rust/src/test/run-pass/intrinsic-alignment.rs

// Copyright 2012 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.

// xfail-fast Does not work with main in a submodule

mod rusti {
    #[abi = "rust-intrinsic"]
    pub extern {
        pub fn pref_align_of<T>() -> uint;
        pub fn min_align_of<T>() -> uint;
    }
}

#[cfg(target_os = "linux")]
#[cfg(target_os = "macos")]
#[cfg(target_os = "freebsd")]
mod m {
    #[cfg(target_arch = "x86")]
    pub fn main() {
        unsafe {
            assert!(::rusti::pref_align_of::<u64>() == 8u);
            assert!(::rusti::min_align_of::<u64>() == 4u);
        }
    }

    #[cfg(target_arch = "x86_64")]
    pub fn main() {
        unsafe {
            assert!(::rusti::pref_align_of::<u64>() == 8u);
            assert!(::rusti::min_align_of::<u64>() == 8u);
        }
    }
}

#[cfg(target_os = "win32")]
mod m {
    #[cfg(target_arch = "x86")]
    pub fn main() {
        unsafe {
            assert!(::rusti::pref_align_of::<u64>() == 8u);
            assert!(::rusti::min_align_of::<u64>() == 8u);
        }
    }
}