40 lines
1.1 KiB
Rust
40 lines
1.1 KiB
Rust
|
// Copyright 2018 The Rust Project Developers. See the COPYRIGHT
|
||
|
|
// file at the top-level directory of this distribution and at
|
||
|
|
// http://rust-lang.org/COPYRIGHT.
|
||
|
|
//
|
||
|
|
// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
|
||
|
|
// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
|
||
|
|
// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
|
||
|
|
// option. This file may not be copied, modified, or distributed
|
||
|
|
// except according to those terms.
|
||
|
|
|
||
|
|
// ignore-wasm32
|
||
|
|
|
||
|
|
#![feature(decl_macro, macros_in_extern)]
|
||
|
|
|
||
|
|
macro_rules! returns_isize(
|
||
|
|
($ident:ident) => (
|
||
|
|
fn $ident() -> isize;
|
||
|
|
)
|
||
|
|
);
|
||
|
|
|
||
|
|
macro takes_u32_returns_u32($ident:ident) {
|
||
|
|
fn $ident (arg: u32) -> u32;
|
||
|
|
}
|
||
|
|
|
||
|
|
macro_rules! emits_nothing(
|
||
|
|
() => ()
|
||
|
|
);
|
||
|
|
|
||
|
|
fn main() {
|
||
|
|
assert_eq!(unsafe { rust_get_test_int() }, 1isize);
|
||
|
|
assert_eq!(unsafe { rust_dbg_extern_identity_u32(0xDEADBEEF) }, 0xDEADBEEFu32);
|
||
|
|
}
|
||
|
|
|
||
|
|
#[link(name = "rust_test_helpers", kind = "static")]
|
||
|
|
extern {
|
||
|
|
returns_isize!(rust_get_test_int);
|
||
|
|
takes_u32_returns_u32!(rust_dbg_extern_identity_u32);
|
||
|
|
emits_nothing!();
|
||
|
|
}
|