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