rust/src/test/run-pass/extern-pass-empty.rs
2016-09-30 14:02:44 -07:00

60 lines
1.3 KiB
Rust

// Copyright 2014 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.
// Test a foreign function that accepts empty struct.
// pretty-expanded FIXME #23616
// ignore-msvc
// ignore-emscripten
struct TwoU8s {
one: u8,
two: u8,
}
struct ManyInts {
arg1: i8,
arg2: i16,
arg3: i32,
arg4: i16,
arg5: i8,
arg6: TwoU8s,
}
struct Empty;
#[link(name = "rust_test_helpers")]
extern {
fn rust_dbg_extern_empty_struct(v1: ManyInts, e: Empty, v2: ManyInts);
}
pub fn main() {
unsafe {
let x = ManyInts {
arg1: 2,
arg2: 3,
arg3: 4,
arg4: 5,
arg5: 6,
arg6: TwoU8s { one: 7, two: 8, }
};
let y = ManyInts {
arg1: 1,
arg2: 2,
arg3: 3,
arg4: 4,
arg5: 5,
arg6: TwoU8s { one: 6, two: 7, }
};
let empty = Empty;
rust_dbg_extern_empty_struct(x, empty, y);
}
}