diff options
Diffstat (limited to 'src/test/ui/run-pass/packed/packed-struct-borrow-element.rs')
| -rw-r--r-- | src/test/ui/run-pass/packed/packed-struct-borrow-element.rs | 45 |
1 files changed, 45 insertions, 0 deletions
diff --git a/src/test/ui/run-pass/packed/packed-struct-borrow-element.rs b/src/test/ui/run-pass/packed/packed-struct-borrow-element.rs new file mode 100644 index 00000000000..c8a8643ed6b --- /dev/null +++ b/src/test/ui/run-pass/packed/packed-struct-borrow-element.rs @@ -0,0 +1,45 @@ +// Copyright 2013 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-emscripten weird assertion? + +#![feature(repr_packed)] + +#[repr(packed)] +struct Foo1 { + bar: u8, + baz: usize +} + +#[repr(packed(2))] +struct Foo2 { + bar: u8, + baz: usize +} + +#[repr(C, packed(4))] +struct Foo4C { + bar: u8, + baz: usize +} + +pub fn main() { + let foo = Foo1 { bar: 1, baz: 2 }; + let brw = unsafe { &foo.baz }; + assert_eq!(*brw, 2); + + let foo = Foo2 { bar: 1, baz: 2 }; + let brw = unsafe { &foo.baz }; + assert_eq!(*brw, 2); + + let foo = Foo4C { bar: 1, baz: 2 }; + let brw = unsafe { &foo.baz }; + assert_eq!(*brw, 2); +} |
