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Diffstat (limited to 'tests/ui-nightly/union.rs')
-rw-r--r-- | tests/ui-nightly/union.rs | 69 |
1 files changed, 69 insertions, 0 deletions
diff --git a/tests/ui-nightly/union.rs b/tests/ui-nightly/union.rs new file mode 100644 index 0000000..e7761e0 --- /dev/null +++ b/tests/ui-nightly/union.rs @@ -0,0 +1,69 @@ +// Copyright 2019 The Fuchsia Authors. All rights reserved. +// Use of this source code is governed by a BSD-style license that can be +// found in the LICENSE file. + +#[macro_use] +extern crate zerocopy; + +#[path = "../util.rs"] +mod util; + +use self::util::AU16; +use std::mem::ManuallyDrop; + +fn main() {} + +// +// AsBytes errors +// + +#[derive(AsBytes)] +#[repr(C)] +union AsBytes1<T> { + foo: ManuallyDrop<T>, +} + +#[derive(AsBytes)] +#[repr(C)] +union AsBytes2 { + foo: u8, + bar: [u8; 2], +} + +// +// Unaligned errors +// + +#[derive(Unaligned)] +#[repr(C, align(2))] +union Unaligned1 { + foo: i16, + bar: AU16, +} + +// Transparent unions are unstable; see issue #60405 +// <https://github.com/rust-lang/rust/issues/60405> for more information. + +// #[derive(Unaligned)] +// #[repr(transparent, align(2))] +// union Unaligned2 { +// foo: u8, +// } + +#[derive(Unaligned)] +#[repr(packed, align(2))] +union Unaligned3 { + foo: u8, +} + +#[derive(Unaligned)] +#[repr(align(1), align(2))] +struct Unaligned4 { + foo: u8, +} + +#[derive(Unaligned)] +#[repr(align(2), align(4))] +struct Unaligned5 { + foo: u8, +} |