From 51ef92352afb543d4e66a7f95cb3a64f7b767ab7 Mon Sep 17 00:00:00 2001
From: Michael Woerister <michaelwoerister@posteo>
Date: Mon, 13 May 2019 12:35:03 +0200
Subject: [PATCH] Add test cases for x86 Windows calling conventions.

---
 tests/expectations/tests/mangling-win32.rs | 20 ++++++++++++++++++++
 tests/headers/mangling-win32.hpp           | 11 +++++++++++
 2 files changed, 31 insertions(+)

diff --git a/tests/expectations/tests/mangling-win32.rs b/tests/expectations/tests/mangling-win32.rs
index 0d9c49faf7..ad4ac42a15 100644
--- a/tests/expectations/tests/mangling-win32.rs
+++ b/tests/expectations/tests/mangling-win32.rs
@@ -29,3 +29,23 @@ fn bindgen_test_layout_Foo() {
         concat!("Alignment of ", stringify!(Foo))
     );
 }
+extern "fastcall" {
+    pub fn fast_call_func_no_args() -> ::std::os::raw::c_int;
+}
+extern "fastcall" {
+    pub fn fast_call_func_many_args(
+        arg1: ::std::os::raw::c_int,
+        arg2: ::std::os::raw::c_int,
+        arg3: ::std::os::raw::c_int,
+    ) -> ::std::os::raw::c_int;
+}
+extern "stdcall" {
+    pub fn std_call_func_no_args() -> ::std::os::raw::c_int;
+}
+extern "stdcall" {
+    pub fn std_call_func_many_args(
+        arg1: ::std::os::raw::c_int,
+        arg2: ::std::os::raw::c_int,
+        arg3: ::std::os::raw::c_int,
+    ) -> ::std::os::raw::c_int;
+}
diff --git a/tests/headers/mangling-win32.hpp b/tests/headers/mangling-win32.hpp
index 50beea5aec..386df4aba3 100644
--- a/tests/headers/mangling-win32.hpp
+++ b/tests/headers/mangling-win32.hpp
@@ -5,3 +5,14 @@ extern "C" void foo();
 struct Foo {
   static bool sBar;
 };
+
+// Also test some x86 Windows specific calling conventions that have their own
+// special mangling
+extern "C" {
+    int _fastcall fast_call_func_no_args();
+    // This will result in a suffix with more than one character (i.e. `@12`)
+    int _fastcall fast_call_func_many_args(int,int,int);
+    int _stdcall std_call_func_no_args();
+    // This will result in a suffix with more than one character (i.e. `@12`)
+    int _stdcall std_call_func_many_args(int,int,int);
+}