rust/src/test/run-pass/struct-return.rs
2015-01-25 11:20:38 -05:00

71 lines
2.0 KiB
Rust

// Copyright 2012-2015 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-lexer-test FIXME #15883
#[derive(Copy)]
pub struct Quad { a: u64, b: u64, c: u64, d: u64 }
#[derive(Copy)]
pub struct Floats { a: f64, b: u8, c: f64 }
mod rustrt {
use super::{Floats, Quad};
#[link(name = "rust_test_helpers")]
extern {
pub fn rust_dbg_abi_1(q: Quad) -> Quad;
pub fn rust_dbg_abi_2(f: Floats) -> Floats;
}
}
fn test1() {
unsafe {
let q = Quad { a: 0xaaaa_aaaa_aaaa_aaaa_u64,
b: 0xbbbb_bbbb_bbbb_bbbb_u64,
c: 0xcccc_cccc_cccc_cccc_u64,
d: 0xdddd_dddd_dddd_dddd_u64 };
let qq = rustrt::rust_dbg_abi_1(q);
println!("a: {:x}", qq.a as uint);
println!("b: {:x}", qq.b as uint);
println!("c: {:x}", qq.c as uint);
println!("d: {:x}", qq.d as uint);
assert_eq!(qq.a, q.c + 1u64);
assert_eq!(qq.b, q.d - 1u64);
assert_eq!(qq.c, q.a + 1u64);
assert_eq!(qq.d, q.b - 1u64);
}
}
#[cfg(any(target_arch = "x86_64", target_arch = "aarch64"))]
fn test2() {
unsafe {
let f = Floats { a: 1.234567890e-15_f64,
b: 0b_1010_1010_u8,
c: 1.0987654321e-15_f64 };
let ff = rustrt::rust_dbg_abi_2(f);
println!("a: {}", ff.a as f64);
println!("b: {}", ff.b as uint);
println!("c: {}", ff.c as f64);
assert_eq!(ff.a, f.c + 1.0f64);
assert_eq!(ff.b, 0xff_u8);
assert_eq!(ff.c, f.a - 1.0f64);
}
}
#[cfg(any(target_arch = "x86", target_arch = "arm"))]
fn test2() {
}
pub fn main() {
test1();
test2();
}