bar(defArr a);
\ No newline at end of file
diff --git a/tests/headers/without_array_pointers_arguments.h b/tests/headers/without_array_pointers_arguments.h
index 9028c43d5d..2f0668749b 100644
--- a/tests/headers/without_array_pointers_arguments.h
+++ b/tests/headers/without_array_pointers_arguments.h
@@ -1,4 +1,9 @@
 
 int test_fn(float a, int arr[20]);
 
-int test_fn2(const float arr[20], int b);
\ No newline at end of file
+int test_fn2(const float arr[20], int b);
+
+typedef char defArr[20];
+typedef void foo(defArr a);
+
+void bar(defArr a);
\ No newline at end of file