| // Copyright 2016 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-bare no libc to test ffi with |
| |
| #[link(name = "rust_test_helpers", kind = "static")] |
| extern { |
| fn rust_int8_to_int32(_: i8) -> i32; |
| } |
| |
| fn main() { |
| let x = unsafe { |
| rust_int8_to_int32(-1) |
| }; |
| |
| assert!(x == -1); |
| } |
